Advent of Code

Check-in [f0e101dfbf]
Login

Check-in [f0e101dfbf]

Overview
Comment:brought 202422 down to under 10 minutes
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | trunk
Files: files | file ages | folders
SHA3-256: f0e101dfbf600a976f7b539ba9281fc3f0034ffbf1a15dbe0214a6713b8263af
User & Date: nnz on 2025-01-12 17:28:18
Other Links: manifest | tags
Context
2025-01-12
17:28
brought 202422 down to under 10 minutes Leaf check-in: f0e101dfbf user: nnz tags: trunk
15:44
202422 2nd star -- brute force 30 mins runtime check-in: 367ff5ba4e user: nnz tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified aoc2024.c from [0631d1d281] to [bea59ec839].

︙︙
51
52
53
54
55
56
57



58






59









60
61
62
63
64
65
66

    }
    printf("The sum of all 2000th secrets is {%llu}.\n", sum2000);

    int c[4];
    int maxbananas = 0, totalbananas = 0;
    for (c[0] = -9; c[0] < 10; c[0]++) {
        for (c[1] = -9; c[1] < 10; c[1]++) {



            for (c[2] = -9; c[2] < 10; c[2]++) {






                for (c[3] = -9; c[3] < 10; c[3]++) {









                    totalbananas = 0;
                    for (size_t s = 0; s < nsecrets; s++) {
                        int bananas = 0;
                        unsigned long long sec[2] = {0, secrets[s]};
                        int delta[4];
                        //round0
                        nextsecret(sec);








>
>
>

>
>
>
>
>
>

>
>
>
>
>
>
>
>
>








51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84

    }
    printf("The sum of all 2000th secrets is {%llu}.\n", sum2000);

    int c[4];
    int maxbananas = 0, totalbananas = 0;
    for (c[0] = -9; c[0] < 10; c[0]++) {
        for (c[1] = -9; c[1] < 10; c[1]++) {
            int c0c1 = c[0] + c[1];
            if (c0c1 < -9) continue;
            if (c0c1 > 9) continue;
            for (c[2] = -9; c[2] < 10; c[2]++) {
                int c1c2 = c[1] + c[2];
                int c0c1c2 = c[0] + c1c2;
                if (c1c2 < -9) continue;
                if (c1c2 > 9) continue;
                if (c0c1c2 < -9) continue;
                if (c0c1c2 > 9) continue;
                for (c[3] = -9; c[3] < 10; c[3]++) {
                    int c2c3 = c[2] + c[3];
                    int c1c2c3 = c1c2 + c[3];
                    int c0c1c2c3 = c0c1 + c2c3;
                    if (c2c3 < -9) continue;
                    if (c2c3 > 9) continue;
                    if (c1c2c3 < -9) continue;
                    if (c1c2c3 > 9) continue;
                    if (c0c1c2c3 < -9) continue;
                    if (c0c1c2c3 > 9) continue;
                    totalbananas = 0;
                    for (size_t s = 0; s < nsecrets; s++) {
                        int bananas = 0;
                        unsigned long long sec[2] = {0, secrets[s]};
                        int delta[4];
                        //round0
                        nextsecret(sec);
︙︙