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authorj-james2022-12-05 07:15:53 +0000
committerj-james2022-12-05 07:15:53 +0000
commitfb2dd0f45fa8f8a1045ee9c76c1bca3cc71cb0ef (patch)
treea49b3f49906bf4601bf6a1826784b6e0c5531dfe /2022
parentf5f940c52b38a5e17092f5896dc2fc13e8443478 (diff)
Day Three
Diffstat (limited to '2022')
-rw-r--r--2022/nim/day03/src/main.nim18
-rw-r--r--2022/rust/day03/Cargo.lock7
-rw-r--r--2022/rust/day03/Cargo.toml8
-rw-r--r--2022/rust/day03/src/main.rs43
4 files changed, 76 insertions, 0 deletions
diff --git a/2022/nim/day03/src/main.nim b/2022/nim/day03/src/main.nim
new file mode 100644
index 0000000..782d9f6
--- /dev/null
+++ b/2022/nim/day03/src/main.nim
@@ -0,0 +1,18 @@
+# Day Three: Rucksack Reorganization
+import std/[os, strutils, sequtils, sugar]
+
+let input = paramStr(1).readFile().strip().split("\n")
+
+func deascii(x: char): int =
+ if x.ord > 96:
+ x.ord - 96
+ else:
+ x.ord - 38
+
+echo input.mapIt((it[0..(it.len div 2 - 1)], it[(it.len div 2)..(it.len - 1)]))
+ .mapIt(it[0].filter(x => x in it[1])[0])
+ .mapIt(it.deascii()).foldl(a+b, 0)
+
+echo input.distribute(100)
+ .mapIt(it[0].filter(x => x in it[1] and x in it[2])[0])
+ .mapIt(it.deascii()).foldl(a+b, 0)
diff --git a/2022/rust/day03/Cargo.lock b/2022/rust/day03/Cargo.lock
new file mode 100644
index 0000000..21c74cb
--- /dev/null
+++ b/2022/rust/day03/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day03"
+version = "0.1.0"
diff --git a/2022/rust/day03/Cargo.toml b/2022/rust/day03/Cargo.toml
new file mode 100644
index 0000000..2804bab
--- /dev/null
+++ b/2022/rust/day03/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "day03"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2022/rust/day03/src/main.rs b/2022/rust/day03/src/main.rs
new file mode 100644
index 0000000..db5b83e
--- /dev/null
+++ b/2022/rust/day03/src/main.rs
@@ -0,0 +1,43 @@
+#![feature(iter_array_chunks)]
+use std::env;
+use std::fs;
+
+fn main() {
+ let args = env::args().nth(1).expect("missing input");
+ let input = fs::read_to_string(args).unwrap();
+ let rucksacks = input.trim().split("\n");
+
+ let compartments: Vec<(&str, &str)> = rucksacks.clone()
+ .map(|x| x.split_at(x.len() / 2)).collect();
+ let mut sum = 0;
+ for (a, b) in compartments.iter() {
+ for c in a.chars() {
+ if b.contains(c) {
+ sum += deascii(c);
+ break;
+ }
+ }
+ // println!("{:?}, {:?}", a, b);
+ }
+ println!("{}", sum);
+
+ sum = 0;
+ // yoo this is sick
+ for a in rucksacks.array_chunks::<3>() {
+ for c in a[0].chars() {
+ if a[1].contains(c) && a[2].contains(c) {
+ sum += deascii(c);
+ break;
+ }
+ }
+ }
+ println!("{}", sum);
+}
+
+fn deascii(x: char) -> i64 {
+ if x as i64 > 96 {
+ return x as i64 - 96;
+ } else {
+ return x as i64 - 38;
+ }
+}