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slightly nicer layout

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Adam Millerchip 2022-08-11 18:55:26 +09:00
parent ba09492857
commit 8a7dab06d2
1 changed files with 8 additions and 10 deletions
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18
2020/zig/src/day01.zig
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@ -18,33 +18,31 @@ pub fn main() !void {
i = i + 1; i = i + 1;
} }
try part1(buffer[0..i]); print("Part 1: {d}\n", .{part1(buffer[0..i])});
try part2(buffer[0..i]); print("Part 2: {d}\n", .{part2(buffer[0..i])});
} }
fn part1(input: []u16) !void { fn part1(input: []u16) u32 {
for (input) |a, i| { for (input) |a, i| {
for (input[(i+1)..]) |b| { for (input[(i+1)..]) |b| {
if (a + b == 2020) { if (a + b == 2020) {
const answer = @as(u32, a) * b; return @as(u32, a) * b;
print("Part1: {d}\n", .{answer});
return;
} }
} }
} }
return 0;
} }
fn part2(input: []u16) !void { fn part2(input: []u16) u32 {
for (input) |a, i| { for (input) |a, i| {
for (input[(i+1)..]) |b, j| { for (input[(i+1)..]) |b, j| {
for (input[(j+1)..]) |c| { for (input[(j+1)..]) |c| {
if (a + b + c == 2020) { if (a + b + c == 2020) {
const answer = @as(u32, a) * b * c; return @as(u32, a) * b * c;
print("Part2: {d}\n", .{answer});
return;
} }
} }
} }
} }
return 0;
} }