From a7ba598a54a8883c83cb9ef2b04d653eecd92e28 Mon Sep 17 00:00:00 2001
From: j-james
Date: Sun, 11 Dec 2022 18:15:44 -0800
Subject: Reorganize 2019 solutions

---
 2019/eight.go        |   87 ----
 2019/eight.nim       |   30 --
 2019/five.go         |  131 ------
 2019/five.nim        |   63 ---
 2019/four.go         |   68 ----
 2019/four.nim        |   37 --
 2019/go/day01.go     |   40 ++
 2019/go/day02.go     |   66 +++
 2019/go/day03.go     |  156 +++++++
 2019/go/day04.go     |   68 ++++
 2019/go/day05.go     |  131 ++++++
 2019/go/day06.go     |   25 ++
 2019/go/day07.go     |  141 +++++++
 2019/go/day08.go     |   87 ++++
 2019/go/day09.go     |  166 ++++++++
 2019/go/day10.go     |   47 +++
 2019/input/eight.txt |    1 -
 2019/input/five.txt  |    1 -
 2019/input/four.txt  |    1 -
 2019/input/nine.txt  |    1 -
 2019/input/one.txt   |  100 -----
 2019/input/seven.txt |    1 -
 2019/input/six.txt   | 1107 --------------------------------------------------
 2019/input/ten.txt   |   20 -
 2019/input/three.txt |    2 -
 2019/input/two.txt   |    1 -
 2019/nim/day01.nim   |   16 +
 2019/nim/day02.nim   |   37 ++
 2019/nim/day04.nim   |   37 ++
 2019/nim/day05.nim   |   63 +++
 2019/nim/day08.nim   |   30 ++
 2019/nine.go         |  166 --------
 2019/one.go          |   40 --
 2019/one.nim         |   16 -
 2019/seven.go        |  141 -------
 2019/six.go          |   25 --
 2019/ten.go          |   47 ---
 2019/three.go        |  156 -------
 2019/two.go          |   66 ---
 2019/two.nim         |   37 --
 40 files changed, 1110 insertions(+), 2345 deletions(-)
 delete mode 100644 2019/eight.go
 delete mode 100644 2019/eight.nim
 delete mode 100644 2019/five.go
 delete mode 100644 2019/five.nim
 delete mode 100644 2019/four.go
 delete mode 100644 2019/four.nim
 create mode 100644 2019/go/day01.go
 create mode 100644 2019/go/day02.go
 create mode 100644 2019/go/day03.go
 create mode 100644 2019/go/day04.go
 create mode 100644 2019/go/day05.go
 create mode 100644 2019/go/day06.go
 create mode 100644 2019/go/day07.go
 create mode 100644 2019/go/day08.go
 create mode 100644 2019/go/day09.go
 create mode 100644 2019/go/day10.go
 delete mode 100644 2019/input/eight.txt
 delete mode 100644 2019/input/five.txt
 delete mode 100644 2019/input/four.txt
 delete mode 100644 2019/input/nine.txt
 delete mode 100644 2019/input/one.txt
 delete mode 100644 2019/input/seven.txt
 delete mode 100644 2019/input/six.txt
 delete mode 100644 2019/input/ten.txt
 delete mode 100644 2019/input/three.txt
 delete mode 100644 2019/input/two.txt
 create mode 100644 2019/nim/day01.nim
 create mode 100644 2019/nim/day02.nim
 create mode 100644 2019/nim/day04.nim
 create mode 100644 2019/nim/day05.nim
 create mode 100644 2019/nim/day08.nim
 delete mode 100644 2019/nine.go
 delete mode 100644 2019/one.go
 delete mode 100644 2019/one.nim
 delete mode 100644 2019/seven.go
 delete mode 100644 2019/six.go
 delete mode 100644 2019/ten.go
 delete mode 100644 2019/three.go
 delete mode 100644 2019/two.go
 delete mode 100644 2019/two.nim

(limited to '2019')

diff --git a/2019/eight.go b/2019/eight.go
deleted file mode 100644
index 74be0e1..0000000
--- a/2019/eight.go
+++ /dev/null
@@ -1,87 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"strconv"
-)
-
-func main() {
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	image := sliceify(file, 25, 6, len(file)/(25*6))
-
-	checksum(image)
-	decode(image)
-}
-
-func sliceify(file []byte, width int, height int, depth int) [][][]int {
-	var image [][][]int
-	pointer := 0
-
-	for i := 0; i < depth; i++ {
-		var b [][]int
-		for j := 0; j < height; j++ {
-			var a []int
-			for k := 0; k < width; k++ {
-				element, err := strconv.Atoi(string(file[pointer]))
-				if err != nil {
-					panic(err)
-				}
-				a = append(a, element)
-				pointer++
-			}
-			b = append(b, a)
-		}
-		image = append(image, b)
-	}
-	return image
-}
-
-func count(layer [][]int, val int) int {
-	total := 0
-	for i := 0; i < len(layer); i++ {
-		for j := 0; j < len(layer[i]); j++ {
-			if layer[i][j] == val {
-				total++
-			}
-		}
-	}
-	return total
-}
-
-func checksum(image [][][]int) {
-	min := count(image[0], 0)
-	layer := -1
-	for i := 0; i < len(image); i++ {
-		total := count(image[i], 0)
-		if total < min {
-			min = total
-			layer = i
-		}
-	}
-	fmt.Println(count(image[layer], 1) * count(image[layer], 2))
-}
-
-func decode(image [][][]int) {
-	for i := 0; i < len(image[0]); i++ {
-		for j := 0; j < len(image[0][0]); j++ {
-			for k := 0; k < len(image); k++ {
-				if image[k][i][j] == 0 {
-					fmt.Print(" ")
-					break
-				} else if image[k][i][j] == 1 {
-					fmt.Print("X")
-					break
-				}
-			}
-		}
-		fmt.Println()
-	}
-}
diff --git a/2019/eight.nim b/2019/eight.nim
deleted file mode 100644
index ecf291e..0000000
--- a/2019/eight.nim
+++ /dev/null
@@ -1,30 +0,0 @@
-# Day Eight: Space Image Format
-import os, strutils, sequtils
-
-let
-  input: string = paramStr(1)
-  digits: string = strip(readFile(input))
-  width: int = 25
-  height: int = 6
-  depth: int = len(digits) div (width * height)
-
-var min, product: int = width * height
-for layer in distribute(@digits, depth):
-  if count(layer, '0') < min:
-    min = count(layer, '0')
-    product = count(layer, '1') * count(layer, '2')
-echo product
-
-for column in 0 ..< height:
-  for row in 0 ..< width:
-    for layer in 0 ..< depth:
-      case digits[(layer * height * width) + (column * width) + row]
-      of '0':
-        write(stdout, ' ')
-        break
-      of '1':
-        write(stdout, 'X')
-        break
-      else:
-        discard
-  write(stdout, '\n')
diff --git a/2019/five.go b/2019/five.go
deleted file mode 100644
index 9ea4699..0000000
--- a/2019/five.go
+++ /dev/null
@@ -1,131 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"strconv"
-)
-
-func main() {
-	var memory []int
-	start, size := 0, 0
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < len(file); i++ {
-		if file[i] == ',' || file[i] == '\n' {
-			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
-			if err != nil {
-				panic(err)
-			}
-			memory = append(memory, arg)
-			start = i + 1
-			size++
-		}
-	}
-
-	// fmt.Println(execute(memory, size))
-	// noun, verb := etucexe(memory, size, 19690720)
-	// fmt.Println(100*noun + verb)
-	execute(memory, size)
-}
-
-func split(memory []int, i, size int) (int, int, int) {
-	mode := memory[i] / 100
-	three, two, one := i+3, i+2, i+1
-	if size-i > 1 {
-		if mode%10 == 0 {
-			one = memory[i+1]
-		}
-		if size-i > 2 {
-			if mode/10%10 == 0 {
-				two = memory[i+2]
-			}
-			if size-i > 3 {
-				if mode/100 == 0 {
-					three = memory[i+3]
-				}
-			}
-		}
-	}
-	return three, two, one
-}
-
-func execute(memory []int, size int) []int {
-	for i := 0; i < len(memory); {
-		opcode := memory[i] % 100
-		three, two, one := split(memory, i, size)
-		switch opcode {
-		case 1: // adds
-			memory[three] = memory[one] + memory[two]
-			i += 4
-		case 2: // multiplies
-			memory[three] = memory[one] * memory[two]
-			i += 4
-		case 3: // input
-			var input int
-			fmt.Print("Input: ")
-			resp, err := fmt.Scanf("%d", &input)
-			if err != nil {
-				fmt.Println(resp, err)
-				os.Exit(0)
-			}
-			memory[one] = input // not affected by modes
-			i += 2
-		case 4: // output
-			fmt.Println(memory[one])
-			i += 2
-		case 5: // jump-if-true
-			if memory[one] != 0 {
-				i = memory[two] // ???
-			} else {
-				i += 3
-			}
-		case 6: // jump-if-false
-			if memory[one] == 0 {
-				i = memory[two] // ???
-			} else {
-				i += 3
-			}
-		case 7: // less than
-			if memory[one] < memory[two] {
-				memory[memory[i+3]] = 1
-			} else {
-				memory[memory[i+3]] = 0
-			}
-			i += 4
-		case 8: // equals
-			if memory[one] == memory[two] {
-				memory[memory[i+3]] = 1
-			} else {
-				memory[memory[i+3]] = 0
-			}
-			i += 4
-		case 99: // terminate
-			return memory
-		default:
-			fmt.Println("Unsupported code", opcode, "at", i)
-			os.Exit(0)
-		}
-	}
-	return memory
-}
-
-func etucexe(memory []int, size, output int) (int, int) {
-	var volatile []int
-	for i := 0; i < len(memory); i++ {
-		for j := 0; j < len(memory); j++ {
-			volatile = append([]int(nil), memory...) // reset volatile to memory
-			volatile[1], volatile[2] = i, j
-			if execute(volatile, size)[0] == output {
-				return i, j
-			}
-		}
-	}
-	return -1, -1
-}
diff --git a/2019/five.nim b/2019/five.nim
deleted file mode 100644
index 87c359e..0000000
--- a/2019/five.nim
+++ /dev/null
@@ -1,63 +0,0 @@
-# Day Five: Sunny with a Chance of Asteroids
-import os, strutils, sequtils
-
-let input: string = paramStr(1)
-var program: seq[int] = map(split(strip(readFile(input)), ','), parseInt)
-
-var i: int = 0
-while i < len(program):
-  let opcode: int = program[i] mod 100
-
-  var
-    mode:  int = program[i] div 100
-    one:   int = i+1
-    two:   int = i+2
-    three: int = i+3
-  if len(program)-i > 1 and mode mod 10 == 0:
-    one = program[one]
-  if len(program)-i > 2 and mode div 10 mod 10 == 0:
-    two = program[two]
-  if len(program)-i > 3 and mode div 100 == 0:
-    three = program[three]
-
-  case opcode
-  of 1:   # adds
-    program[three] = program[one] + program[two]
-    i += 4
-  of 2:   # multiplies
-    program[three] = program[one] * program[two]
-    i += 4
-  of 3:   # input
-    write(stdout, "Input: ")
-    program[one] = parseInt(readLine(stdin))
-    i += 2
-  of 4:   # output
-    echo program[one]
-    i += 2
-  of 5:   # jump-if-true
-    if program[one] != 0:
-      i = program[two]
-    else:
-      i += 3
-  of 6:   # jump-if-false
-    if program[one] == 0:
-      i = program[two]
-    else:
-      i += 3
-  of 7:   # less than
-    if program[one] < program[two]:
-      program[three] = 1
-    else:
-      program[three] = 0
-    i += 4
-  of 8:   # equals
-    if program[one] == program[two]:
-      program[three] = 1
-    else:
-      program[three] = 0
-    i += 4
-  of 99:  # terminate
-    break
-  else:
-    echo("Unsupported code ", program[i], " at ", i)
-    quit(QuitFailure)
diff --git a/2019/four.go b/2019/four.go
deleted file mode 100644
index 7c901dc..0000000
--- a/2019/four.go
+++ /dev/null
@@ -1,68 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"math"
-	"os"
-	"strconv"
-)
-
-func main() {
-	smallest, largest, total, details := -1, -1, 0, 0
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < len(file); i++ {
-		if string(file[i]) == "-" {
-			smallest, err = strconv.Atoi(string(file[0:i]))
-			if err != nil {
-				panic(err)
-			}
-			largest, err = strconv.Atoi(string(file[i+1 : len(file)-1]))
-			if err != nil {
-				panic(err)
-			}
-			break
-		}
-	}
-
-	for i := smallest; i <= largest; i++ {
-		if criteria(i, false) {
-			total++
-		}
-		if criteria(i, true) {
-			details++
-		}
-	}
-	fmt.Println(total)
-	fmt.Println(details)
-}
-
-func criteria(password int, stage bool) bool {
-	prev := 0
-	for i := 0; i < 6; i++ {
-		if password/int(math.Pow(10, float64(5-i)))%10 < prev {
-			return false
-		}
-		prev = password / int(math.Pow(10, float64(5-i))) % 10
-	}
-	pascii := strconv.Itoa(password)
-	for i := 0; i < len(pascii)-1; i++ {
-		if string(pascii[i]) == string(pascii[i+1]) {
-			if !(len(pascii)-i > 2 && string(pascii[i]) == string(pascii[i+2])) {
-				if !stage { // Gross hack
-					return true
-				}
-				if !(i > 0 && string(pascii[i]) == string(pascii[i-1])) {
-					return true
-				}
-			}
-		}
-	}
-	return false
-}
diff --git a/2019/four.nim b/2019/four.nim
deleted file mode 100644
index eb6d933..0000000
--- a/2019/four.nim
+++ /dev/null
@@ -1,37 +0,0 @@
-# Day Four: Secure Container
-import os, strutils, sequtils
-
-let input: string = paramStr(1)
-let bounds: seq[int] = map(split(strip(readFile(input)), '-'), parseInt)
-var valid, details: int = 0
-
-proc criteria(password: int): bool =
-  var password: string = $password
-  for digit in 0 .. 4:
-    if password[digit] > password[digit+1]:
-      return false
-  for digit in 0 .. 4:
-    if password[digit] == password[digit+1]:
-      return true
-  return false
-
-proc extracriteria(password: int): bool =
-  var password: string = $password
-  for digit in 0 .. 4:
-    if password[digit] > password[digit+1]:
-      return false
-  for digit in 0 .. 4:
-    if password[digit] == password[digit+1]:
-      if digit == 0 or password[digit] != password[digit-1]:
-        if digit == 4 or password[digit] != password[digit+2]:
-          return true
-  return false
-
-for password in bounds[0] .. bounds[1]:
-  if criteria(password): inc(valid)
-
-for password in bounds[0] .. bounds[1]:
-  if extracriteria(password): inc(details)
-
-echo valid
-echo details
diff --git a/2019/go/day01.go b/2019/go/day01.go
new file mode 100644
index 0000000..cf27820
--- /dev/null
+++ b/2019/go/day01.go
@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strconv"
+)
+
+func main() {
+	start, sum, fuelsum := 0, 0, 0
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < len(file); i++ {
+		if file[i] == '\n' {
+			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
+			if err != nil {
+				panic(err)
+			}
+			start = i + 1
+			sum += (arg / 3) - 2
+			fuelsum += tyranny(arg)
+		}
+	}
+	fmt.Println(sum)
+	fmt.Println(fuelsum)
+}
+
+func tyranny(mass int) int {
+	subtotal := 0
+	for fuel := (mass / 3) - 2; fuel >= 0; fuel = (fuel / 3) - 2 {
+		subtotal += fuel
+	}
+	return subtotal
+}
diff --git a/2019/go/day02.go b/2019/go/day02.go
new file mode 100644
index 0000000..8108c87
--- /dev/null
+++ b/2019/go/day02.go
@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strconv"
+)
+
+func main() {
+	var slice []int
+	start, size := 0, 0
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < len(file); i++ {
+		if file[i] == ',' || file[i] == '\n' {
+			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
+			if err != nil {
+				panic(err)
+			}
+			slice = append(slice, arg)
+			start = i + 1
+			size++
+		}
+	}
+	noun, verb := edocpo(slice, 19690720)
+	slice[1] = 12
+	slice[2] = 2
+	fmt.Println(opcode(slice)[0])
+	fmt.Println(100*noun + verb)
+}
+
+func opcode(slice []int) []int {
+	for i := 0; i < len(slice); i += 4 {
+		if slice[i] == 1 {
+			slice[slice[i+3]] = slice[slice[i+1]] + slice[slice[i+2]]
+		} else if slice[i] == 2 {
+			slice[slice[i+3]] = slice[slice[i+1]] * slice[slice[i+2]]
+		} else if slice[i] == 99 {
+			return slice
+		} else {
+			fmt.Println("Unsupported code", slice[i], "at", i)
+			os.Exit(0)
+		}
+	}
+	return slice
+}
+
+func edocpo(slice []int, output int) (int, int) {
+	var ecils []int
+	for i := 0; i < len(slice); i++ {
+		for j := 0; j < len(slice); j++ {
+			ecils = append([]int(nil), slice...) // reset ecils to slice
+			ecils[1], ecils[2] = i, j
+			if opcode(ecils)[0] == output {
+				return i, j
+			}
+		}
+	}
+	return -1, -1
+}
diff --git a/2019/go/day03.go b/2019/go/day03.go
new file mode 100644
index 0000000..2c79a18
--- /dev/null
+++ b/2019/go/day03.go
@@ -0,0 +1,156 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+)
+
+func main() {
+	var directions [][]string
+	var temp []string
+	start := 0
+
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < len(file); i++ {
+		if string(file[i]) == "," || file[i] == '\n' {
+			temp = append(temp, string(file[start:i]))
+			start = i + 1
+			if file[i] == '\n' {
+				directions[] = append(directions[], temp)
+				temp = nil
+			}
+		}
+	}
+	fmt.Println(directions)
+
+	// grid [][]int := boolgrid(directions)
+
+}
+
+// 	ax, ay, at := taxi(directions[0])
+// 	bx, by, bt := taxi(directions[1])
+// 	for i := 0; i < at; i++ {
+// 		for j := 0; j < at; j++ {
+// 			for k := 0; k <
+// 			ax[i][j]
+// 		}
+// 	}
+// 	abx, aby
+
+// 	grid = taxi(directions, taxi(directions2, grid))
+// 	min, x, y := 4000, 0, 0
+// 	for i := 0; i < len(grid); i++ {
+// 		for j := 0; j < len(grid); j++ {
+// 			x, y = int(math.Abs(float64(i-500))), int(math.Abs(float64(j-500)))
+// 			if grid[i][j] == 2 && x+y < min {
+// 				fmt.Println(i-500, j-500)
+// 				min = x + y
+// 			}
+
+// 		}
+// 	}
+// 	fmt.Println("Manhattan distance to intersection:", min)
+// }
+
+// func taxi(directions []string) ([]int, []int, int) {
+// 	var horislice, vertslice []int
+// 	total := 0
+// 	for i := 0; i < len(directions); i++ {
+// 		direction := directions[i][0]
+// 		displacement, err := strconv.Atoi(directions[i][1:])
+// 		if err != nil {
+// 			panic(err)
+// 		}
+// 		switch direction {
+// 		case 'L':
+// 			for j := 0; j < displacement; j++ {
+// 				horislice = append(horislice, horislice[total]-j)
+// 				vertslice = append(vertslice, vertslice[total])
+// 				total++
+// 			}
+// 		case 'R':
+// 			for j := 0; j < displacement; j++ {
+// 				horislice = append(horislice, horislice[total]+j)
+// 				vertslice = append(vertslice, vertslice[total])
+// 				total++
+// 			}
+// 		case 'U':
+// 			for j := 0; j < displacement; j++ {
+// 				vertslice = append(vertslice, vertslice[total]+j)
+// 				horislice = append(horislice, horislice[total])
+// 				total++
+// 			}
+// 		case 'D':
+// 			for j := 0; j < displacement; j++ {
+// 				vertslice = append(vertslice, vertslice[total]-j)
+// 				horislice = append(horislice, horislice[total])
+// 				total++
+// 			}
+// 		default:
+// 			fmt.Println("Unhandled direction", string(direction))
+// 			os.Exit(0)
+// 		}
+// 	}
+// 	return horislice, vertslice, total
+// }
+
+// func taxi(directions []string, grid [4000][4000]int) [4000][4000]int { // sign convention: an array, left to right, top to bottom, beginning in the top left corner
+// 	x, y := len(grid)/2, len(grid[0])/2 // start in center
+// 	var boolgrid [4000][4000]bool
+// 	for i := 0; i < len(directions); i++ {
+// 		direction := directions[i][0]
+// 		displacement, err := strconv.Atoi(directions[i][1:])
+// 		if err != nil {
+// 			panic(err)
+// 		}
+// 		switch direction {
+// 		case 'L':
+// 			for j := 0; j < displacement; j++ {
+// 				x--
+// 				if !boolgrid[x][y] {
+// 					boolgrid[x][y] = true
+// 				}
+// 			}
+// 		case 'R':
+// 			for j := 0; j < displacement; j++ {
+// 				x++
+// 				if !boolgrid[x][y] {
+// 					boolgrid[x][y] = true
+// 				}
+// 			}
+// 		case 'U':
+// 			for j := 0; j < displacement; j++ {
+// 				y--
+// 				if !boolgrid[x][y] {
+// 					boolgrid[x][y] = true
+// 				}
+// 			}
+// 		case 'D':
+// 			for j := 0; j < displacement; j++ {
+// 				y++
+// 				if !boolgrid[x][y] {
+// 					boolgrid[x][y] = true
+// 				}
+// 			}
+// 		default:
+// 			fmt.Println("Unhandled direction", string(direction))
+// 			os.Exit(0)
+// 		}
+// 		fmt.Println(string(direction), displacement, x, y)
+// 	}
+// 	for i := 0; i < len(grid); i++ {
+// 		for j := 0; j < len(grid[0]); j++ {
+// 			if boolgrid[i][j] {
+// 				grid[i][j]++
+// 			}
+// 		}
+// 	}
+// 	return grid // each element is equal to the numbers of wires on it
+// }
diff --git a/2019/go/day04.go b/2019/go/day04.go
new file mode 100644
index 0000000..7c901dc
--- /dev/null
+++ b/2019/go/day04.go
@@ -0,0 +1,68 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"math"
+	"os"
+	"strconv"
+)
+
+func main() {
+	smallest, largest, total, details := -1, -1, 0, 0
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < len(file); i++ {
+		if string(file[i]) == "-" {
+			smallest, err = strconv.Atoi(string(file[0:i]))
+			if err != nil {
+				panic(err)
+			}
+			largest, err = strconv.Atoi(string(file[i+1 : len(file)-1]))
+			if err != nil {
+				panic(err)
+			}
+			break
+		}
+	}
+
+	for i := smallest; i <= largest; i++ {
+		if criteria(i, false) {
+			total++
+		}
+		if criteria(i, true) {
+			details++
+		}
+	}
+	fmt.Println(total)
+	fmt.Println(details)
+}
+
+func criteria(password int, stage bool) bool {
+	prev := 0
+	for i := 0; i < 6; i++ {
+		if password/int(math.Pow(10, float64(5-i)))%10 < prev {
+			return false
+		}
+		prev = password / int(math.Pow(10, float64(5-i))) % 10
+	}
+	pascii := strconv.Itoa(password)
+	for i := 0; i < len(pascii)-1; i++ {
+		if string(pascii[i]) == string(pascii[i+1]) {
+			if !(len(pascii)-i > 2 && string(pascii[i]) == string(pascii[i+2])) {
+				if !stage { // Gross hack
+					return true
+				}
+				if !(i > 0 && string(pascii[i]) == string(pascii[i-1])) {
+					return true
+				}
+			}
+		}
+	}
+	return false
+}
diff --git a/2019/go/day05.go b/2019/go/day05.go
new file mode 100644
index 0000000..9ea4699
--- /dev/null
+++ b/2019/go/day05.go
@@ -0,0 +1,131 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strconv"
+)
+
+func main() {
+	var memory []int
+	start, size := 0, 0
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < len(file); i++ {
+		if file[i] == ',' || file[i] == '\n' {
+			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
+			if err != nil {
+				panic(err)
+			}
+			memory = append(memory, arg)
+			start = i + 1
+			size++
+		}
+	}
+
+	// fmt.Println(execute(memory, size))
+	// noun, verb := etucexe(memory, size, 19690720)
+	// fmt.Println(100*noun + verb)
+	execute(memory, size)
+}
+
+func split(memory []int, i, size int) (int, int, int) {
+	mode := memory[i] / 100
+	three, two, one := i+3, i+2, i+1
+	if size-i > 1 {
+		if mode%10 == 0 {
+			one = memory[i+1]
+		}
+		if size-i > 2 {
+			if mode/10%10 == 0 {
+				two = memory[i+2]
+			}
+			if size-i > 3 {
+				if mode/100 == 0 {
+					three = memory[i+3]
+				}
+			}
+		}
+	}
+	return three, two, one
+}
+
+func execute(memory []int, size int) []int {
+	for i := 0; i < len(memory); {
+		opcode := memory[i] % 100
+		three, two, one := split(memory, i, size)
+		switch opcode {
+		case 1: // adds
+			memory[three] = memory[one] + memory[two]
+			i += 4
+		case 2: // multiplies
+			memory[three] = memory[one] * memory[two]
+			i += 4
+		case 3: // input
+			var input int
+			fmt.Print("Input: ")
+			resp, err := fmt.Scanf("%d", &input)
+			if err != nil {
+				fmt.Println(resp, err)
+				os.Exit(0)
+			}
+			memory[one] = input // not affected by modes
+			i += 2
+		case 4: // output
+			fmt.Println(memory[one])
+			i += 2
+		case 5: // jump-if-true
+			if memory[one] != 0 {
+				i = memory[two] // ???
+			} else {
+				i += 3
+			}
+		case 6: // jump-if-false
+			if memory[one] == 0 {
+				i = memory[two] // ???
+			} else {
+				i += 3
+			}
+		case 7: // less than
+			if memory[one] < memory[two] {
+				memory[memory[i+3]] = 1
+			} else {
+				memory[memory[i+3]] = 0
+			}
+			i += 4
+		case 8: // equals
+			if memory[one] == memory[two] {
+				memory[memory[i+3]] = 1
+			} else {
+				memory[memory[i+3]] = 0
+			}
+			i += 4
+		case 99: // terminate
+			return memory
+		default:
+			fmt.Println("Unsupported code", opcode, "at", i)
+			os.Exit(0)
+		}
+	}
+	return memory
+}
+
+func etucexe(memory []int, size, output int) (int, int) {
+	var volatile []int
+	for i := 0; i < len(memory); i++ {
+		for j := 0; j < len(memory); j++ {
+			volatile = append([]int(nil), memory...) // reset volatile to memory
+			volatile[1], volatile[2] = i, j
+			if execute(volatile, size)[0] == output {
+				return i, j
+			}
+		}
+	}
+	return -1, -1
+}
diff --git a/2019/go/day06.go b/2019/go/day06.go
new file mode 100644
index 0000000..646313d
--- /dev/null
+++ b/2019/go/day06.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+
+	for i := 0
+}
+
+func orbits(planet string) []string {
+
+	var chain []string
+
+	return chain
+}
diff --git a/2019/go/day07.go b/2019/go/day07.go
new file mode 100644
index 0000000..d71d827
--- /dev/null
+++ b/2019/go/day07.go
@@ -0,0 +1,141 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func main() {
+	var memory []int
+	size := 0
+	for i := 1; i < len(os.Args); i++ {
+		arg, err := strconv.Atoi(os.Args[i])
+		if err != nil {
+			panic(err)
+		}
+		memory = append(memory, arg)
+		size++
+	}
+	// fmt.Println(execute(memory, size))
+	// noun, verb := etucexe(memory, size, 19690720)
+	// fmt.Println(100*noun + verb)
+	// execute(memory, size)
+	fmt.Println(thrust(memory, size))
+}
+
+func thrust(memory []int, size int) int { // 120 total
+	max := 0
+	for a := 0; a < 5; a++ {
+		for b:=0; b < 4; b++ {
+			for c:=0;
+		}
+
+
+
+		a, b, c, d, e := i/10000, i/1000%10, i/100%100, i/10%1000, i%10000
+		a = execute(memory, size) // stdin fill this with a, 0
+		b = execute(memory, size) // stdin fill this with b, 0
+		c = execute(memory, size) // stdin fill this with c, 0
+		d = execute(memory, size) // stdin fill this with d, 0
+		e = execute(memory, size) // stdin fill this with e, 0
+		if (e > max) {
+			max = e
+		}
+	return max
+}
+
+func split(memory []int, i, size int) (int, int, int) {
+	mode := memory[i] / 100
+	three, two, one := i+3, i+2, i+1
+	if size-i > 1 {
+		if mode%10 == 0 {
+			one = memory[i+1]
+		}
+		if size-i > 2 {
+			if mode/10%10 == 0 {
+				two = memory[i+2]
+			}
+			if size-i > 3 {
+				if mode/100 == 0 {
+					three = memory[i+3]
+				}
+			}
+		}
+	}
+	return three, two, one
+}
+
+func execute(memory []int, size int) []int {
+	for i := 0; i < len(memory); {
+		opcode := memory[i] % 100
+		three, two, one := split(memory, i, size)
+		switch opcode {
+		case 1: // adds
+			memory[three] = memory[one] + memory[two]
+			i += 4
+		case 2: // multiplies
+			memory[three] = memory[one] * memory[two]
+			i += 4
+		case 3: // input
+			var input int
+			fmt.Print("Input: ")
+			resp, err := fmt.Scanf("%d", &input)
+			if err != nil {
+				fmt.Println(resp, err)
+				os.Exit(0)
+			}
+			memory[one] = input // not affected by modes
+			i += 2
+		case 4: // output
+			fmt.Println(memory[one])
+			i += 2
+		case 5: // jump-if-true
+			if memory[one] != 0 {
+				i = memory[two] // ???
+			} else {
+				i += 3
+			}
+		case 6: // jump-if-false
+			if memory[one] == 0 {
+				i = memory[two] // ???
+			} else {
+				i += 3
+			}
+		case 7: // less than
+			if memory[one] < memory[two] {
+				memory[memory[i+3]] = 1
+			} else {
+				memory[memory[i+3]] = 0
+			}
+			i += 4
+		case 8: // equals
+			if memory[one] == memory[two] {
+				memory[memory[i+3]] = 1
+			} else {
+				memory[memory[i+3]] = 0
+			}
+			i += 4
+		case 99: // terminate
+			return memory
+		default:
+			fmt.Println("Unsupported code", opcode, "at", i)
+			os.Exit(0)
+		}
+	}
+	return memory
+}
+
+func etucexe(memory []int, size, output int) (int, int) {
+	var volatile []int
+	for i := 0; i < len(memory); i++ {
+		for j := 0; j < len(memory); j++ {
+			volatile = append([]int(nil), memory...) // reset volatile to memory
+			volatile[1], volatile[2] = i, j
+			if execute(volatile, size)[0] == output {
+				return i, j
+			}
+		}
+	}
+	return -1, -1
+}
diff --git a/2019/go/day08.go b/2019/go/day08.go
new file mode 100644
index 0000000..74be0e1
--- /dev/null
+++ b/2019/go/day08.go
@@ -0,0 +1,87 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strconv"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	image := sliceify(file, 25, 6, len(file)/(25*6))
+
+	checksum(image)
+	decode(image)
+}
+
+func sliceify(file []byte, width int, height int, depth int) [][][]int {
+	var image [][][]int
+	pointer := 0
+
+	for i := 0; i < depth; i++ {
+		var b [][]int
+		for j := 0; j < height; j++ {
+			var a []int
+			for k := 0; k < width; k++ {
+				element, err := strconv.Atoi(string(file[pointer]))
+				if err != nil {
+					panic(err)
+				}
+				a = append(a, element)
+				pointer++
+			}
+			b = append(b, a)
+		}
+		image = append(image, b)
+	}
+	return image
+}
+
+func count(layer [][]int, val int) int {
+	total := 0
+	for i := 0; i < len(layer); i++ {
+		for j := 0; j < len(layer[i]); j++ {
+			if layer[i][j] == val {
+				total++
+			}
+		}
+	}
+	return total
+}
+
+func checksum(image [][][]int) {
+	min := count(image[0], 0)
+	layer := -1
+	for i := 0; i < len(image); i++ {
+		total := count(image[i], 0)
+		if total < min {
+			min = total
+			layer = i
+		}
+	}
+	fmt.Println(count(image[layer], 1) * count(image[layer], 2))
+}
+
+func decode(image [][][]int) {
+	for i := 0; i < len(image[0]); i++ {
+		for j := 0; j < len(image[0][0]); j++ {
+			for k := 0; k < len(image); k++ {
+				if image[k][i][j] == 0 {
+					fmt.Print(" ")
+					break
+				} else if image[k][i][j] == 1 {
+					fmt.Print("X")
+					break
+				}
+			}
+		}
+		fmt.Println()
+	}
+}
diff --git a/2019/go/day09.go b/2019/go/day09.go
new file mode 100644
index 0000000..432d780
--- /dev/null
+++ b/2019/go/day09.go
@@ -0,0 +1,166 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strconv"
+)
+
+func main() {
+	var memory []int
+	start, size := 0, 0
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < len(file); i++ {
+		if file[i] == ',' || file[i] == '\n' {
+			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
+			if err != nil {
+				panic(err)
+			}
+			memory = append(memory, arg)
+			start = i + 1
+			size++
+		}
+	}
+	// fmt.Println(execute(memory, size))
+	// noun, verb := etucexe(memory, size, 19690720)
+	// fmt.Println(100*noun + verb)
+	execute(memory, size)
+}
+
+func split(memory []int, i, size, relative int) (int, int, int) {
+	mode := memory[i] / 100
+	three, two, one := i+3, i+2, i+1
+	if size-i > 1 {
+		if mode%10 == 0 {
+			one = memory[i+1]
+		} else if mode%10 == 2 {
+			one = relative + memory[i+1]
+		}
+		if size-i > 2 {
+			if mode/10%10 == 0 {
+				two = memory[i+2]
+			} else if mode%10 == 2 {
+				two = relative + memory[i+2]
+			}
+			if size-i > 3 {
+				if mode/100 == 0 {
+					three = memory[i+3]
+				} else if mode%10 == 2 {
+					three = relative + memory[i+3]
+				}
+			}
+		}
+	}
+	return three, two, one
+}
+
+func execute(memory []int, size int) []int {
+	/* todo: said "memory" functionality could be [pos, value]int
+	* i.e. when memory outside initial bounds wants to be accessed,
+	* it writes to a new element of this slice
+	* to access elements of the array, iterate through while checking each position
+	* additionally, to ensure there aren't conflicting "positions" in the array,
+	* do the above iteration process, if not, appends (this requires a total int)
+	 */
+	/*
+		var swap [][2]int
+	*/
+
+	// off-topic todo: https://www.golangprograms.com/example-arrays-of-arrays-arrays-of-slices-slices-of-arrays-and-slices-of-slices.html
+	// does this mean i can remove total / size because if so YES
+	for i := 0; i < 4000; i++ { // bad (example: no auto-termination due to 0 replacing nothingness)
+		memory = append(memory, 0)
+	}
+	relative := 0 // initial value of the relative base
+	for i := 0; i < len(memory); {
+		// bounds check
+		opcode := memory[i] % 100
+		three, two, one := split(memory, i, size, relative)
+		//fmt.Println("test:", opcode)
+		// actually what might work better than replacing all below would be
+		// checking if the next three values are out of bounds or not
+		// and then replacing them
+		// no bad idea large addition exists
+		switch opcode {
+		case 1: // adds
+			memory[three] = memory[one] + memory[two]
+			i += 4
+		case 2: // multiplies
+			// if out of bounds
+			// swap = append(swap, {memory[three], memory[one] * memory[two]})
+			// else
+			memory[three] = memory[one] * memory[two]
+			i += 4
+		case 3: // input
+			var input int
+			fmt.Print("Input: ")
+			resp, err := fmt.Scanf("%d", &input) // interesting note: anything following a valid integer is run by bash
+			if err != nil {
+				fmt.Println(resp, err)
+				os.Exit(0)
+			}
+			// out of bounds check
+			memory[one] = input // not affected by modes
+			i += 2
+		case 4: // output
+			fmt.Println(memory[one])
+			i += 2
+		case 5: // jump-if-true
+			if memory[one] != 0 {
+				i = memory[two]
+			} else {
+				i += 3
+			}
+		case 6: // jump-if-false
+			if memory[one] == 0 {
+				i = memory[two]
+			} else {
+				i += 3
+			}
+		case 7: // less than
+			if memory[one] < memory[two] {
+				memory[memory[i+3]] = 1 // instructions: _position_ given by the third parameter
+			} else {
+				memory[memory[i+3]] = 0
+			}
+			i += 4
+		case 8: // equals
+			if memory[one] == memory[two] {
+				memory[memory[i+3]] = 1
+			} else {
+				memory[memory[i+3]] = 0
+			}
+			i += 4
+		case 9: // adjusts the relative base
+			relative += memory[one] // interesting behavior when changing to i+1
+			i += 2
+		case 99: // terminate
+			return memory
+		default:
+			fmt.Println("Unsupported code", opcode, "at", i)
+			os.Exit(0)
+		}
+	}
+	return memory
+}
+
+func etucexe(memory []int, size, output int) (int, int) {
+	var volatile []int
+	for i := 0; i < len(memory); i++ {
+		for j := 0; j < len(memory); j++ {
+			volatile = append([]int(nil), memory...) // reset volatile to memory
+			volatile[1], volatile[2] = i, j
+			if execute(volatile, size)[0] == output {
+				return i, j
+			}
+		}
+	}
+	return -1, -1
+}
diff --git a/2019/go/day10.go b/2019/go/day10.go
new file mode 100644
index 0000000..562299a
--- /dev/null
+++ b/2019/go/day10.go
@@ -0,0 +1,47 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+)
+
+func main() {
+	var region [][]bool
+	x, y, size := 0, 0, 0
+	if len(os.Args) < 2 {
+		panic("runtime error: missing operand")
+	}
+	file, err := ioutil.ReadFile(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	for i := 0; i < len(file); i++ {
+		if file[i] == '#' {
+			region[x][y] = true
+			x++
+		} else if file[i] == '\n' {
+			x = 0
+			y++
+		}
+	}
+	max := 0
+	fmt.Println("Maximum detectable asteroids:", detect(region, x, y))
+}
+
+func detect(region [][]bool, width, height int) int {
+	for i:= 0; i < width; i++ {
+		for j := 0; j < height; j++ {
+			if region[i][j] {
+				for k:= 0; k < width; k++ {
+					for l := 0; l < width; l++ {
+
+					}
+				}
+			}
+		}
+	}
+
+	slope :=
+	return
+}
diff --git a/2019/input/eight.txt b/2019/input/eight.txt
deleted file mode 100644
index 046a733..0000000
--- a/2019/input/eight.txt
+++ /dev/null
@@ -1 +0,0 @@
-2212222220222222222222220202222222220222200121020022202222222222222222222201222022220221222222222202122221222222222222222222022212222222221022222122222202222222222222222222222202222222220222202221021222202222222222222222222221222122221221222222222202022222222222222222222222122202222222220022222222222222222221222222222222221212222222222222200122022222212222222222222222222211222122221222222222222222022222222222222222222222222212222222220022222022222222220222222222222222222202221222221222212021021122222222222222222222222200222120220222222222222222122220222222222222222222022210222222220222222022222202221220222222222222222222221222221222200120020222212222222222222222222212222020220221222222222222222220222222222222222222222200222222222222222022222222222220222222222222222222222222220222221221222222212222222222222222222222222121221221222222222202222221222022222222222222222202222222220022222222222212221220222222222222222202222222221222211220220222212222222222222222222202222121221221222222222222022222222122222222222222022212202222220222222022222202222222222222222222222202221222222222220120120122202222222222222222222220222222222220222222222212122221222122222222222222022220212222221022222022222202221222222222222222222212221222221222202121122222202222202222222222222210222022220220222222222202022221222022222222222222122222212222221222222122222202222222222222222222212222220222222222211021022222212222222222222222222210222121222220222222222222022222222022222222222222222222202122222222222222222202220222222222222222201222220222221222201120222222202222222222222222222210222022221221222221222202222220222122222122222222222202202022220122222022222201220221222222222222212202221222220222212121022022212222212222222222222201222220221221222222222222222222222222222022202222121221212122221022222222222122220220222222222212221202220222221222201120022022202222202222222222222022222221220221222221222202122221222222222122212222022202222222220022222222222201220222222222222222201202221222220222221222120022222222212222222222222102222122221222222221212222022221222222222022202222021212222222221022222122222200221220222222222202220222222222221222222122222022222222202222222222222120222221220220222221212202122222222222200022222222121212212122222022222022222122221220222222222212222202222222221222221021120122212222222222222222222211222121221222222222212212222221222122211222202222121222212022221122222222222220220222222222222212201222220222222222201222022022202222222222222222222122222121220221222220212212022222222022210222222222020222202122222022222222222000220222222222222202210222222222220222210022220222202222212222222222222212222222222221222222222222022221222122210122202222112220212222221022222222222121221221222222222202202212222222220222212022221022202222212222222222222111222021220221222222202212122222222022221122212222012221212022220222222222222001222222222222222212212212222222221222210121122122222222222222222222222122222022222221222202202202122221222022212122212222210212222222220022222022222012222221222222222222202222221222222222220020222122222222202222222222222011222020220220222202202222022222222222201122212222121211202022220222222022222210222222222222222222210222222222220222201021022222212222222222222222222112222021220220222220212202222221222122200222212222202222202222222122222022222111220222222222222222212202222222221222201222021022202222222222222222222201222122221221222201222202022221222222202122212222201210222122220002222222222120221222222222222212211222222222221222222022021022202222202202222212222110222220220222222200202202122220222122201202211222002212202022220222222022222201220220222222222002202202221222221222220122122022222222212202222200222011222022221222222201212212222220222022211212202222002202222122222202222122222221221222222222222222222222222222222222211221220222200222202212222200222112222022221221222221222202222220222122201002200222202222222222221012222222222101222222222222222002220202221222221222200120020222202222202212222211222110222122222221222200212202022222222122211002211222212211202022222122222122222010222220222222222022201222220222221222212221220022220222212212222222222002222221221221222200202212222221222122210202200222112201212022221012222122222101220220222222222002222202222222220222200120120222211222212222222202222120222021221221222201202222022222222222220102200222112211220222222102222122222202221222222222222212220222220222220222220221120222221222212212222202222011222022220222222222222222022222222122220002210222120221202022220122222222222121221220222222222122210222220222221222211022021022201222202202222200222222222221220221222211212222122221222022201202122222110220211122222122222222222012220220222222222122212212222222222222220121221022221222202222222210222020222222220220222200212212022222222022222012121222112222212222222222222122222010221221222222222002211212221222221222220022021022202222202202222221222012222120222221222201222212222220222122222122010222221211222222221002222022222120221222222222222102200222220222222222211220022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1
diff --git a/2019/input/five.txt b/2019/input/five.txt
deleted file mode 100644
index a97e6c1..0000000
--- a/2019/input/five.txt
+++ /dev/null
@@ -1 +0,0 @@
-3,225,1,225,6,6,1100,1,238,225,104,0,1101,65,39,225,2,14,169,224,101,-2340,224,224,4,224,1002,223,8,223,101,7,224,224,1,224,223,223,1001,144,70,224,101,-96,224,224,4,224,1002,223,8,223,1001,224,2,224,1,223,224,223,1101,92,65,225,1102,42,8,225,1002,61,84,224,101,-7728,224,224,4,224,102,8,223,223,1001,224,5,224,1,223,224,223,1102,67,73,224,1001,224,-4891,224,4,224,102,8,223,223,101,4,224,224,1,224,223,223,1102,54,12,225,102,67,114,224,101,-804,224,224,4,224,102,8,223,223,1001,224,3,224,1,224,223,223,1101,19,79,225,1101,62,26,225,101,57,139,224,1001,224,-76,224,4,224,1002,223,8,223,1001,224,2,224,1,224,223,223,1102,60,47,225,1101,20,62,225,1101,47,44,224,1001,224,-91,224,4,224,1002,223,8,223,101,2,224,224,1,224,223,223,1,66,174,224,101,-70,224,224,4,224,102,8,223,223,1001,224,6,224,1,223,224,223,4,223,99,0,0,0,677,0,0,0,0,0,0,0,0,0,0,0,1105,0,99999,1105,227,247,1105,1,99999,1005,227,99999,1005,0,256,1105,1,99999,1106,227,99999,1106,0,265,1105,1,99999,1006,0,99999,1006,227,274,1105,1,99999,1105,1,280,1105,1,99999,1,225,225,225,1101,294,0,0,105,1,0,1105,1,99999,1106,0,300,1105,1,99999,1,225,225,225,1101,314,0,0,106,0,0,1105,1,99999,108,226,226,224,102,2,223,223,1005,224,329,101,1,223,223,1107,226,677,224,1002,223,2,223,1005,224,344,101,1,223,223,8,226,677,224,102,2,223,223,1006,224,359,101,1,223,223,108,677,677,224,1002,223,2,223,1005,224,374,1001,223,1,223,1108,226,677,224,1002,223,2,223,1005,224,389,101,1,223,223,1007,677,677,224,1002,223,2,223,1006,224,404,1001,223,1,223,1108,677,677,224,102,2,223,223,1006,224,419,1001,223,1,223,1008,226,677,224,102,2,223,223,1005,224,434,101,1,223,223,107,677,677,224,102,2,223,223,1006,224,449,1001,223,1,223,1007,226,677,224,102,2,223,223,1005,224,464,101,1,223,223,7,677,226,224,102,2,223,223,1005,224,479,101,1,223,223,1007,226,226,224,102,2,223,223,1005,224,494,101,1,223,223,7,677,677,224,102,2,223,223,1006,224,509,101,1,223,223,1008,677,677,224,1002,223,2,223,1006,224,524,1001,223,1,223,108,226,677,224,1002,223,2,223,1006,224,539,101,1,223,223,8,226,226,224,102,2,223,223,1006,224,554,101,1,223,223,8,677,226,224,102,2,223,223,1005,224,569,1001,223,1,223,1108,677,226,224,1002,223,2,223,1006,224,584,101,1,223,223,1107,677,226,224,1002,223,2,223,1005,224,599,101,1,223,223,107,226,226,224,102,2,223,223,1006,224,614,1001,223,1,223,7,226,677,224,102,2,223,223,1005,224,629,1001,223,1,223,107,677,226,224,1002,223,2,223,1005,224,644,1001,223,1,223,1107,677,677,224,102,2,223,223,1006,224,659,101,1,223,223,1008,226,226,224,1002,223,2,223,1006,224,674,1001,223,1,223,4,223,99,226
diff --git a/2019/input/four.txt b/2019/input/four.txt
deleted file mode 100644
index 693a14b..0000000
--- a/2019/input/four.txt
+++ /dev/null
@@ -1 +0,0 @@
-123257-647015
diff --git a/2019/input/nine.txt b/2019/input/nine.txt
deleted file mode 100644
index bb2d334..0000000
--- a/2019/input/nine.txt
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/2019/input/one.txt b/2019/input/one.txt
deleted file mode 100644
index 199bf78..0000000
--- a/2019/input/one.txt
+++ /dev/null
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diff --git a/2019/input/seven.txt b/2019/input/seven.txt
deleted file mode 100644
index 26f287d..0000000
--- a/2019/input/seven.txt
+++ /dev/null
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diff --git a/2019/input/six.txt b/2019/input/six.txt
deleted file mode 100644
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diff --git a/2019/input/ten.txt b/2019/input/ten.txt
deleted file mode 100644
index 716efc4..0000000
--- a/2019/input/ten.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-.###.###.###.#####.#
-#####.##.###..###..#
-.#...####.###.######
-######.###.####.####
-#####..###..########
-#.##.###########.#.#
-##.###.######..#.#.#
-.#.##.###.#.####.###
-##..#.#.##.#########
-###.#######.###..##.
-###.###.##.##..####.
-.##.####.##########.
-#######.##.###.#####
-#####.##..####.#####
-##.#.#####.##.#.#..#
-###########.#######.
-#.##..#####.#####..#
-#####..#####.###.###
-####.#.############.
-####.#.#.##########.
diff --git a/2019/input/three.txt b/2019/input/three.txt
deleted file mode 100644
index fcb8502..0000000
--- a/2019/input/three.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-R998,U547,L703,D251,L776,U837,R100,U240,R197,D216,L220,U606,L437,U56,R940,U800,L968,D464,L870,D797,L545,D824,R790,U5,R347,D794,R204,U538,L247,U385,L103,D260,L590,U813,L549,U309,L550,U321,R862,D686,R368,D991,R451,D836,R264,D138,L292,D319,L784,D369,R849,U865,R776,D726,R223,D118,L790,D208,L836,D592,R310,D36,R991,U674,L205,U407,R422,U350,L126,D320,L239,U353,L509,U48,R521,D544,L157,D551,R614,D493,R407,D965,R498,U248,R826,U573,L782,D589,R616,D992,L806,D745,R28,U142,L333,D849,L858,D617,R167,U341,R46,U940,L615,D997,L447,D604,R148,U561,R925,D673,R441,U200,R458,U193,L805,D723,L208,U600,L926,U614,R660,D183,L408,D834,R248,U354,L110,U391,L37,U599,L287,U28,R859,D936,L404,D952,R11,U20,R708,U218,L800,U750,R936,D213,R6,D844,R728,D391,R114,U406,R390,U791,L199,D397,R476,D583,R99,U419,R575,D836,L896,U780,L77,U964,R441,U723,R248,D170,R527,D94,L39,U645,L338,D728,R503,U641,L358,D287,R171,U368,R176,D986,R821,U912,L231,D206,L451,U900,L35,D490,R190,D180,L937,D500,R157,U989,L336,U202,R178,U52,R931,U306,L85,D866,R756,U715,L521,D977,R936,U4,R207,D384,L785,U138,L682,U488,L537,U250,L877,D446,R849,U35,R258,U784,R263,D494,L324,U601,R302,U473,L737,D143,R184,D967,R95,U51,L713,U733,R297,U740,R677,D715,R750,U143,L980,U260,R915,D535,R202,U460,R365,U956,L73,U441,R182,D982,L869,D755,L837,D933,L856,D341,R189,D519,L387,D144,R575,U682,R317,U838,R154,D201,R237,D410,L43,U853,L495,U983,L953,U220,R697,D592,R355,U377,R792,U824,L441,U783,R258,D955,R451,D178,L151,D435,L232,U923,L663,U283,L92,D229,R514
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diff --git a/2019/input/two.txt b/2019/input/two.txt
deleted file mode 100644
index 54b87b7..0000000
--- a/2019/input/two.txt
+++ /dev/null
@@ -1 +0,0 @@
-1,0,0,3,1,1,2,3,1,3,4,3,1,5,0,3,2,10,1,19,1,6,19,23,2,23,6,27,1,5,27,31,1,31,9,35,2,10,35,39,1,5,39,43,2,43,10,47,1,47,6,51,2,51,6,55,2,55,13,59,2,6,59,63,1,63,5,67,1,6,67,71,2,71,9,75,1,6,75,79,2,13,79,83,1,9,83,87,1,87,13,91,2,91,10,95,1,6,95,99,1,99,13,103,1,13,103,107,2,107,10,111,1,9,111,115,1,115,10,119,1,5,119,123,1,6,123,127,1,10,127,131,1,2,131,135,1,135,10,0,99,2,14,0,0
diff --git a/2019/nim/day01.nim b/2019/nim/day01.nim
new file mode 100644
index 0000000..63c1219
--- /dev/null
+++ b/2019/nim/day01.nim
@@ -0,0 +1,16 @@
+# Day One: The Tyranny of the Rocket Equation
+import os, strutils
+
+let input: string = paramStr(1)
+var sum, fuelsum: int = 0
+
+for mass in lines(input):
+  var fuel = parseInt(mass) div 3 - 2
+  sum += fuel
+  fuelsum += fuel
+  while fuel > 0:
+    fuel = fuel div 3 - 2
+    fuelsum += max(0, fuel)
+
+echo sum
+echo fuelsum
diff --git a/2019/nim/day02.nim b/2019/nim/day02.nim
new file mode 100644
index 0000000..c0bfb9b
--- /dev/null
+++ b/2019/nim/day02.nim
@@ -0,0 +1,37 @@
+# Day Two: 1202 Program Alarm
+import os, strutils, sequtils
+
+let input: string = paramStr(1)
+var program: seq[int] = map(split(strip(readFile(input)), ','), parseInt)
+program[1] = 12
+program[2] = 2
+
+proc execute(program: seq[int]): int =
+  var program: seq[int] = program
+  var i: int = 0
+  while i < len(program):
+    case program[i]
+    of 1:
+      program[program[i+3]] = program[program[i+1]] + program[program[i+2]]
+      i += 4
+    of 2:
+      program[program[i+3]] = program[program[i+1]] * program[program[i+2]]
+      i += 4
+    of 99:
+      break
+    else:
+      echo("Unsupported code ", program[i], " at ", i)
+      quit(QuitFailure)
+  return program[0]
+
+proc grammar(program: seq[int]): int =
+  var program: seq[int] = program
+  for noun in 0 ..< len(program):
+    for verb in 0 ..< len(program):
+      program[1] = noun
+      program[2] = verb
+      if execute(program) == 19690720:
+        return 100 * noun + verb
+
+echo execute(program)
+echo grammar(program)
diff --git a/2019/nim/day04.nim b/2019/nim/day04.nim
new file mode 100644
index 0000000..eb6d933
--- /dev/null
+++ b/2019/nim/day04.nim
@@ -0,0 +1,37 @@
+# Day Four: Secure Container
+import os, strutils, sequtils
+
+let input: string = paramStr(1)
+let bounds: seq[int] = map(split(strip(readFile(input)), '-'), parseInt)
+var valid, details: int = 0
+
+proc criteria(password: int): bool =
+  var password: string = $password
+  for digit in 0 .. 4:
+    if password[digit] > password[digit+1]:
+      return false
+  for digit in 0 .. 4:
+    if password[digit] == password[digit+1]:
+      return true
+  return false
+
+proc extracriteria(password: int): bool =
+  var password: string = $password
+  for digit in 0 .. 4:
+    if password[digit] > password[digit+1]:
+      return false
+  for digit in 0 .. 4:
+    if password[digit] == password[digit+1]:
+      if digit == 0 or password[digit] != password[digit-1]:
+        if digit == 4 or password[digit] != password[digit+2]:
+          return true
+  return false
+
+for password in bounds[0] .. bounds[1]:
+  if criteria(password): inc(valid)
+
+for password in bounds[0] .. bounds[1]:
+  if extracriteria(password): inc(details)
+
+echo valid
+echo details
diff --git a/2019/nim/day05.nim b/2019/nim/day05.nim
new file mode 100644
index 0000000..87c359e
--- /dev/null
+++ b/2019/nim/day05.nim
@@ -0,0 +1,63 @@
+# Day Five: Sunny with a Chance of Asteroids
+import os, strutils, sequtils
+
+let input: string = paramStr(1)
+var program: seq[int] = map(split(strip(readFile(input)), ','), parseInt)
+
+var i: int = 0
+while i < len(program):
+  let opcode: int = program[i] mod 100
+
+  var
+    mode:  int = program[i] div 100
+    one:   int = i+1
+    two:   int = i+2
+    three: int = i+3
+  if len(program)-i > 1 and mode mod 10 == 0:
+    one = program[one]
+  if len(program)-i > 2 and mode div 10 mod 10 == 0:
+    two = program[two]
+  if len(program)-i > 3 and mode div 100 == 0:
+    three = program[three]
+
+  case opcode
+  of 1:   # adds
+    program[three] = program[one] + program[two]
+    i += 4
+  of 2:   # multiplies
+    program[three] = program[one] * program[two]
+    i += 4
+  of 3:   # input
+    write(stdout, "Input: ")
+    program[one] = parseInt(readLine(stdin))
+    i += 2
+  of 4:   # output
+    echo program[one]
+    i += 2
+  of 5:   # jump-if-true
+    if program[one] != 0:
+      i = program[two]
+    else:
+      i += 3
+  of 6:   # jump-if-false
+    if program[one] == 0:
+      i = program[two]
+    else:
+      i += 3
+  of 7:   # less than
+    if program[one] < program[two]:
+      program[three] = 1
+    else:
+      program[three] = 0
+    i += 4
+  of 8:   # equals
+    if program[one] == program[two]:
+      program[three] = 1
+    else:
+      program[three] = 0
+    i += 4
+  of 99:  # terminate
+    break
+  else:
+    echo("Unsupported code ", program[i], " at ", i)
+    quit(QuitFailure)
diff --git a/2019/nim/day08.nim b/2019/nim/day08.nim
new file mode 100644
index 0000000..ecf291e
--- /dev/null
+++ b/2019/nim/day08.nim
@@ -0,0 +1,30 @@
+# Day Eight: Space Image Format
+import os, strutils, sequtils
+
+let
+  input: string = paramStr(1)
+  digits: string = strip(readFile(input))
+  width: int = 25
+  height: int = 6
+  depth: int = len(digits) div (width * height)
+
+var min, product: int = width * height
+for layer in distribute(@digits, depth):
+  if count(layer, '0') < min:
+    min = count(layer, '0')
+    product = count(layer, '1') * count(layer, '2')
+echo product
+
+for column in 0 ..< height:
+  for row in 0 ..< width:
+    for layer in 0 ..< depth:
+      case digits[(layer * height * width) + (column * width) + row]
+      of '0':
+        write(stdout, ' ')
+        break
+      of '1':
+        write(stdout, 'X')
+        break
+      else:
+        discard
+  write(stdout, '\n')
diff --git a/2019/nine.go b/2019/nine.go
deleted file mode 100644
index 432d780..0000000
--- a/2019/nine.go
+++ /dev/null
@@ -1,166 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"strconv"
-)
-
-func main() {
-	var memory []int
-	start, size := 0, 0
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < len(file); i++ {
-		if file[i] == ',' || file[i] == '\n' {
-			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
-			if err != nil {
-				panic(err)
-			}
-			memory = append(memory, arg)
-			start = i + 1
-			size++
-		}
-	}
-	// fmt.Println(execute(memory, size))
-	// noun, verb := etucexe(memory, size, 19690720)
-	// fmt.Println(100*noun + verb)
-	execute(memory, size)
-}
-
-func split(memory []int, i, size, relative int) (int, int, int) {
-	mode := memory[i] / 100
-	three, two, one := i+3, i+2, i+1
-	if size-i > 1 {
-		if mode%10 == 0 {
-			one = memory[i+1]
-		} else if mode%10 == 2 {
-			one = relative + memory[i+1]
-		}
-		if size-i > 2 {
-			if mode/10%10 == 0 {
-				two = memory[i+2]
-			} else if mode%10 == 2 {
-				two = relative + memory[i+2]
-			}
-			if size-i > 3 {
-				if mode/100 == 0 {
-					three = memory[i+3]
-				} else if mode%10 == 2 {
-					three = relative + memory[i+3]
-				}
-			}
-		}
-	}
-	return three, two, one
-}
-
-func execute(memory []int, size int) []int {
-	/* todo: said "memory" functionality could be [pos, value]int
-	* i.e. when memory outside initial bounds wants to be accessed,
-	* it writes to a new element of this slice
-	* to access elements of the array, iterate through while checking each position
-	* additionally, to ensure there aren't conflicting "positions" in the array,
-	* do the above iteration process, if not, appends (this requires a total int)
-	 */
-	/*
-		var swap [][2]int
-	*/
-
-	// off-topic todo: https://www.golangprograms.com/example-arrays-of-arrays-arrays-of-slices-slices-of-arrays-and-slices-of-slices.html
-	// does this mean i can remove total / size because if so YES
-	for i := 0; i < 4000; i++ { // bad (example: no auto-termination due to 0 replacing nothingness)
-		memory = append(memory, 0)
-	}
-	relative := 0 // initial value of the relative base
-	for i := 0; i < len(memory); {
-		// bounds check
-		opcode := memory[i] % 100
-		three, two, one := split(memory, i, size, relative)
-		//fmt.Println("test:", opcode)
-		// actually what might work better than replacing all below would be
-		// checking if the next three values are out of bounds or not
-		// and then replacing them
-		// no bad idea large addition exists
-		switch opcode {
-		case 1: // adds
-			memory[three] = memory[one] + memory[two]
-			i += 4
-		case 2: // multiplies
-			// if out of bounds
-			// swap = append(swap, {memory[three], memory[one] * memory[two]})
-			// else
-			memory[three] = memory[one] * memory[two]
-			i += 4
-		case 3: // input
-			var input int
-			fmt.Print("Input: ")
-			resp, err := fmt.Scanf("%d", &input) // interesting note: anything following a valid integer is run by bash
-			if err != nil {
-				fmt.Println(resp, err)
-				os.Exit(0)
-			}
-			// out of bounds check
-			memory[one] = input // not affected by modes
-			i += 2
-		case 4: // output
-			fmt.Println(memory[one])
-			i += 2
-		case 5: // jump-if-true
-			if memory[one] != 0 {
-				i = memory[two]
-			} else {
-				i += 3
-			}
-		case 6: // jump-if-false
-			if memory[one] == 0 {
-				i = memory[two]
-			} else {
-				i += 3
-			}
-		case 7: // less than
-			if memory[one] < memory[two] {
-				memory[memory[i+3]] = 1 // instructions: _position_ given by the third parameter
-			} else {
-				memory[memory[i+3]] = 0
-			}
-			i += 4
-		case 8: // equals
-			if memory[one] == memory[two] {
-				memory[memory[i+3]] = 1
-			} else {
-				memory[memory[i+3]] = 0
-			}
-			i += 4
-		case 9: // adjusts the relative base
-			relative += memory[one] // interesting behavior when changing to i+1
-			i += 2
-		case 99: // terminate
-			return memory
-		default:
-			fmt.Println("Unsupported code", opcode, "at", i)
-			os.Exit(0)
-		}
-	}
-	return memory
-}
-
-func etucexe(memory []int, size, output int) (int, int) {
-	var volatile []int
-	for i := 0; i < len(memory); i++ {
-		for j := 0; j < len(memory); j++ {
-			volatile = append([]int(nil), memory...) // reset volatile to memory
-			volatile[1], volatile[2] = i, j
-			if execute(volatile, size)[0] == output {
-				return i, j
-			}
-		}
-	}
-	return -1, -1
-}
diff --git a/2019/one.go b/2019/one.go
deleted file mode 100644
index cf27820..0000000
--- a/2019/one.go
+++ /dev/null
@@ -1,40 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"strconv"
-)
-
-func main() {
-	start, sum, fuelsum := 0, 0, 0
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < len(file); i++ {
-		if file[i] == '\n' {
-			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
-			if err != nil {
-				panic(err)
-			}
-			start = i + 1
-			sum += (arg / 3) - 2
-			fuelsum += tyranny(arg)
-		}
-	}
-	fmt.Println(sum)
-	fmt.Println(fuelsum)
-}
-
-func tyranny(mass int) int {
-	subtotal := 0
-	for fuel := (mass / 3) - 2; fuel >= 0; fuel = (fuel / 3) - 2 {
-		subtotal += fuel
-	}
-	return subtotal
-}
diff --git a/2019/one.nim b/2019/one.nim
deleted file mode 100644
index 63c1219..0000000
--- a/2019/one.nim
+++ /dev/null
@@ -1,16 +0,0 @@
-# Day One: The Tyranny of the Rocket Equation
-import os, strutils
-
-let input: string = paramStr(1)
-var sum, fuelsum: int = 0
-
-for mass in lines(input):
-  var fuel = parseInt(mass) div 3 - 2
-  sum += fuel
-  fuelsum += fuel
-  while fuel > 0:
-    fuel = fuel div 3 - 2
-    fuelsum += max(0, fuel)
-
-echo sum
-echo fuelsum
diff --git a/2019/seven.go b/2019/seven.go
deleted file mode 100644
index d71d827..0000000
--- a/2019/seven.go
+++ /dev/null
@@ -1,141 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"strconv"
-)
-
-func main() {
-	var memory []int
-	size := 0
-	for i := 1; i < len(os.Args); i++ {
-		arg, err := strconv.Atoi(os.Args[i])
-		if err != nil {
-			panic(err)
-		}
-		memory = append(memory, arg)
-		size++
-	}
-	// fmt.Println(execute(memory, size))
-	// noun, verb := etucexe(memory, size, 19690720)
-	// fmt.Println(100*noun + verb)
-	// execute(memory, size)
-	fmt.Println(thrust(memory, size))
-}
-
-func thrust(memory []int, size int) int { // 120 total
-	max := 0
-	for a := 0; a < 5; a++ {
-		for b:=0; b < 4; b++ {
-			for c:=0;
-		}
-
-
-
-		a, b, c, d, e := i/10000, i/1000%10, i/100%100, i/10%1000, i%10000
-		a = execute(memory, size) // stdin fill this with a, 0
-		b = execute(memory, size) // stdin fill this with b, 0
-		c = execute(memory, size) // stdin fill this with c, 0
-		d = execute(memory, size) // stdin fill this with d, 0
-		e = execute(memory, size) // stdin fill this with e, 0
-		if (e > max) {
-			max = e
-		}
-	return max
-}
-
-func split(memory []int, i, size int) (int, int, int) {
-	mode := memory[i] / 100
-	three, two, one := i+3, i+2, i+1
-	if size-i > 1 {
-		if mode%10 == 0 {
-			one = memory[i+1]
-		}
-		if size-i > 2 {
-			if mode/10%10 == 0 {
-				two = memory[i+2]
-			}
-			if size-i > 3 {
-				if mode/100 == 0 {
-					three = memory[i+3]
-				}
-			}
-		}
-	}
-	return three, two, one
-}
-
-func execute(memory []int, size int) []int {
-	for i := 0; i < len(memory); {
-		opcode := memory[i] % 100
-		three, two, one := split(memory, i, size)
-		switch opcode {
-		case 1: // adds
-			memory[three] = memory[one] + memory[two]
-			i += 4
-		case 2: // multiplies
-			memory[three] = memory[one] * memory[two]
-			i += 4
-		case 3: // input
-			var input int
-			fmt.Print("Input: ")
-			resp, err := fmt.Scanf("%d", &input)
-			if err != nil {
-				fmt.Println(resp, err)
-				os.Exit(0)
-			}
-			memory[one] = input // not affected by modes
-			i += 2
-		case 4: // output
-			fmt.Println(memory[one])
-			i += 2
-		case 5: // jump-if-true
-			if memory[one] != 0 {
-				i = memory[two] // ???
-			} else {
-				i += 3
-			}
-		case 6: // jump-if-false
-			if memory[one] == 0 {
-				i = memory[two] // ???
-			} else {
-				i += 3
-			}
-		case 7: // less than
-			if memory[one] < memory[two] {
-				memory[memory[i+3]] = 1
-			} else {
-				memory[memory[i+3]] = 0
-			}
-			i += 4
-		case 8: // equals
-			if memory[one] == memory[two] {
-				memory[memory[i+3]] = 1
-			} else {
-				memory[memory[i+3]] = 0
-			}
-			i += 4
-		case 99: // terminate
-			return memory
-		default:
-			fmt.Println("Unsupported code", opcode, "at", i)
-			os.Exit(0)
-		}
-	}
-	return memory
-}
-
-func etucexe(memory []int, size, output int) (int, int) {
-	var volatile []int
-	for i := 0; i < len(memory); i++ {
-		for j := 0; j < len(memory); j++ {
-			volatile = append([]int(nil), memory...) // reset volatile to memory
-			volatile[1], volatile[2] = i, j
-			if execute(volatile, size)[0] == output {
-				return i, j
-			}
-		}
-	}
-	return -1, -1
-}
diff --git a/2019/six.go b/2019/six.go
deleted file mode 100644
index 646313d..0000000
--- a/2019/six.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package main
-
-import (
-	"io/ioutil"
-	"os"
-)
-
-func main() {
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-
-	for i := 0
-}
-
-func orbits(planet string) []string {
-
-	var chain []string
-
-	return chain
-}
diff --git a/2019/ten.go b/2019/ten.go
deleted file mode 100644
index 562299a..0000000
--- a/2019/ten.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-)
-
-func main() {
-	var region [][]bool
-	x, y, size := 0, 0, 0
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < len(file); i++ {
-		if file[i] == '#' {
-			region[x][y] = true
-			x++
-		} else if file[i] == '\n' {
-			x = 0
-			y++
-		}
-	}
-	max := 0
-	fmt.Println("Maximum detectable asteroids:", detect(region, x, y))
-}
-
-func detect(region [][]bool, width, height int) int {
-	for i:= 0; i < width; i++ {
-		for j := 0; j < height; j++ {
-			if region[i][j] {
-				for k:= 0; k < width; k++ {
-					for l := 0; l < width; l++ {
-
-					}
-				}
-			}
-		}
-	}
-
-	slope :=
-	return
-}
diff --git a/2019/three.go b/2019/three.go
deleted file mode 100644
index 2c79a18..0000000
--- a/2019/three.go
+++ /dev/null
@@ -1,156 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-)
-
-func main() {
-	var directions [][]string
-	var temp []string
-	start := 0
-
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < len(file); i++ {
-		if string(file[i]) == "," || file[i] == '\n' {
-			temp = append(temp, string(file[start:i]))
-			start = i + 1
-			if file[i] == '\n' {
-				directions[] = append(directions[], temp)
-				temp = nil
-			}
-		}
-	}
-	fmt.Println(directions)
-
-	// grid [][]int := boolgrid(directions)
-
-}
-
-// 	ax, ay, at := taxi(directions[0])
-// 	bx, by, bt := taxi(directions[1])
-// 	for i := 0; i < at; i++ {
-// 		for j := 0; j < at; j++ {
-// 			for k := 0; k <
-// 			ax[i][j]
-// 		}
-// 	}
-// 	abx, aby
-
-// 	grid = taxi(directions, taxi(directions2, grid))
-// 	min, x, y := 4000, 0, 0
-// 	for i := 0; i < len(grid); i++ {
-// 		for j := 0; j < len(grid); j++ {
-// 			x, y = int(math.Abs(float64(i-500))), int(math.Abs(float64(j-500)))
-// 			if grid[i][j] == 2 && x+y < min {
-// 				fmt.Println(i-500, j-500)
-// 				min = x + y
-// 			}
-
-// 		}
-// 	}
-// 	fmt.Println("Manhattan distance to intersection:", min)
-// }
-
-// func taxi(directions []string) ([]int, []int, int) {
-// 	var horislice, vertslice []int
-// 	total := 0
-// 	for i := 0; i < len(directions); i++ {
-// 		direction := directions[i][0]
-// 		displacement, err := strconv.Atoi(directions[i][1:])
-// 		if err != nil {
-// 			panic(err)
-// 		}
-// 		switch direction {
-// 		case 'L':
-// 			for j := 0; j < displacement; j++ {
-// 				horislice = append(horislice, horislice[total]-j)
-// 				vertslice = append(vertslice, vertslice[total])
-// 				total++
-// 			}
-// 		case 'R':
-// 			for j := 0; j < displacement; j++ {
-// 				horislice = append(horislice, horislice[total]+j)
-// 				vertslice = append(vertslice, vertslice[total])
-// 				total++
-// 			}
-// 		case 'U':
-// 			for j := 0; j < displacement; j++ {
-// 				vertslice = append(vertslice, vertslice[total]+j)
-// 				horislice = append(horislice, horislice[total])
-// 				total++
-// 			}
-// 		case 'D':
-// 			for j := 0; j < displacement; j++ {
-// 				vertslice = append(vertslice, vertslice[total]-j)
-// 				horislice = append(horislice, horislice[total])
-// 				total++
-// 			}
-// 		default:
-// 			fmt.Println("Unhandled direction", string(direction))
-// 			os.Exit(0)
-// 		}
-// 	}
-// 	return horislice, vertslice, total
-// }
-
-// func taxi(directions []string, grid [4000][4000]int) [4000][4000]int { // sign convention: an array, left to right, top to bottom, beginning in the top left corner
-// 	x, y := len(grid)/2, len(grid[0])/2 // start in center
-// 	var boolgrid [4000][4000]bool
-// 	for i := 0; i < len(directions); i++ {
-// 		direction := directions[i][0]
-// 		displacement, err := strconv.Atoi(directions[i][1:])
-// 		if err != nil {
-// 			panic(err)
-// 		}
-// 		switch direction {
-// 		case 'L':
-// 			for j := 0; j < displacement; j++ {
-// 				x--
-// 				if !boolgrid[x][y] {
-// 					boolgrid[x][y] = true
-// 				}
-// 			}
-// 		case 'R':
-// 			for j := 0; j < displacement; j++ {
-// 				x++
-// 				if !boolgrid[x][y] {
-// 					boolgrid[x][y] = true
-// 				}
-// 			}
-// 		case 'U':
-// 			for j := 0; j < displacement; j++ {
-// 				y--
-// 				if !boolgrid[x][y] {
-// 					boolgrid[x][y] = true
-// 				}
-// 			}
-// 		case 'D':
-// 			for j := 0; j < displacement; j++ {
-// 				y++
-// 				if !boolgrid[x][y] {
-// 					boolgrid[x][y] = true
-// 				}
-// 			}
-// 		default:
-// 			fmt.Println("Unhandled direction", string(direction))
-// 			os.Exit(0)
-// 		}
-// 		fmt.Println(string(direction), displacement, x, y)
-// 	}
-// 	for i := 0; i < len(grid); i++ {
-// 		for j := 0; j < len(grid[0]); j++ {
-// 			if boolgrid[i][j] {
-// 				grid[i][j]++
-// 			}
-// 		}
-// 	}
-// 	return grid // each element is equal to the numbers of wires on it
-// }
diff --git a/2019/two.go b/2019/two.go
deleted file mode 100644
index 8108c87..0000000
--- a/2019/two.go
+++ /dev/null
@@ -1,66 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"strconv"
-)
-
-func main() {
-	var slice []int
-	start, size := 0, 0
-	if len(os.Args) < 2 {
-		panic("runtime error: missing operand")
-	}
-	file, err := ioutil.ReadFile(os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < len(file); i++ {
-		if file[i] == ',' || file[i] == '\n' {
-			arg, err := strconv.Atoi(string(file[start:i])) // i-1??
-			if err != nil {
-				panic(err)
-			}
-			slice = append(slice, arg)
-			start = i + 1
-			size++
-		}
-	}
-	noun, verb := edocpo(slice, 19690720)
-	slice[1] = 12
-	slice[2] = 2
-	fmt.Println(opcode(slice)[0])
-	fmt.Println(100*noun + verb)
-}
-
-func opcode(slice []int) []int {
-	for i := 0; i < len(slice); i += 4 {
-		if slice[i] == 1 {
-			slice[slice[i+3]] = slice[slice[i+1]] + slice[slice[i+2]]
-		} else if slice[i] == 2 {
-			slice[slice[i+3]] = slice[slice[i+1]] * slice[slice[i+2]]
-		} else if slice[i] == 99 {
-			return slice
-		} else {
-			fmt.Println("Unsupported code", slice[i], "at", i)
-			os.Exit(0)
-		}
-	}
-	return slice
-}
-
-func edocpo(slice []int, output int) (int, int) {
-	var ecils []int
-	for i := 0; i < len(slice); i++ {
-		for j := 0; j < len(slice); j++ {
-			ecils = append([]int(nil), slice...) // reset ecils to slice
-			ecils[1], ecils[2] = i, j
-			if opcode(ecils)[0] == output {
-				return i, j
-			}
-		}
-	}
-	return -1, -1
-}
diff --git a/2019/two.nim b/2019/two.nim
deleted file mode 100644
index c0bfb9b..0000000
--- a/2019/two.nim
+++ /dev/null
@@ -1,37 +0,0 @@
-# Day Two: 1202 Program Alarm
-import os, strutils, sequtils
-
-let input: string = paramStr(1)
-var program: seq[int] = map(split(strip(readFile(input)), ','), parseInt)
-program[1] = 12
-program[2] = 2
-
-proc execute(program: seq[int]): int =
-  var program: seq[int] = program
-  var i: int = 0
-  while i < len(program):
-    case program[i]
-    of 1:
-      program[program[i+3]] = program[program[i+1]] + program[program[i+2]]
-      i += 4
-    of 2:
-      program[program[i+3]] = program[program[i+1]] * program[program[i+2]]
-      i += 4
-    of 99:
-      break
-    else:
-      echo("Unsupported code ", program[i], " at ", i)
-      quit(QuitFailure)
-  return program[0]
-
-proc grammar(program: seq[int]): int =
-  var program: seq[int] = program
-  for noun in 0 ..< len(program):
-    for verb in 0 ..< len(program):
-      program[1] = noun
-      program[2] = verb
-      if execute(program) == 19690720:
-        return 100 * noun + verb
-
-echo execute(program)
-echo grammar(program)
-- 
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