swaits
ecaa58c3e4
- modularized code into individual day modules - moved utilities into utils module - added unit testing
34 lines
895 B
Rust
34 lines
895 B
Rust
use crate::utils;
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use anyhow::Result;
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fn count_incrementing_windows(window: usize, v: &[i64]) -> usize {
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v[window..].iter().zip(v).filter(|(b, a)| b > a).count()
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}
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pub(crate) fn run() -> Result<(usize, usize)> {
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let data = utils::read_i64s("data/day01.txt")?;
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Ok((
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count_incrementing_windows(1, &data),
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count_incrementing_windows(3, &data),
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))
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_example() {
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let data = utils::read_i64s("data/day01-test.txt").unwrap();
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assert_eq!(count_incrementing_windows(1, &data), 7);
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assert_eq!(count_incrementing_windows(3, &data), 5);
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}
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#[test]
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fn test_my_data() {
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let data = utils::read_i64s("data/day01.txt").unwrap();
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assert_eq!(count_incrementing_windows(1, &data), 1298);
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assert_eq!(count_incrementing_windows(3, &data), 1248);
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}
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}
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