aoc2022

Advent of Code 2022 solutions in Rust
git clone git://code.mfashby.net:/aoc2022
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day6.rs (576B)

      1 pub fn run(input: String) {
      2     //let wlen = 4;
      3     let wlen = 14;
      4     let (wix, _) = input.chars().collect::<Vec<char>>().windows(wlen).enumerate().find(|(_, win)| {
      5         //println!("checking window {:?}", win.into_iter().map(|ch|{ch.to_owned()}).collect::<Vec<char>>());
      6         let n = win.len();
      7         for i in 0..n {
      8             for j in i..n {
      9                 if i != j && win[i]==win[j] {
     10                     return false;
     11                 }
     12             }
     13         }
     14         return true;
     15     }).expect("no unique sequence!");
     16     println!("Day 6: {}", wix + wlen);
     17 }