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Submission #703140

# Submission time Handle Problem Language Result Execution time Memory
703140 2023-02-26T08:27:25 Z Cyanmond Cubeword (CEOI19_cubeword) C++17
84 / 100
 1100 ms 138948 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 memo(C, std::vector(C, std::vector(C, std::vector(C, -1ll))));
    std::vector mul(C, std::vector(C, std::vector(C, 0ll)));
    auto solve = [&](std::vector<std::vector<i64>> V) -> i64 {
        for (auto &vecss : memo) {
            for (auto &vecs : vecss) {
                for (auto &vec : vecs) {
                    std::fill(vec.begin(), vec.end(), -1);
                }
            }
        }

        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 104 ms 11864 KB Output is correct
2 Correct 102 ms 11852 KB Output is correct
3 Correct 104 ms 11868 KB Output is correct
4 Correct 106 ms 11840 KB Output is correct
5 Correct 103 ms 11848 KB Output is correct
6 Correct 104 ms 11952 KB Output is correct
7 Correct 104 ms 11820 KB Output is correct
8 Correct 105 ms 11856 KB Output is correct
9 Correct 102 ms 11860 KB Output is correct
10 Correct 104 ms 11832 KB Output is correct
11 Correct 105 ms 11880 KB Output is correct
12 Correct 105 ms 11872 KB Output is correct
13 Correct 103 ms 11856 KB Output is correct
14 Correct 102 ms 11872 KB Output is correct
15 Correct 103 ms 11872 KB Output is correct
16 Correct 105 ms 11900 KB Output is correct
17 Correct 104 ms 11832 KB Output is correct
18 Correct 105 ms 11864 KB Output is correct
19 Correct 105 ms 11856 KB Output is correct
20 Correct 104 ms 11868 KB Output is correct
21 Correct 104 ms 11864 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 11864 KB Output is correct
2 Correct 102 ms 11852 KB Output is correct
3 Correct 104 ms 11868 KB Output is correct
4 Correct 106 ms 11840 KB Output is correct
5 Correct 103 ms 11848 KB Output is correct
6 Correct 104 ms 11952 KB Output is correct
7 Correct 104 ms 11820 KB Output is correct
8 Correct 105 ms 11856 KB Output is correct
9 Correct 102 ms 11860 KB Output is correct
10 Correct 104 ms 11832 KB Output is correct
11 Correct 105 ms 11880 KB Output is correct
12 Correct 105 ms 11872 KB Output is correct
13 Correct 103 ms 11856 KB Output is correct
14 Correct 102 ms 11872 KB Output is correct
15 Correct 103 ms 11872 KB Output is correct
16 Correct 105 ms 11900 KB Output is correct
17 Correct 104 ms 11832 KB Output is correct
18 Correct 105 ms 11864 KB Output is correct
19 Correct 105 ms 11856 KB Output is correct
20 Correct 104 ms 11868 KB Output is correct
21 Correct 104 ms 11864 KB Output is correct
22 Correct 111 ms 12240 KB Output is correct
23 Correct 111 ms 12336 KB Output is correct
24 Correct 108 ms 12256 KB Output is correct
25 Correct 113 ms 12256 KB Output is correct
26 Correct 115 ms 12332 KB Output is correct
27 Correct 111 ms 12304 KB Output is correct
28 Correct 113 ms 12252 KB Output is correct
29 Correct 110 ms 12244 KB Output is correct
30 Correct 113 ms 12248 KB Output is correct
31 Correct 111 ms 12224 KB Output is correct
32 Correct 113 ms 12256 KB Output is correct
33 Correct 112 ms 12336 KB Output is correct
34 Correct 111 ms 12244 KB Output is correct
35 Correct 112 ms 12248 KB Output is correct
36 Correct 113 ms 12256 KB Output is correct
37 Correct 112 ms 12252 KB Output is correct
38 Correct 111 ms 12224 KB Output is correct
39 Correct 113 ms 12372 KB Output is correct
40 Correct 112 ms 12356 KB Output is correct
41 Correct 113 ms 12252 KB Output is correct
42 Correct 111 ms 12252 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 11864 KB Output is correct
2 Correct 102 ms 11852 KB Output is correct
3 Correct 104 ms 11868 KB Output is correct
4 Correct 106 ms 11840 KB Output is correct
5 Correct 103 ms 11848 KB Output is correct
6 Correct 104 ms 11952 KB Output is correct
7 Correct 104 ms 11820 KB Output is correct
8 Correct 105 ms 11856 KB Output is correct
9 Correct 102 ms 11860 KB Output is correct
10 Correct 104 ms 11832 KB Output is correct
11 Correct 105 ms 11880 KB Output is correct
12 Correct 105 ms 11872 KB Output is correct
13 Correct 103 ms 11856 KB Output is correct
14 Correct 102 ms 11872 KB Output is correct
15 Correct 103 ms 11872 KB Output is correct
16 Correct 105 ms 11900 KB Output is correct
17 Correct 104 ms 11832 KB Output is correct
18 Correct 105 ms 11864 KB Output is correct
19 Correct 105 ms 11856 KB Output is correct
20 Correct 104 ms 11868 KB Output is correct
21 Correct 104 ms 11864 KB Output is correct
22 Correct 111 ms 12240 KB Output is correct
23 Correct 111 ms 12336 KB Output is correct
24 Correct 108 ms 12256 KB Output is correct
25 Correct 113 ms 12256 KB Output is correct
26 Correct 115 ms 12332 KB Output is correct
27 Correct 111 ms 12304 KB Output is correct
28 Correct 113 ms 12252 KB Output is correct
29 Correct 110 ms 12244 KB Output is correct
30 Correct 113 ms 12248 KB Output is correct
31 Correct 111 ms 12224 KB Output is correct
32 Correct 113 ms 12256 KB Output is correct
33 Correct 112 ms 12336 KB Output is correct
34 Correct 111 ms 12244 KB Output is correct
35 Correct 112 ms 12248 KB Output is correct
36 Correct 113 ms 12256 KB Output is correct
37 Correct 112 ms 12252 KB Output is correct
38 Correct 111 ms 12224 KB Output is correct
39 Correct 113 ms 12372 KB Output is correct
40 Correct 112 ms 12356 KB Output is correct
41 Correct 113 ms 12252 KB Output is correct
42 Correct 111 ms 12252 KB Output is correct
43 Correct 192 ms 21272 KB Output is correct
44 Correct 187 ms 21388 KB Output is correct
45 Correct 188 ms 21344 KB Output is correct
46 Correct 187 ms 21368 KB Output is correct
47 Correct 188 ms 21356 KB Output is correct
48 Correct 188 ms 21448 KB Output is correct
49 Correct 186 ms 21368 KB Output is correct
50 Correct 190 ms 21460 KB Output is correct
51 Correct 191 ms 21372 KB Output is correct
52 Correct 185 ms 21344 KB Output is correct
53 Correct 185 ms 21340 KB Output is correct
54 Correct 193 ms 21456 KB Output is correct
55 Correct 194 ms 21352 KB Output is correct
56 Correct 185 ms 21336 KB Output is correct
57 Correct 188 ms 21296 KB Output is correct
58 Correct 186 ms 21360 KB Output is correct
59 Correct 185 ms 21336 KB Output is correct
60 Correct 185 ms 21348 KB Output is correct
61 Correct 188 ms 21368 KB Output is correct
62 Correct 185 ms 21460 KB Output is correct
63 Correct 187 ms 21328 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 11864 KB Output is correct
2 Correct 102 ms 11852 KB Output is correct
3 Correct 104 ms 11868 KB Output is correct
4 Correct 106 ms 11840 KB Output is correct
5 Correct 103 ms 11848 KB Output is correct
6 Correct 104 ms 11952 KB Output is correct
7 Correct 104 ms 11820 KB Output is correct
8 Correct 105 ms 11856 KB Output is correct
9 Correct 102 ms 11860 KB Output is correct
10 Correct 104 ms 11832 KB Output is correct
11 Correct 105 ms 11880 KB Output is correct
12 Correct 105 ms 11872 KB Output is correct
13 Correct 103 ms 11856 KB Output is correct
14 Correct 102 ms 11872 KB Output is correct
15 Correct 103 ms 11872 KB Output is correct
16 Correct 105 ms 11900 KB Output is correct
17 Correct 104 ms 11832 KB Output is correct
18 Correct 105 ms 11864 KB Output is correct
19 Correct 105 ms 11856 KB Output is correct
20 Correct 104 ms 11868 KB Output is correct
21 Correct 104 ms 11864 KB Output is correct
22 Correct 111 ms 12240 KB Output is correct
23 Correct 111 ms 12336 KB Output is correct
24 Correct 108 ms 12256 KB Output is correct
25 Correct 113 ms 12256 KB Output is correct
26 Correct 115 ms 12332 KB Output is correct
27 Correct 111 ms 12304 KB Output is correct
28 Correct 113 ms 12252 KB Output is correct
29 Correct 110 ms 12244 KB Output is correct
30 Correct 113 ms 12248 KB Output is correct
31 Correct 111 ms 12224 KB Output is correct
32 Correct 113 ms 12256 KB Output is correct
33 Correct 112 ms 12336 KB Output is correct
34 Correct 111 ms 12244 KB Output is correct
35 Correct 112 ms 12248 KB Output is correct
36 Correct 113 ms 12256 KB Output is correct
37 Correct 112 ms 12252 KB Output is correct
38 Correct 111 ms 12224 KB Output is correct
39 Correct 113 ms 12372 KB Output is correct
40 Correct 112 ms 12356 KB Output is correct
41 Correct 113 ms 12252 KB Output is correct
42 Correct 111 ms 12252 KB Output is correct
43 Correct 192 ms 21272 KB Output is correct
44 Correct 187 ms 21388 KB Output is correct
45 Correct 188 ms 21344 KB Output is correct
46 Correct 187 ms 21368 KB Output is correct
47 Correct 188 ms 21356 KB Output is correct
48 Correct 188 ms 21448 KB Output is correct
49 Correct 186 ms 21368 KB Output is correct
50 Correct 190 ms 21460 KB Output is correct
51 Correct 191 ms 21372 KB Output is correct
52 Correct 185 ms 21344 KB Output is correct
53 Correct 185 ms 21340 KB Output is correct
54 Correct 193 ms 21456 KB Output is correct
55 Correct 194 ms 21352 KB Output is correct
56 Correct 185 ms 21336 KB Output is correct
57 Correct 188 ms 21296 KB Output is correct
58 Correct 186 ms 21360 KB Output is correct
59 Correct 185 ms 21336 KB Output is correct
60 Correct 185 ms 21348 KB Output is correct
61 Correct 188 ms 21368 KB Output is correct
62 Correct 185 ms 21460 KB Output is correct
63 Correct 187 ms 21328 KB Output is correct
64 Execution timed out 1156 ms 138948 KB Time limit exceeded
65 Halted 0 ms 0 KB -