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Dereference at call site

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This commit is contained in:
George Thomas 2025-12-19 15:36:17 +00:00
parent 73ea25236f
commit 17f4b83fc0
1 changed files with 3 additions and 3 deletions
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6
rust/puzzles/day3.rs
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@ -54,7 +54,7 @@ fn max_batteries(n: usize, v: &[u8]) -> Option<Vec<u8>> {
while remaining > 0 { while remaining > 0 {
match find_max(&slice[..slice.len() - remaining + 1]) { match find_max(&slice[..slice.len() - remaining + 1]) {
Some((b, i)) => { Some((b, i)) => {
result.push(b); result.push(*b);
remaining -= 1; remaining -= 1;
slice = &slice[i + 1..]; slice = &slice[i + 1..];
} }
@ -64,12 +64,12 @@ fn max_batteries(n: usize, v: &[u8]) -> Option<Vec<u8>> {
Some(result) Some(result)
} }
fn find_max<A: Ord + Copy>(v: &[A]) -> Option<(A, usize)> { fn find_max<A: Ord + Copy>(v: &[A]) -> Option<(&A, usize)> {
v.iter() v.iter()
.enumerate() .enumerate()
.rev() .rev()
.max_by_key(|x| x.1) .max_by_key(|x| x.1)
.map(|(n, x)| (*x, n)) .map(|(n, x)| (x, n))
} }
fn digits_to_int(digits: &[u8]) -> usize { fn digits_to_int(digits: &[u8]) -> usize {