33 lines
856 B
Rust
33 lines
856 B
Rust
extern crate queue;
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use std::collections::HashSet;
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use queue::Queue;
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fn main() {
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const INPUT: &str = include_str!("../sample_input.txt");
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let mut buf: Queue<char> = Queue::with_capacity(4);
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let mut msg_buf: Queue<char> = Queue::with_capacity(14);
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let mut found_start = false;
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for (i, c) in INPUT.chars().enumerate() {
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if buf.force_queue(c) == 4 && !found_start {
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let x = HashSet::<&char>::from_iter(buf.vec().iter()).len();
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if x == 4 {
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println!("{} {:?}", i + 1, buf);
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found_start = true;
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}
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}
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if msg_buf.force_queue(c) == 14 {
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let x = HashSet::<&char>::from_iter(msg_buf.vec().iter()).len();
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if x == 14 {
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println!("{} {:?}", i + 1, msg_buf);
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break;
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}
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}
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}
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}
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