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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
}
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