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tiny extra check

This commit is contained in:
Jan-Bulthuis 2024-12-07 15:53:41 +01:00
parent a7416ed056
commit 5fb4052cfd
1 changed files with 2 additions and 2 deletions
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4
aoc_2024/src/day7.rs
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@ -34,7 +34,7 @@ fn part1_test(target: i64, remaining: i64, numbers: &[u64]) -> bool {
let num = numbers[numbers.len() - 1] as i64; let num = numbers[numbers.len() - 1] as i64;
let rest = &numbers[0..numbers.len() - 1]; let rest = &numbers[0..numbers.len() - 1];
let mul = remaining % num == 0 && part1_test(target, remaining / num, rest); let mul = remaining % num == 0 && part1_test(target, remaining / num, rest);
let add = part1_test(target, remaining - num, rest); let add = remaining >= num && part1_test(target, remaining - num, rest);
mul || add mul || add
} }
} }
@ -56,7 +56,7 @@ fn part2_test(target: i64, remaining: i64, numbers: &[u64]) -> bool {
let mul = remaining % num == 0 && part2_test(target, remaining / num, rest); let mul = remaining % num == 0 && part2_test(target, remaining / num, rest);
let pow = 10i64.pow(num.ilog10() + 1); let pow = 10i64.pow(num.ilog10() + 1);
let con = remaining % pow == num && part2_test(target, remaining / pow, rest); let con = remaining % pow == num && part2_test(target, remaining / pow, rest);
let add = part2_test(target, remaining - num, rest); let add = remaining >= num && part2_test(target, remaining - num, rest);
mul || con || add mul || con || add
} }
} }