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No commits in common. "a446a05c07a00c9b04ca7b18a1b602d8442eb58a" and "0506dc670a6b5f400518e037b598bd17261c85e2" have entirely different histories.

4 changed files with 0 additions and 36 deletions

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@ -1,8 +0,0 @@
use aoc22::{day6, util};
pub fn main() {
let input = util::parse_input();
let start = day6::parse_datastream(input.as_str(), 4);
println!("Packet starts after {} characters", start + 1);
}

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@ -1,8 +0,0 @@
use aoc22::{day6, util};
pub fn main() {
let input = util::parse_input();
let start = day6::parse_datastream(input.as_str(), 14);
println!("Message starts after {} characters", start + 1);
}

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@ -1,19 +0,0 @@
use std::collections::{HashSet, VecDeque};
pub fn parse_datastream(stream: &str, n_distinct: usize) -> usize {
let mut chars: VecDeque<char> = VecDeque::new();
for (i, char) in stream.chars().enumerate() {
if i >= n_distinct {
chars.pop_front();
}
chars.push_back(char);
if i >= n_distinct - 1 {
let char_set: HashSet<char> = chars.iter().map(char::clone).collect();
if char_set.len() == n_distinct {
return i;
}
}
}
panic!("Couldn't find a start marker!")
}

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@ -3,5 +3,4 @@ pub mod day2;
pub mod day3; pub mod day3;
pub mod day4; pub mod day4;
pub mod day5; pub mod day5;
pub mod day6;
pub mod util; pub mod util;