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Submission #779512

# Submission time Handle Problem Language Result Execution time Memory
779512 2023-07-11T13:37:30 Z Hacv16 Cubeword (CEOI19_cubeword) C++17
100 / 100
 1041 ms 18124 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 964 ms 16436 KB Output is correct
2 Correct 968 ms 16428 KB Output is correct
3 Correct 953 ms 16436 KB Output is correct
4 Correct 981 ms 16420 KB Output is correct
5 Correct 963 ms 16436 KB Output is correct
6 Correct 963 ms 16428 KB Output is correct
7 Correct 1010 ms 16436 KB Output is correct
8 Correct 995 ms 16436 KB Output is correct
9 Correct 957 ms 16408 KB Output is correct
10 Correct 965 ms 16432 KB Output is correct
11 Correct 979 ms 16320 KB Output is correct
12 Correct 949 ms 16408 KB Output is correct
13 Correct 996 ms 16444 KB Output is correct
14 Correct 955 ms 16428 KB Output is correct
15 Correct 970 ms 16436 KB Output is correct
16 Correct 981 ms 16424 KB Output is correct
17 Correct 958 ms 16428 KB Output is correct
18 Correct 1006 ms 16424 KB Output is correct
19 Correct 975 ms 16420 KB Output is correct
20 Correct 967 ms 16440 KB Output is correct
21 Correct 988 ms 16424 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 964 ms 16436 KB Output is correct
2 Correct 968 ms 16428 KB Output is correct
3 Correct 953 ms 16436 KB Output is correct
4 Correct 981 ms 16420 KB Output is correct
5 Correct 963 ms 16436 KB Output is correct
6 Correct 963 ms 16428 KB Output is correct
7 Correct 1010 ms 16436 KB Output is correct
8 Correct 995 ms 16436 KB Output is correct
9 Correct 957 ms 16408 KB Output is correct
10 Correct 965 ms 16432 KB Output is correct
11 Correct 979 ms 16320 KB Output is correct
12 Correct 949 ms 16408 KB Output is correct
13 Correct 996 ms 16444 KB Output is correct
14 Correct 955 ms 16428 KB Output is correct
15 Correct 970 ms 16436 KB Output is correct
16 Correct 981 ms 16424 KB Output is correct
17 Correct 958 ms 16428 KB Output is correct
18 Correct 1006 ms 16424 KB Output is correct
19 Correct 975 ms 16420 KB Output is correct
20 Correct 967 ms 16440 KB Output is correct
21 Correct 988 ms 16424 KB Output is correct
22 Correct 977 ms 17476 KB Output is correct
23 Correct 977 ms 17476 KB Output is correct
24 Correct 1000 ms 17488 KB Output is correct
25 Correct 996 ms 17472 KB Output is correct
26 Correct 981 ms 17488 KB Output is correct
27 Correct 958 ms 17472 KB Output is correct
28 Correct 954 ms 17480 KB Output is correct
29 Correct 966 ms 17484 KB Output is correct
30 Correct 960 ms 17476 KB Output is correct
31 Correct 993 ms 17436 KB Output is correct
32 Correct 960 ms 17460 KB Output is correct
33 Correct 989 ms 17472 KB Output is correct
34 Correct 993 ms 17476 KB Output is correct
35 Correct 1041 ms 17472 KB Output is correct
36 Correct 1000 ms 17476 KB Output is correct
37 Correct 1036 ms 17476 KB Output is correct
38 Correct 1034 ms 17480 KB Output is correct
39 Correct 974 ms 17476 KB Output is correct
40 Correct 1022 ms 17476 KB Output is correct
41 Correct 1008 ms 17472 KB Output is correct
42 Correct 1037 ms 17484 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 964 ms 16436 KB Output is correct
2 Correct 968 ms 16428 KB Output is correct
3 Correct 953 ms 16436 KB Output is correct
4 Correct 981 ms 16420 KB Output is correct
5 Correct 963 ms 16436 KB Output is correct
6 Correct 963 ms 16428 KB Output is correct
7 Correct 1010 ms 16436 KB Output is correct
8 Correct 995 ms 16436 KB Output is correct
9 Correct 957 ms 16408 KB Output is correct
10 Correct 965 ms 16432 KB Output is correct
11 Correct 979 ms 16320 KB Output is correct
12 Correct 949 ms 16408 KB Output is correct
13 Correct 996 ms 16444 KB Output is correct
14 Correct 955 ms 16428 KB Output is correct
15 Correct 970 ms 16436 KB Output is correct
16 Correct 981 ms 16424 KB Output is correct
17 Correct 958 ms 16428 KB Output is correct
18 Correct 1006 ms 16424 KB Output is correct
19 Correct 975 ms 16420 KB Output is correct
20 Correct 967 ms 16440 KB Output is correct
21 Correct 988 ms 16424 KB Output is correct
22 Correct 977 ms 17476 KB Output is correct
23 Correct 977 ms 17476 KB Output is correct
24 Correct 1000 ms 17488 KB Output is correct
25 Correct 996 ms 17472 KB Output is correct
26 Correct 981 ms 17488 KB Output is correct
27 Correct 958 ms 17472 KB Output is correct
28 Correct 954 ms 17480 KB Output is correct
29 Correct 966 ms 17484 KB Output is correct
30 Correct 960 ms 17476 KB Output is correct
31 Correct 993 ms 17436 KB Output is correct
32 Correct 960 ms 17460 KB Output is correct
33 Correct 989 ms 17472 KB Output is correct
34 Correct 993 ms 17476 KB Output is correct
35 Correct 1041 ms 17472 KB Output is correct
36 Correct 1000 ms 17476 KB Output is correct
37 Correct 1036 ms 17476 KB Output is correct
38 Correct 1034 ms 17480 KB Output is correct
39 Correct 974 ms 17476 KB Output is correct
40 Correct 1022 ms 17476 KB Output is correct
41 Correct 1008 ms 17472 KB Output is correct
42 Correct 1037 ms 17484 KB Output is correct
43 Correct 971 ms 17752 KB Output is correct
44 Correct 994 ms 17752 KB Output is correct
45 Correct 1014 ms 17744 KB Output is correct
46 Correct 1010 ms 17740 KB Output is correct
47 Correct 980 ms 17744 KB Output is correct
48 Correct 1022 ms 17744 KB Output is correct
49 Correct 1002 ms 17716 KB Output is correct
50 Correct 989 ms 17756 KB Output is correct
51 Correct 966 ms 17696 KB Output is correct
52 Correct 971 ms 17732 KB Output is correct
53 Correct 976 ms 17760 KB Output is correct
54 Correct 988 ms 17748 KB Output is correct
55 Correct 971 ms 17736 KB Output is correct
56 Correct 954 ms 17756 KB Output is correct
57 Correct 979 ms 17768 KB Output is correct
58 Correct 985 ms 17744 KB Output is correct
59 Correct 992 ms 17740 KB Output is correct
60 Correct 970 ms 17736 KB Output is correct
61 Correct 998 ms 17732 KB Output is correct
62 Correct 969 ms 17732 KB Output is correct
63 Correct 976 ms 17736 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 964 ms 16436 KB Output is correct
2 Correct 968 ms 16428 KB Output is correct
3 Correct 953 ms 16436 KB Output is correct
4 Correct 981 ms 16420 KB Output is correct
5 Correct 963 ms 16436 KB Output is correct
6 Correct 963 ms 16428 KB Output is correct
7 Correct 1010 ms 16436 KB Output is correct
8 Correct 995 ms 16436 KB Output is correct
9 Correct 957 ms 16408 KB Output is correct
10 Correct 965 ms 16432 KB Output is correct
11 Correct 979 ms 16320 KB Output is correct
12 Correct 949 ms 16408 KB Output is correct
13 Correct 996 ms 16444 KB Output is correct
14 Correct 955 ms 16428 KB Output is correct
15 Correct 970 ms 16436 KB Output is correct
16 Correct 981 ms 16424 KB Output is correct
17 Correct 958 ms 16428 KB Output is correct
18 Correct 1006 ms 16424 KB Output is correct
19 Correct 975 ms 16420 KB Output is correct
20 Correct 967 ms 16440 KB Output is correct
21 Correct 988 ms 16424 KB Output is correct
22 Correct 977 ms 17476 KB Output is correct
23 Correct 977 ms 17476 KB Output is correct
24 Correct 1000 ms 17488 KB Output is correct
25 Correct 996 ms 17472 KB Output is correct
26 Correct 981 ms 17488 KB Output is correct
27 Correct 958 ms 17472 KB Output is correct
28 Correct 954 ms 17480 KB Output is correct
29 Correct 966 ms 17484 KB Output is correct
30 Correct 960 ms 17476 KB Output is correct
31 Correct 993 ms 17436 KB Output is correct
32 Correct 960 ms 17460 KB Output is correct
33 Correct 989 ms 17472 KB Output is correct
34 Correct 993 ms 17476 KB Output is correct
35 Correct 1041 ms 17472 KB Output is correct
36 Correct 1000 ms 17476 KB Output is correct
37 Correct 1036 ms 17476 KB Output is correct
38 Correct 1034 ms 17480 KB Output is correct
39 Correct 974 ms 17476 KB Output is correct
40 Correct 1022 ms 17476 KB Output is correct
41 Correct 1008 ms 17472 KB Output is correct
42 Correct 1037 ms 17484 KB Output is correct
43 Correct 971 ms 17752 KB Output is correct
44 Correct 994 ms 17752 KB Output is correct
45 Correct 1014 ms 17744 KB Output is correct
46 Correct 1010 ms 17740 KB Output is correct
47 Correct 980 ms 17744 KB Output is correct
48 Correct 1022 ms 17744 KB Output is correct
49 Correct 1002 ms 17716 KB Output is correct
50 Correct 989 ms 17756 KB Output is correct
51 Correct 966 ms 17696 KB Output is correct
52 Correct 971 ms 17732 KB Output is correct
53 Correct 976 ms 17760 KB Output is correct
54 Correct 988 ms 17748 KB Output is correct
55 Correct 971 ms 17736 KB Output is correct
56 Correct 954 ms 17756 KB Output is correct
57 Correct 979 ms 17768 KB Output is correct
58 Correct 985 ms 17744 KB Output is correct
59 Correct 992 ms 17740 KB Output is correct
60 Correct 970 ms 17736 KB Output is correct
61 Correct 998 ms 17732 KB Output is correct
62 Correct 969 ms 17732 KB Output is correct
63 Correct 976 ms 17736 KB Output is correct
64 Correct 965 ms 18084 KB Output is correct
65 Correct 975 ms 18084 KB Output is correct
66 Correct 986 ms 18096 KB Output is correct
67 Correct 955 ms 18088 KB Output is correct
68 Correct 974 ms 18092 KB Output is correct
69 Correct 972 ms 18088 KB Output is correct
70 Correct 959 ms 18092 KB Output is correct
71 Correct 965 ms 17996 KB Output is correct
72 Correct 965 ms 18100 KB Output is correct
73 Correct 965 ms 18092 KB Output is correct
74 Correct 962 ms 18088 KB Output is correct
75 Correct 967 ms 18080 KB Output is correct
76 Correct 975 ms 18084 KB Output is correct
77 Correct 969 ms 18088 KB Output is correct
78 Correct 960 ms 18088 KB Output is correct
79 Correct 962 ms 18124 KB Output is correct
80 Correct 967 ms 18096 KB Output is correct
81 Correct 981 ms 18092 KB Output is correct
82 Correct 979 ms 18092 KB Output is correct
83 Correct 961 ms 18096 KB Output is correct
84 Correct 955 ms 18088 KB Output is correct