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Submission #779939

# Submission time Handle Problem Language Result Execution time Memory
779939 2023-07-12T03:32:41 Z mmk Cubeword (CEOI19_cubeword) C++14
100 / 100
 989 ms 17760 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long int
const int ALP = 62;
const int MOD = 998244353;

unordered_set<string> s[15];

int32_t main(void){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n; cin >> n;

    for(int i = 1; i <= n; i++){
        string cur; cin >> cur;

        s[cur.size()].emplace(cur);
        reverse(cur.begin(), cur.end());
        s[cur.size()].emplace(cur);
    }

    auto getId = [&](char c)
    {
        if(c <= '9') return c - '0';
        if(c <= 'Z') return ('9' - '0' + 1) + c - 'A';
        return ('9' - '0' + 1) + ('Z' - 'A') + 1 + c - 'a';
    };

    auto solve = [&](int tam)
    {
        int dp[ALP][ALP][ALP] = { 0 };
        int freq[ALP][ALP] = { 0 };

        for(auto x : s[tam]){
            int i = getId(x[0]), j = getId(x.back());
            freq[i][j]++;
        }

        for(int a = 0; a < ALP; a++)
            for(int b = 0; b < ALP; b++)
                for(int c = 0; c < ALP; c++)
                    for(int i = 0; i < ALP; i++)
                        dp[a][b][c] = (dp[a][b][c] + (freq[a][i] * freq[b][i] * freq[c][i]) % MOD) % MOD;

        int ret = 0;

        for(int a = 0; a < ALP; a++){
            for(int b = 0; b < ALP; b++){
                for(int c = 0; c < ALP; c++){
                    for(int d = 0; d < ALP; d++){
                        int curAdd = 1;

                        curAdd = (curAdd * dp[a][b][c]) % MOD;
                        curAdd = (curAdd * dp[b][c][d]) % MOD;
                        curAdd = (curAdd * dp[a][b][d]) % MOD;
                        curAdd = (curAdd * dp[a][c][d]) % MOD;

                        ret += curAdd;
                    }
                }
            }
        }

        return ret;
    };

    int ans = 0;

    for(int i = 1; i <= 10; i++)
    {
        if(s[i].empty()) continue;
        ans = (ans + solve(i)) % MOD;
    }

    cout << ans << '\n';
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 960 ms 15580 KB Output is correct
2 Correct 955 ms 16420 KB Output is correct
3 Correct 957 ms 16428 KB Output is correct
4 Correct 965 ms 16416 KB Output is correct
5 Correct 955 ms 16408 KB Output is correct
6 Correct 961 ms 16432 KB Output is correct
7 Correct 959 ms 16432 KB Output is correct
8 Correct 967 ms 16432 KB Output is correct
9 Correct 975 ms 16424 KB Output is correct
10 Correct 954 ms 16432 KB Output is correct
11 Correct 950 ms 16424 KB Output is correct
12 Correct 960 ms 16412 KB Output is correct
13 Correct 953 ms 16428 KB Output is correct
14 Correct 963 ms 16424 KB Output is correct
15 Correct 963 ms 16436 KB Output is correct
16 Correct 959 ms 16424 KB Output is correct
17 Correct 963 ms 16428 KB Output is correct
18 Correct 965 ms 16420 KB Output is correct
19 Correct 965 ms 16520 KB Output is correct
20 Correct 960 ms 16432 KB Output is correct
21 Correct 962 ms 16412 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 960 ms 15580 KB Output is correct
2 Correct 955 ms 16420 KB Output is correct
3 Correct 957 ms 16428 KB Output is correct
4 Correct 965 ms 16416 KB Output is correct
5 Correct 955 ms 16408 KB Output is correct
6 Correct 961 ms 16432 KB Output is correct
7 Correct 959 ms 16432 KB Output is correct
8 Correct 967 ms 16432 KB Output is correct
9 Correct 975 ms 16424 KB Output is correct
10 Correct 954 ms 16432 KB Output is correct
11 Correct 950 ms 16424 KB Output is correct
12 Correct 960 ms 16412 KB Output is correct
13 Correct 953 ms 16428 KB Output is correct
14 Correct 963 ms 16424 KB Output is correct
15 Correct 963 ms 16436 KB Output is correct
16 Correct 959 ms 16424 KB Output is correct
17 Correct 963 ms 16428 KB Output is correct
18 Correct 965 ms 16420 KB Output is correct
19 Correct 965 ms 16520 KB Output is correct
20 Correct 960 ms 16432 KB Output is correct
21 Correct 962 ms 16412 KB Output is correct
22 Correct 957 ms 17476 KB Output is correct
23 Correct 961 ms 17472 KB Output is correct
24 Correct 961 ms 17524 KB Output is correct
25 Correct 961 ms 17488 KB Output is correct
26 Correct 967 ms 17472 KB Output is correct
27 Correct 967 ms 17528 KB Output is correct
28 Correct 958 ms 17472 KB Output is correct
29 Correct 961 ms 17480 KB Output is correct
30 Correct 960 ms 17468 KB Output is correct
31 Correct 964 ms 17476 KB Output is correct
32 Correct 971 ms 17460 KB Output is correct
33 Correct 959 ms 17468 KB Output is correct
34 Correct 958 ms 17360 KB Output is correct
35 Correct 979 ms 17472 KB Output is correct
36 Correct 956 ms 17476 KB Output is correct
37 Correct 951 ms 17524 KB Output is correct
38 Correct 957 ms 17472 KB Output is correct
39 Correct 953 ms 17472 KB Output is correct
40 Correct 961 ms 17468 KB Output is correct
41 Correct 957 ms 17472 KB Output is correct
42 Correct 963 ms 17492 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 960 ms 15580 KB Output is correct
2 Correct 955 ms 16420 KB Output is correct
3 Correct 957 ms 16428 KB Output is correct
4 Correct 965 ms 16416 KB Output is correct
5 Correct 955 ms 16408 KB Output is correct
6 Correct 961 ms 16432 KB Output is correct
7 Correct 959 ms 16432 KB Output is correct
8 Correct 967 ms 16432 KB Output is correct
9 Correct 975 ms 16424 KB Output is correct
10 Correct 954 ms 16432 KB Output is correct
11 Correct 950 ms 16424 KB Output is correct
12 Correct 960 ms 16412 KB Output is correct
13 Correct 953 ms 16428 KB Output is correct
14 Correct 963 ms 16424 KB Output is correct
15 Correct 963 ms 16436 KB Output is correct
16 Correct 959 ms 16424 KB Output is correct
17 Correct 963 ms 16428 KB Output is correct
18 Correct 965 ms 16420 KB Output is correct
19 Correct 965 ms 16520 KB Output is correct
20 Correct 960 ms 16432 KB Output is correct
21 Correct 962 ms 16412 KB Output is correct
22 Correct 957 ms 17476 KB Output is correct
23 Correct 961 ms 17472 KB Output is correct
24 Correct 961 ms 17524 KB Output is correct
25 Correct 961 ms 17488 KB Output is correct
26 Correct 967 ms 17472 KB Output is correct
27 Correct 967 ms 17528 KB Output is correct
28 Correct 958 ms 17472 KB Output is correct
29 Correct 961 ms 17480 KB Output is correct
30 Correct 960 ms 17468 KB Output is correct
31 Correct 964 ms 17476 KB Output is correct
32 Correct 971 ms 17460 KB Output is correct
33 Correct 959 ms 17468 KB Output is correct
34 Correct 958 ms 17360 KB Output is correct
35 Correct 979 ms 17472 KB Output is correct
36 Correct 956 ms 17476 KB Output is correct
37 Correct 951 ms 17524 KB Output is correct
38 Correct 957 ms 17472 KB Output is correct
39 Correct 953 ms 17472 KB Output is correct
40 Correct 961 ms 17468 KB Output is correct
41 Correct 957 ms 17472 KB Output is correct
42 Correct 963 ms 17492 KB Output is correct
43 Correct 965 ms 17740 KB Output is correct
44 Correct 958 ms 17752 KB Output is correct
45 Correct 958 ms 17656 KB Output is correct
46 Correct 955 ms 17696 KB Output is correct
47 Correct 958 ms 17604 KB Output is correct
48 Correct 959 ms 17744 KB Output is correct
49 Correct 953 ms 17652 KB Output is correct
50 Correct 961 ms 17752 KB Output is correct
51 Correct 961 ms 17756 KB Output is correct
52 Correct 972 ms 17760 KB Output is correct
53 Correct 962 ms 17736 KB Output is correct
54 Correct 961 ms 17740 KB Output is correct
55 Correct 958 ms 17740 KB Output is correct
56 Correct 964 ms 17744 KB Output is correct
57 Correct 953 ms 17720 KB Output is correct
58 Correct 965 ms 17752 KB Output is correct
59 Correct 957 ms 17736 KB Output is correct
60 Correct 962 ms 17732 KB Output is correct
61 Correct 957 ms 17732 KB Output is correct
62 Correct 967 ms 17616 KB Output is correct
63 Correct 960 ms 17632 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 960 ms 15580 KB Output is correct
2 Correct 955 ms 16420 KB Output is correct
3 Correct 957 ms 16428 KB Output is correct
4 Correct 965 ms 16416 KB Output is correct
5 Correct 955 ms 16408 KB Output is correct
6 Correct 961 ms 16432 KB Output is correct
7 Correct 959 ms 16432 KB Output is correct
8 Correct 967 ms 16432 KB Output is correct
9 Correct 975 ms 16424 KB Output is correct
10 Correct 954 ms 16432 KB Output is correct
11 Correct 950 ms 16424 KB Output is correct
12 Correct 960 ms 16412 KB Output is correct
13 Correct 953 ms 16428 KB Output is correct
14 Correct 963 ms 16424 KB Output is correct
15 Correct 963 ms 16436 KB Output is correct
16 Correct 959 ms 16424 KB Output is correct
17 Correct 963 ms 16428 KB Output is correct
18 Correct 965 ms 16420 KB Output is correct
19 Correct 965 ms 16520 KB Output is correct
20 Correct 960 ms 16432 KB Output is correct
21 Correct 962 ms 16412 KB Output is correct
22 Correct 957 ms 17476 KB Output is correct
23 Correct 961 ms 17472 KB Output is correct
24 Correct 961 ms 17524 KB Output is correct
25 Correct 961 ms 17488 KB Output is correct
26 Correct 967 ms 17472 KB Output is correct
27 Correct 967 ms 17528 KB Output is correct
28 Correct 958 ms 17472 KB Output is correct
29 Correct 961 ms 17480 KB Output is correct
30 Correct 960 ms 17468 KB Output is correct
31 Correct 964 ms 17476 KB Output is correct
32 Correct 971 ms 17460 KB Output is correct
33 Correct 959 ms 17468 KB Output is correct
34 Correct 958 ms 17360 KB Output is correct
35 Correct 979 ms 17472 KB Output is correct
36 Correct 956 ms 17476 KB Output is correct
37 Correct 951 ms 17524 KB Output is correct
38 Correct 957 ms 17472 KB Output is correct
39 Correct 953 ms 17472 KB Output is correct
40 Correct 961 ms 17468 KB Output is correct
41 Correct 957 ms 17472 KB Output is correct
42 Correct 963 ms 17492 KB Output is correct
43 Correct 965 ms 17740 KB Output is correct
44 Correct 958 ms 17752 KB Output is correct
45 Correct 958 ms 17656 KB Output is correct
46 Correct 955 ms 17696 KB Output is correct
47 Correct 958 ms 17604 KB Output is correct
48 Correct 959 ms 17744 KB Output is correct
49 Correct 953 ms 17652 KB Output is correct
50 Correct 961 ms 17752 KB Output is correct
51 Correct 961 ms 17756 KB Output is correct
52 Correct 972 ms 17760 KB Output is correct
53 Correct 962 ms 17736 KB Output is correct
54 Correct 961 ms 17740 KB Output is correct
55 Correct 958 ms 17740 KB Output is correct
56 Correct 964 ms 17744 KB Output is correct
57 Correct 953 ms 17720 KB Output is correct
58 Correct 965 ms 17752 KB Output is correct
59 Correct 957 ms 17736 KB Output is correct
60 Correct 962 ms 17732 KB Output is correct
61 Correct 957 ms 17732 KB Output is correct
62 Correct 967 ms 17616 KB Output is correct
63 Correct 960 ms 17632 KB Output is correct
64 Correct 967 ms 17732 KB Output is correct
65 Correct 970 ms 17400 KB Output is correct
66 Correct 980 ms 17356 KB Output is correct
67 Correct 960 ms 17352 KB Output is correct
68 Correct 963 ms 17352 KB Output is correct
69 Correct 973 ms 17356 KB Output is correct
70 Correct 954 ms 17360 KB Output is correct
71 Correct 989 ms 17244 KB Output is correct
72 Correct 948 ms 17404 KB Output is correct
73 Correct 952 ms 17348 KB Output is correct
74 Correct 960 ms 17356 KB Output is correct
75 Correct 954 ms 17460 KB Output is correct
76 Correct 959 ms 17344 KB Output is correct
77 Correct 955 ms 17328 KB Output is correct
78 Correct 958 ms 17356 KB Output is correct
79 Correct 949 ms 17352 KB Output is correct
80 Correct 965 ms 17352 KB Output is correct
81 Correct 961 ms 17456 KB Output is correct
82 Correct 962 ms 17344 KB Output is correct
83 Correct 972 ms 17456 KB Output is correct
84 Correct 966 ms 17352 KB Output is correct