voroskoi/aoc2021-zig - Change RS2AMNWLJ4SD24J3LSOCWW7XG3LHJ4KI2HYYDEA33JZ6YJNBAXOAC

Day01b: simplify the solution, avoid casting

Created by voroskoi on January 8, 2022

RS2AMNWLJ4SD24J3LSOCWW7XG3LHJ4KI2HYYDEA33JZ6YJNBAXOAC

Dependencies

[2] ISKIMCRTCM4ZY34QENDO4AN7ZAKRRBPFLA5MYHXH2K6Q2WKJDZNQC

In channels

main

Change contents

Replacement in src/day01.zig at line 47 [2.125]

B:BD[2.1298] → [2.1298:1474]

            const a = @intCast(u15, values[idx - 3]) + values[idx - 2] + values[idx - 1];
            const b = @intCast(u15, values[idx - 2]) + values[idx - 1] + values[idx];

[2.1298]

[2.1474]

            // as idx-2 and idx-1 are in a and b too, this can be simplified
            // const a = @intCast(u15, values[idx - 3]) + values[idx - 2] + values[idx - 1];
            // const b = @intCast(u15, values[idx - 2]) + values[idx - 1] + values[idx];
            const a = values[idx - 3];
            const b = values[idx];

Replacement in src/day01.zig at line 69 [2.125]

B:BD[2.1763] → [2.1763:1839]

    std.debug.print("Day 1 \tfirst: {d}μs \tsecond: {d}μs\n", .{ f, s });

[2.1763]

[2.1839]

    std.debug.print("Day 1 \t\tfirst: {d}μs \t\tsecond: {d}μs\n", .{ f, s });