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Submission #703130

# Submission time Handle Problem Language Result Execution time Memory
703130 2023-02-26T08:03:15 Z Cyanmond Cubeword (CEOI19_cubeword) C++17
50 / 100
 1100 ms 12864 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 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 104 ms 11832 KB Output is correct
2 Correct 108 ms 12728 KB Output is correct
3 Correct 105 ms 12724 KB Output is correct
4 Correct 108 ms 12736 KB Output is correct
5 Correct 107 ms 12724 KB Output is correct
6 Correct 104 ms 12720 KB Output is correct
7 Correct 108 ms 12864 KB Output is correct
8 Correct 104 ms 12732 KB Output is correct
9 Correct 104 ms 12720 KB Output is correct
10 Correct 107 ms 12724 KB Output is correct
11 Correct 108 ms 12724 KB Output is correct
12 Correct 103 ms 12732 KB Output is correct
13 Correct 107 ms 12732 KB Output is correct
14 Correct 104 ms 12736 KB Output is correct
15 Correct 104 ms 12740 KB Output is correct
16 Correct 109 ms 12784 KB Output is correct
17 Correct 106 ms 12720 KB Output is correct
18 Correct 106 ms 12704 KB Output is correct
19 Correct 106 ms 12628 KB Output is correct
20 Correct 104 ms 12720 KB Output is correct
21 Correct 106 ms 12736 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 11832 KB Output is correct
2 Correct 108 ms 12728 KB Output is correct
3 Correct 105 ms 12724 KB Output is correct
4 Correct 108 ms 12736 KB Output is correct
5 Correct 107 ms 12724 KB Output is correct
6 Correct 104 ms 12720 KB Output is correct
7 Correct 108 ms 12864 KB Output is correct
8 Correct 104 ms 12732 KB Output is correct
9 Correct 104 ms 12720 KB Output is correct
10 Correct 107 ms 12724 KB Output is correct
11 Correct 108 ms 12724 KB Output is correct
12 Correct 103 ms 12732 KB Output is correct
13 Correct 107 ms 12732 KB Output is correct
14 Correct 104 ms 12736 KB Output is correct
15 Correct 104 ms 12740 KB Output is correct
16 Correct 109 ms 12784 KB Output is correct
17 Correct 106 ms 12720 KB Output is correct
18 Correct 106 ms 12704 KB Output is correct
19 Correct 106 ms 12628 KB Output is correct
20 Correct 104 ms 12720 KB Output is correct
21 Correct 106 ms 12736 KB Output is correct
22 Correct 284 ms 12384 KB Output is correct
23 Correct 279 ms 12260 KB Output is correct
24 Correct 280 ms 12384 KB Output is correct
25 Correct 280 ms 12384 KB Output is correct
26 Correct 287 ms 12480 KB Output is correct
27 Correct 280 ms 12332 KB Output is correct
28 Correct 280 ms 12352 KB Output is correct
29 Correct 284 ms 12380 KB Output is correct
30 Correct 283 ms 12584 KB Output is correct
31 Correct 298 ms 12372 KB Output is correct
32 Correct 288 ms 12352 KB Output is correct
33 Correct 283 ms 12376 KB Output is correct
34 Correct 285 ms 12632 KB Output is correct
35 Correct 280 ms 12380 KB Output is correct
36 Correct 293 ms 12480 KB Output is correct
37 Correct 281 ms 12500 KB Output is correct
38 Correct 281 ms 12380 KB Output is correct
39 Correct 284 ms 12388 KB Output is correct
40 Correct 288 ms 12500 KB Output is correct
41 Correct 282 ms 12500 KB Output is correct
42 Correct 287 ms 12352 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 11832 KB Output is correct
2 Correct 108 ms 12728 KB Output is correct
3 Correct 105 ms 12724 KB Output is correct
4 Correct 108 ms 12736 KB Output is correct
5 Correct 107 ms 12724 KB Output is correct
6 Correct 104 ms 12720 KB Output is correct
7 Correct 108 ms 12864 KB Output is correct
8 Correct 104 ms 12732 KB Output is correct
9 Correct 104 ms 12720 KB Output is correct
10 Correct 107 ms 12724 KB Output is correct
11 Correct 108 ms 12724 KB Output is correct
12 Correct 103 ms 12732 KB Output is correct
13 Correct 107 ms 12732 KB Output is correct
14 Correct 104 ms 12736 KB Output is correct
15 Correct 104 ms 12740 KB Output is correct
16 Correct 109 ms 12784 KB Output is correct
17 Correct 106 ms 12720 KB Output is correct
18 Correct 106 ms 12704 KB Output is correct
19 Correct 106 ms 12628 KB Output is correct
20 Correct 104 ms 12720 KB Output is correct
21 Correct 106 ms 12736 KB Output is correct
22 Correct 284 ms 12384 KB Output is correct
23 Correct 279 ms 12260 KB Output is correct
24 Correct 280 ms 12384 KB Output is correct
25 Correct 280 ms 12384 KB Output is correct
26 Correct 287 ms 12480 KB Output is correct
27 Correct 280 ms 12332 KB Output is correct
28 Correct 280 ms 12352 KB Output is correct
29 Correct 284 ms 12380 KB Output is correct
30 Correct 283 ms 12584 KB Output is correct
31 Correct 298 ms 12372 KB Output is correct
32 Correct 288 ms 12352 KB Output is correct
33 Correct 283 ms 12376 KB Output is correct
34 Correct 285 ms 12632 KB Output is correct
35 Correct 280 ms 12380 KB Output is correct
36 Correct 293 ms 12480 KB Output is correct
37 Correct 281 ms 12500 KB Output is correct
38 Correct 281 ms 12380 KB Output is correct
39 Correct 284 ms 12388 KB Output is correct
40 Correct 288 ms 12500 KB Output is correct
41 Correct 282 ms 12500 KB Output is correct
42 Correct 287 ms 12352 KB Output is correct
43 Execution timed out 1178 ms 12220 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 11832 KB Output is correct
2 Correct 108 ms 12728 KB Output is correct
3 Correct 105 ms 12724 KB Output is correct
4 Correct 108 ms 12736 KB Output is correct
5 Correct 107 ms 12724 KB Output is correct
6 Correct 104 ms 12720 KB Output is correct
7 Correct 108 ms 12864 KB Output is correct
8 Correct 104 ms 12732 KB Output is correct
9 Correct 104 ms 12720 KB Output is correct
10 Correct 107 ms 12724 KB Output is correct
11 Correct 108 ms 12724 KB Output is correct
12 Correct 103 ms 12732 KB Output is correct
13 Correct 107 ms 12732 KB Output is correct
14 Correct 104 ms 12736 KB Output is correct
15 Correct 104 ms 12740 KB Output is correct
16 Correct 109 ms 12784 KB Output is correct
17 Correct 106 ms 12720 KB Output is correct
18 Correct 106 ms 12704 KB Output is correct
19 Correct 106 ms 12628 KB Output is correct
20 Correct 104 ms 12720 KB Output is correct
21 Correct 106 ms 12736 KB Output is correct
22 Correct 284 ms 12384 KB Output is correct
23 Correct 279 ms 12260 KB Output is correct
24 Correct 280 ms 12384 KB Output is correct
25 Correct 280 ms 12384 KB Output is correct
26 Correct 287 ms 12480 KB Output is correct
27 Correct 280 ms 12332 KB Output is correct
28 Correct 280 ms 12352 KB Output is correct
29 Correct 284 ms 12380 KB Output is correct
30 Correct 283 ms 12584 KB Output is correct
31 Correct 298 ms 12372 KB Output is correct
32 Correct 288 ms 12352 KB Output is correct
33 Correct 283 ms 12376 KB Output is correct
34 Correct 285 ms 12632 KB Output is correct
35 Correct 280 ms 12380 KB Output is correct
36 Correct 293 ms 12480 KB Output is correct
37 Correct 281 ms 12500 KB Output is correct
38 Correct 281 ms 12380 KB Output is correct
39 Correct 284 ms 12388 KB Output is correct
40 Correct 288 ms 12500 KB Output is correct
41 Correct 282 ms 12500 KB Output is correct
42 Correct 287 ms 12352 KB Output is correct
43 Execution timed out 1178 ms 12220 KB Time limit exceeded
44 Halted 0 ms 0 KB -