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day 5 part 1

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Moritz Gmeiner 2024-12-06 02:06:14 +01:00
commit a79e53da57
7 changed files with 2131 additions and 72 deletions
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24
day1.zig
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@ -41,26 +41,6 @@ pub fn main() !void {
}
}
fn rangeConst(comptime n: usize) [n]usize {
var array: [n]usize = undefined;
for (0.., &array) |i, *elem| {
elem.* = i;
}
return array;
}
fn range(alloc: std.mem.Allocator, n: usize) ![]usize {
var array = try alloc.alloc(usize, n);
for (0..n) |i| {
array[i] = i;
}
return array;
}
fn argsort_cmp(comptime T: type, comptime lessThanFn: fn (ctx: void, lhs: T, rhs: T) bool) (fn ([]const T, usize, usize) bool) {
return struct {
fn cmp(array: []const T, left_idx: usize, right_idx: usize) bool {
@ -94,8 +74,8 @@ fn part1(alloc: std.mem.Allocator, reader: anytype) !u64 {
std.debug.assert(right_list.items.len == num_lines);
const left_idxs = try range(alloc, num_lines);
const right_idxs = try range(alloc, num_lines);
const left_idxs = try utils.range(alloc, num_lines);
const right_idxs = try utils.range(alloc, num_lines);
defer alloc.free(left_idxs);
defer alloc.free(right_idxs);