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Submission #703131

# Submission time Handle Problem Language Result Execution time Memory
703131 2023-02-26T08:04:41 Z Cyanmond Cubeword (CEOI19_cubeword) C++17
50 / 100
 1100 ms 14720 KB 
#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]];
        }
    }

    auto solve = [&](std::vector<std::vector<i64>> V) -> i64 {
        // C^8
        std::map<std::array<int, 4>, i64> memo;

        auto calc = [&](std::array<int, 4> cList) -> i64 {
            i64 ret = 1;
            for (int x = 0; x < 4; ++x) {
                i64 s = 0;
                for (int i = 0; i < C; ++i) {
                    i64 c = 1;
                    for (int j = 0; j < 4; ++j) {
                        if (x != j) c *= V[cList[j]][i];
                    }
                    s += c;
                    s %= mod;
                }
                ret *= s;
                ret %= mod;
            }
            return memo[cList] = 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) {
                        std::array<int, 4> list = {{a, b, c, d}};
                        std::sort(list.begin(), list.end());
                        if (memo.find(list) != memo.end()) {
                            res += memo[list];
                        } else {
                            res += calc(list);
                        }
                        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 107 ms 11856 KB Output is correct
2 Correct 106 ms 11980 KB Output is correct
3 Correct 110 ms 11876 KB Output is correct
4 Correct 115 ms 11864 KB Output is correct
5 Correct 106 ms 11860 KB Output is correct
6 Correct 104 ms 11864 KB Output is correct
7 Correct 128 ms 11832 KB Output is correct
8 Correct 113 ms 11876 KB Output is correct
9 Correct 107 ms 11812 KB Output is correct
10 Correct 107 ms 11852 KB Output is correct
11 Correct 105 ms 11768 KB Output is correct
12 Correct 111 ms 11852 KB Output is correct
13 Correct 109 ms 11868 KB Output is correct
14 Correct 105 ms 11868 KB Output is correct
15 Correct 105 ms 11860 KB Output is correct
16 Correct 122 ms 11948 KB Output is correct
17 Correct 109 ms 11864 KB Output is correct
18 Correct 108 ms 11872 KB Output is correct
19 Correct 105 ms 11876 KB Output is correct
20 Correct 105 ms 11832 KB Output is correct
21 Correct 111 ms 11876 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 11856 KB Output is correct
2 Correct 106 ms 11980 KB Output is correct
3 Correct 110 ms 11876 KB Output is correct
4 Correct 115 ms 11864 KB Output is correct
5 Correct 106 ms 11860 KB Output is correct
6 Correct 104 ms 11864 KB Output is correct
7 Correct 128 ms 11832 KB Output is correct
8 Correct 113 ms 11876 KB Output is correct
9 Correct 107 ms 11812 KB Output is correct
10 Correct 107 ms 11852 KB Output is correct
11 Correct 105 ms 11768 KB Output is correct
12 Correct 111 ms 11852 KB Output is correct
13 Correct 109 ms 11868 KB Output is correct
14 Correct 105 ms 11868 KB Output is correct
15 Correct 105 ms 11860 KB Output is correct
16 Correct 122 ms 11948 KB Output is correct
17 Correct 109 ms 11864 KB Output is correct
18 Correct 108 ms 11872 KB Output is correct
19 Correct 105 ms 11876 KB Output is correct
20 Correct 105 ms 11832 KB Output is correct
21 Correct 111 ms 11876 KB Output is correct
22 Correct 242 ms 11852 KB Output is correct
23 Correct 238 ms 11876 KB Output is correct
24 Correct 252 ms 11968 KB Output is correct
25 Correct 238 ms 11840 KB Output is correct
26 Correct 244 ms 11840 KB Output is correct
27 Correct 249 ms 11868 KB Output is correct
28 Correct 244 ms 11852 KB Output is correct
29 Correct 265 ms 11740 KB Output is correct
30 Correct 237 ms 11968 KB Output is correct
31 Correct 246 ms 11840 KB Output is correct
32 Correct 267 ms 11844 KB Output is correct
33 Correct 242 ms 11728 KB Output is correct
34 Correct 250 ms 11740 KB Output is correct
35 Correct 256 ms 11728 KB Output is correct
36 Correct 239 ms 11968 KB Output is correct
37 Correct 251 ms 11848 KB Output is correct
38 Correct 241 ms 11724 KB Output is correct
39 Correct 267 ms 11728 KB Output is correct
40 Correct 239 ms 11908 KB Output is correct
41 Correct 247 ms 11860 KB Output is correct
42 Correct 252 ms 11868 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 11856 KB Output is correct
2 Correct 106 ms 11980 KB Output is correct
3 Correct 110 ms 11876 KB Output is correct
4 Correct 115 ms 11864 KB Output is correct
5 Correct 106 ms 11860 KB Output is correct
6 Correct 104 ms 11864 KB Output is correct
7 Correct 128 ms 11832 KB Output is correct
8 Correct 113 ms 11876 KB Output is correct
9 Correct 107 ms 11812 KB Output is correct
10 Correct 107 ms 11852 KB Output is correct
11 Correct 105 ms 11768 KB Output is correct
12 Correct 111 ms 11852 KB Output is correct
13 Correct 109 ms 11868 KB Output is correct
14 Correct 105 ms 11868 KB Output is correct
15 Correct 105 ms 11860 KB Output is correct
16 Correct 122 ms 11948 KB Output is correct
17 Correct 109 ms 11864 KB Output is correct
18 Correct 108 ms 11872 KB Output is correct
19 Correct 105 ms 11876 KB Output is correct
20 Correct 105 ms 11832 KB Output is correct
21 Correct 111 ms 11876 KB Output is correct
22 Correct 242 ms 11852 KB Output is correct
23 Correct 238 ms 11876 KB Output is correct
24 Correct 252 ms 11968 KB Output is correct
25 Correct 238 ms 11840 KB Output is correct
26 Correct 244 ms 11840 KB Output is correct
27 Correct 249 ms 11868 KB Output is correct
28 Correct 244 ms 11852 KB Output is correct
29 Correct 265 ms 11740 KB Output is correct
30 Correct 237 ms 11968 KB Output is correct
31 Correct 246 ms 11840 KB Output is correct
32 Correct 267 ms 11844 KB Output is correct
33 Correct 242 ms 11728 KB Output is correct
34 Correct 250 ms 11740 KB Output is correct
35 Correct 256 ms 11728 KB Output is correct
36 Correct 239 ms 11968 KB Output is correct
37 Correct 251 ms 11848 KB Output is correct
38 Correct 241 ms 11724 KB Output is correct
39 Correct 267 ms 11728 KB Output is correct
40 Correct 239 ms 11908 KB Output is correct
41 Correct 247 ms 11860 KB Output is correct
42 Correct 252 ms 11868 KB Output is correct
43 Execution timed out 1189 ms 14720 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 11856 KB Output is correct
2 Correct 106 ms 11980 KB Output is correct
3 Correct 110 ms 11876 KB Output is correct
4 Correct 115 ms 11864 KB Output is correct
5 Correct 106 ms 11860 KB Output is correct
6 Correct 104 ms 11864 KB Output is correct
7 Correct 128 ms 11832 KB Output is correct
8 Correct 113 ms 11876 KB Output is correct
9 Correct 107 ms 11812 KB Output is correct
10 Correct 107 ms 11852 KB Output is correct
11 Correct 105 ms 11768 KB Output is correct
12 Correct 111 ms 11852 KB Output is correct
13 Correct 109 ms 11868 KB Output is correct
14 Correct 105 ms 11868 KB Output is correct
15 Correct 105 ms 11860 KB Output is correct
16 Correct 122 ms 11948 KB Output is correct
17 Correct 109 ms 11864 KB Output is correct
18 Correct 108 ms 11872 KB Output is correct
19 Correct 105 ms 11876 KB Output is correct
20 Correct 105 ms 11832 KB Output is correct
21 Correct 111 ms 11876 KB Output is correct
22 Correct 242 ms 11852 KB Output is correct
23 Correct 238 ms 11876 KB Output is correct
24 Correct 252 ms 11968 KB Output is correct
25 Correct 238 ms 11840 KB Output is correct
26 Correct 244 ms 11840 KB Output is correct
27 Correct 249 ms 11868 KB Output is correct
28 Correct 244 ms 11852 KB Output is correct
29 Correct 265 ms 11740 KB Output is correct
30 Correct 237 ms 11968 KB Output is correct
31 Correct 246 ms 11840 KB Output is correct
32 Correct 267 ms 11844 KB Output is correct
33 Correct 242 ms 11728 KB Output is correct
34 Correct 250 ms 11740 KB Output is correct
35 Correct 256 ms 11728 KB Output is correct
36 Correct 239 ms 11968 KB Output is correct
37 Correct 251 ms 11848 KB Output is correct
38 Correct 241 ms 11724 KB Output is correct
39 Correct 267 ms 11728 KB Output is correct
40 Correct 239 ms 11908 KB Output is correct
41 Correct 247 ms 11860 KB Output is correct
42 Correct 252 ms 11868 KB Output is correct
43 Execution timed out 1189 ms 14720 KB Time limit exceeded
44 Halted 0 ms 0 KB -