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nora 2023-12-02 20:48:30 +01:00
parent 29ff6d5241
commit 267b9e8c3d
1 changed files with 7 additions and 4 deletions
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11
2023/day1/src/no_lines.rs
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@ -48,16 +48,17 @@ pub unsafe fn part2(input: &str) {
// like: u64::from_be_bytes([0, 0, 0, b't', b'h', b'g', b'i', b'e']) // like: u64::from_be_bytes([0, 0, 0, b't', b'h', b'g', b'i', b'e'])
u64::from_be_bytes(bytes) u64::from_be_bytes(bytes)
} }
let mut acc = 0;
macro_rules! check { macro_rules! check {
($const:ident $len:ident == $str:expr => $value:expr) => { ($const:ident $len:ident == $str:expr => $value:expr) => {
const $const: u64 = gorble($str); const $const: u64 = gorble($str);
digits[line_idx] |= (if $len == $const { $value } else { 0 }); acc |= (if $len == $const { $value } else { 0 });
}; };
} }
assert!(line_idx < digits.len()); acc |= if one >= b'0' && one <= b'9' { one } else { 0 };
digits[line_idx] |= if one >= b'0' && one <= b'9' { one } else { 0 };
check!(EIGHT five == b"eight" => b'8'); check!(EIGHT five == b"eight" => b'8');
check!(SEVEN five == b"seven" => b'7'); check!(SEVEN five == b"seven" => b'7');
@ -71,6 +72,8 @@ pub unsafe fn part2(input: &str) {
check!(TWO three == b"two" => b'2'); check!(TWO three == b"two" => b'2');
check!(ONE three == b"one" => b'1'); check!(ONE three == b"one" => b'1');
digits[line_idx] = acc;
byte_idx += 1; byte_idx += 1;
line_idx += 1; line_idx += 1;
} }