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remove unnecessary bounds check

This commit is contained in:
kageru 2023-12-04 17:58:03 +01:00
parent 0f19847480
commit 857a7cd8fe
1 changed files with 3 additions and 5 deletions
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8
2023/src/bin/day04.rs
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@ -32,11 +32,9 @@ fn part1(parsed: &Parsed) -> I {
fn part2(parsed: &Parsed) -> I {
let mut cards = vec![1; parsed.len()];
for (i, card) in parsed.iter().enumerate() {
let _: Option<()> = try {
for j in 1..=*card {
*cards.get_mut(i + j)? += cards[i];
}
};
for j in 1..=*card {
cards[i + j] += cards[i];
}
}
cards.iter().sum()
}