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Submission #703142

# Submission time Handle Problem Language Result Execution time Memory
703142 2023-02-26T08:28:19 Z Cyanmond Cubeword (CEOI19_cubeword) C++17
100 / 100
 1097 ms 14576 KB 
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>

using i64 = long long;
constexpr int L = 8;
constexpr i64 mod = 998244353;

/*
value of C
subtask 1 : 6
subtask 2 : 16
subtask 3 : 32
subtask 4 : 62
*/

int main() {
    int N;
    std::cin >> N;
    std::vector<std::string> words(N);
    for (auto &e : words) {
        std::cin >> e;
        auto b = e;
        std::reverse(b.begin(), b.end());
        if (e > b) {
            e = b;
        }
    }
    std::sort(words.begin(), words.end());
    words.erase(std::unique(words.begin(), words.end()), words.end());
    N = (int)words.size();

    std::vector<std::vector<int>> W(N);
    std::vector<char> chars;
    for (const auto &e : words) {
        for (const auto c : e) {
            chars.push_back(c);
        }
    }
    std::sort(chars.begin(), chars.end());
    chars.erase(std::unique(chars.begin(), chars.end()), chars.end());
    for (int i = 0; i < N; ++i) {
        for (const auto e : words[i]) {
            W[i].push_back((int)(std::lower_bound(chars.begin(), chars.end(), e) - chars.begin()));
        }
    }
    const int C = chars.size();
    std::array<std::vector<std::vector<i64>>, L> U;
    for (auto &vec : U) {
        vec.resize(C);
        for (auto &vec2 : vec) {
            vec2.assign(C, 0);
        }
    }
    for (int i = 0; i < N; ++i) {
        const int a = (int)W[i].size();
        ++U[a - 3][W[i][0]][W[i][a - 1]];
        auto w2 = W[i];
        std::reverse(w2.begin(), w2.end());
        if (W[i] != w2) {
            ++U[a - 3][w2[0]][w2[a - 1]];
        }
    }

    std::vector mul(C, std::vector(C, std::vector(C, 0ll)));
    auto solve = [&](const std::vector<std::vector<i64>> &V) -> i64 {
        for (int a = 0; a < C; ++a) {
            for (int b = 0; b < C; ++b) {
                for (int c = 0; c < C; ++c) {
                    if (not(a <= b and b <= c)) {
                        int na = a, nb = b, nc = c;
                        if (na > nb) std::swap(na, nb);
                        if (na > nc) std::swap(na, nc);
                        if (nb > nc) std::swap(nb, nc);
                        mul[a][b][c] = mul[na][nb][nc];
                        continue;
                    }
                    i64 s = 0;
                    for (int i = 0; i < C; ++i) {
                        i64 p = V[a][i] * V[b][i] * V[c][i];
                        s += p;
                    }
                    s %= mod;
                    mul[a][b][c] = s;
                }
            }
        }
        auto calc = [&](int a, int b, int c, int d) -> i64 {
            i64 ret = mul[a][b][c];
            ret *= mul[a][b][d];
            ret %= mod;
            ret *= mul[a][c][d];
            ret %= mod;
            ret *= mul[b][c][d];
            ret %= mod;
            return ret;
        };
        i64 res = 0;
        for (int a = 0; a < C; ++a) {
            for (int b = 0; b < C; ++b) {
                for (int c = 0; c < C; ++c) {
                    for (int d = 0; d < C; ++d) {
                        res += calc(a, b, c, d);
                        res %= mod;
                    }
                }
            }
        }
        return res;
    };
    i64 answer = 0;
    for (const auto &e : U) {
        answer += solve(e);
        answer %= mod;
    }
    std::cout << answer << std::endl;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 11804 KB Output is correct
2 Correct 125 ms 11760 KB Output is correct
3 Correct 113 ms 11968 KB Output is correct
4 Correct 112 ms 11864 KB Output is correct
5 Correct 107 ms 11872 KB Output is correct
6 Correct 109 ms 11840 KB Output is correct
7 Correct 128 ms 11852 KB Output is correct
8 Correct 126 ms 11872 KB Output is correct
9 Correct 105 ms 11828 KB Output is correct
10 Correct 105 ms 11860 KB Output is correct
11 Correct 110 ms 11864 KB Output is correct
12 Correct 123 ms 11832 KB Output is correct
13 Correct 122 ms 11864 KB Output is correct
14 Correct 107 ms 11864 KB Output is correct
15 Correct 115 ms 11768 KB Output is correct
16 Correct 111 ms 11868 KB Output is correct
17 Correct 129 ms 11860 KB Output is correct
18 Correct 113 ms 11832 KB Output is correct
19 Correct 108 ms 11852 KB Output is correct
20 Correct 110 ms 11792 KB Output is correct
21 Correct 114 ms 11868 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 11804 KB Output is correct
2 Correct 125 ms 11760 KB Output is correct
3 Correct 113 ms 11968 KB Output is correct
4 Correct 112 ms 11864 KB Output is correct
5 Correct 107 ms 11872 KB Output is correct
6 Correct 109 ms 11840 KB Output is correct
7 Correct 128 ms 11852 KB Output is correct
8 Correct 126 ms 11872 KB Output is correct
9 Correct 105 ms 11828 KB Output is correct
10 Correct 105 ms 11860 KB Output is correct
11 Correct 110 ms 11864 KB Output is correct
12 Correct 123 ms 11832 KB Output is correct
13 Correct 122 ms 11864 KB Output is correct
14 Correct 107 ms 11864 KB Output is correct
15 Correct 115 ms 11768 KB Output is correct
16 Correct 111 ms 11868 KB Output is correct
17 Correct 129 ms 11860 KB Output is correct
18 Correct 113 ms 11832 KB Output is correct
19 Correct 108 ms 11852 KB Output is correct
20 Correct 110 ms 11792 KB Output is correct
21 Correct 114 ms 11868 KB Output is correct
22 Correct 128 ms 11648 KB Output is correct
23 Correct 127 ms 11636 KB Output is correct
24 Correct 116 ms 11612 KB Output is correct
25 Correct 116 ms 11548 KB Output is correct
26 Correct 118 ms 11608 KB Output is correct
27 Correct 122 ms 11612 KB Output is correct
28 Correct 120 ms 11624 KB Output is correct
29 Correct 119 ms 11612 KB Output is correct
30 Correct 114 ms 11592 KB Output is correct
31 Correct 119 ms 11644 KB Output is correct
32 Correct 124 ms 11576 KB Output is correct
33 Correct 151 ms 11732 KB Output is correct
34 Correct 155 ms 11612 KB Output is correct
35 Correct 114 ms 11584 KB Output is correct
36 Correct 117 ms 11652 KB Output is correct
37 Correct 118 ms 11612 KB Output is correct
38 Correct 109 ms 11596 KB Output is correct
39 Correct 113 ms 11600 KB Output is correct
40 Correct 112 ms 11616 KB Output is correct
41 Correct 127 ms 11620 KB Output is correct
42 Correct 125 ms 11600 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 11804 KB Output is correct
2 Correct 125 ms 11760 KB Output is correct
3 Correct 113 ms 11968 KB Output is correct
4 Correct 112 ms 11864 KB Output is correct
5 Correct 107 ms 11872 KB Output is correct
6 Correct 109 ms 11840 KB Output is correct
7 Correct 128 ms 11852 KB Output is correct
8 Correct 126 ms 11872 KB Output is correct
9 Correct 105 ms 11828 KB Output is correct
10 Correct 105 ms 11860 KB Output is correct
11 Correct 110 ms 11864 KB Output is correct
12 Correct 123 ms 11832 KB Output is correct
13 Correct 122 ms 11864 KB Output is correct
14 Correct 107 ms 11864 KB Output is correct
15 Correct 115 ms 11768 KB Output is correct
16 Correct 111 ms 11868 KB Output is correct
17 Correct 129 ms 11860 KB Output is correct
18 Correct 113 ms 11832 KB Output is correct
19 Correct 108 ms 11852 KB Output is correct
20 Correct 110 ms 11792 KB Output is correct
21 Correct 114 ms 11868 KB Output is correct
22 Correct 128 ms 11648 KB Output is correct
23 Correct 127 ms 11636 KB Output is correct
24 Correct 116 ms 11612 KB Output is correct
25 Correct 116 ms 11548 KB Output is correct
26 Correct 118 ms 11608 KB Output is correct
27 Correct 122 ms 11612 KB Output is correct
28 Correct 120 ms 11624 KB Output is correct
29 Correct 119 ms 11612 KB Output is correct
30 Correct 114 ms 11592 KB Output is correct
31 Correct 119 ms 11644 KB Output is correct
32 Correct 124 ms 11576 KB Output is correct
33 Correct 151 ms 11732 KB Output is correct
34 Correct 155 ms 11612 KB Output is correct
35 Correct 114 ms 11584 KB Output is correct
36 Correct 117 ms 11652 KB Output is correct
37 Correct 118 ms 11612 KB Output is correct
38 Correct 109 ms 11596 KB Output is correct
39 Correct 113 ms 11600 KB Output is correct
40 Correct 112 ms 11616 KB Output is correct
41 Correct 127 ms 11620 KB Output is correct
42 Correct 125 ms 11600 KB Output is correct
43 Correct 173 ms 11840 KB Output is correct
44 Correct 172 ms 11844 KB Output is correct
45 Correct 188 ms 11832 KB Output is correct
46 Correct 172 ms 11740 KB Output is correct
47 Correct 176 ms 11728 KB Output is correct
48 Correct 191 ms 11736 KB Output is correct
49 Correct 174 ms 11740 KB Output is correct
50 Correct 173 ms 11748 KB Output is correct
51 Correct 184 ms 11836 KB Output is correct
52 Correct 174 ms 11712 KB Output is correct
53 Correct 172 ms 11840 KB Output is correct
54 Correct 196 ms 11740 KB Output is correct
55 Correct 182 ms 11732 KB Output is correct
56 Correct 175 ms 11876 KB Output is correct
57 Correct 176 ms 11740 KB Output is correct
58 Correct 175 ms 11740 KB Output is correct
59 Correct 174 ms 11836 KB Output is correct
60 Correct 170 ms 11740 KB Output is correct
61 Correct 179 ms 11744 KB Output is correct
62 Correct 175 ms 11820 KB Output is correct
63 Correct 174 ms 11832 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 11804 KB Output is correct
2 Correct 125 ms 11760 KB Output is correct
3 Correct 113 ms 11968 KB Output is correct
4 Correct 112 ms 11864 KB Output is correct
5 Correct 107 ms 11872 KB Output is correct
6 Correct 109 ms 11840 KB Output is correct
7 Correct 128 ms 11852 KB Output is correct
8 Correct 126 ms 11872 KB Output is correct
9 Correct 105 ms 11828 KB Output is correct
10 Correct 105 ms 11860 KB Output is correct
11 Correct 110 ms 11864 KB Output is correct
12 Correct 123 ms 11832 KB Output is correct
13 Correct 122 ms 11864 KB Output is correct
14 Correct 107 ms 11864 KB Output is correct
15 Correct 115 ms 11768 KB Output is correct
16 Correct 111 ms 11868 KB Output is correct
17 Correct 129 ms 11860 KB Output is correct
18 Correct 113 ms 11832 KB Output is correct
19 Correct 108 ms 11852 KB Output is correct
20 Correct 110 ms 11792 KB Output is correct
21 Correct 114 ms 11868 KB Output is correct
22 Correct 128 ms 11648 KB Output is correct
23 Correct 127 ms 11636 KB Output is correct
24 Correct 116 ms 11612 KB Output is correct
25 Correct 116 ms 11548 KB Output is correct
26 Correct 118 ms 11608 KB Output is correct
27 Correct 122 ms 11612 KB Output is correct
28 Correct 120 ms 11624 KB Output is correct
29 Correct 119 ms 11612 KB Output is correct
30 Correct 114 ms 11592 KB Output is correct
31 Correct 119 ms 11644 KB Output is correct
32 Correct 124 ms 11576 KB Output is correct
33 Correct 151 ms 11732 KB Output is correct
34 Correct 155 ms 11612 KB Output is correct
35 Correct 114 ms 11584 KB Output is correct
36 Correct 117 ms 11652 KB Output is correct
37 Correct 118 ms 11612 KB Output is correct
38 Correct 109 ms 11596 KB Output is correct
39 Correct 113 ms 11600 KB Output is correct
40 Correct 112 ms 11616 KB Output is correct
41 Correct 127 ms 11620 KB Output is correct
42 Correct 125 ms 11600 KB Output is correct
43 Correct 173 ms 11840 KB Output is correct
44 Correct 172 ms 11844 KB Output is correct
45 Correct 188 ms 11832 KB Output is correct
46 Correct 172 ms 11740 KB Output is correct
47 Correct 176 ms 11728 KB Output is correct
48 Correct 191 ms 11736 KB Output is correct
49 Correct 174 ms 11740 KB Output is correct
50 Correct 173 ms 11748 KB Output is correct
51 Correct 184 ms 11836 KB Output is correct
52 Correct 174 ms 11712 KB Output is correct
53 Correct 172 ms 11840 KB Output is correct
54 Correct 196 ms 11740 KB Output is correct
55 Correct 182 ms 11732 KB Output is correct
56 Correct 175 ms 11876 KB Output is correct
57 Correct 176 ms 11740 KB Output is correct
58 Correct 175 ms 11740 KB Output is correct
59 Correct 174 ms 11836 KB Output is correct
60 Correct 170 ms 11740 KB Output is correct
61 Correct 179 ms 11744 KB Output is correct
62 Correct 175 ms 11820 KB Output is correct
63 Correct 174 ms 11832 KB Output is correct
64 Correct 988 ms 13800 KB Output is correct
65 Correct 991 ms 14556 KB Output is correct
66 Correct 1010 ms 14568 KB Output is correct
67 Correct 1010 ms 14544 KB Output is correct
68 Correct 998 ms 14536 KB Output is correct
69 Correct 985 ms 14544 KB Output is correct
70 Correct 992 ms 14528 KB Output is correct
71 Correct 986 ms 14532 KB Output is correct
72 Correct 1020 ms 14544 KB Output is correct
73 Correct 1006 ms 14576 KB Output is correct
74 Correct 1079 ms 14552 KB Output is correct
75 Correct 1080 ms 14532 KB Output is correct
76 Correct 1082 ms 14544 KB Output is correct
77 Correct 1096 ms 14536 KB Output is correct
78 Correct 1068 ms 14544 KB Output is correct
79 Correct 1014 ms 14536 KB Output is correct
80 Correct 1051 ms 14536 KB Output is correct
81 Correct 1097 ms 14548 KB Output is correct
82 Correct 1047 ms 14544 KB Output is correct
83 Correct 988 ms 14548 KB Output is correct
84 Correct 1004 ms 14544 KB Output is correct