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Submission #703956

# Submission time Handle Problem Language Result Execution time Memory
703956 2023-03-01T06:09:07 Z LittleCube Cubeword (CEOI19_cubeword) C++14
100 / 100
 242 ms 9040 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define F first
#define S second
using namespace std;

const int C = 62;
const ll mod = 998'244'353;
int N;
vector<string> v[11];
ll ans, way[C][C][C], edge[C][C], mul[2][2][2];

int id(char c)
{
    if ('a' <= c && c <= 'z')
        return c - 'a';
    else if ('A' <= c && c <= 'Z')
        return c - 'A' + 26;
    else
        return c - '0' + 52;
}

signed main()
{
    cin >> N;
    mul[0][0][0] = 24;
    mul[1][0][0] = mul[0][1][0] = mul[0][0][1] = 12;
    mul[1][1][0] = mul[0][1][1] = 4;
    mul[1][0][1] = 6;
    mul[1][1][1] = 1;

    for (int i = 1; i <= N; i++)
    {
        string s;
        cin >> s;
        v[s.size()].emplace_back(s);
        reverse(s.begin(), s.end());
        v[s.size()].emplace_back(s);
    }
    for (int s = 3; s <= 10; s++)
    {
        sort(v[s].begin(), v[s].end());
        v[s].resize(unique(v[s].begin(), v[s].end()) - v[s].begin());
        for (int i = 0; i < C; i++)
            for (int j = i; j < C; j++)
                for (int k = j; k < C; k++)
                    way[i][j][k] = 0;
        for (int i = 0; i < C; i++)
            for (int j = 0; j < C; j++)
                edge[i][j] = 0;

        for (auto t : v[s])
            edge[id(t.front())][id(t.back())]++;

        for (int i = 0; i < C; i++)
            for (int j = i; j < C; j++)
                for (int k = j; k < C; k++)
                    for (int l = 0; l < C; l++)
                        way[i][j][k] = (way[i][j][k] + edge[l][i] * edge[l][j] % mod * edge[l][k]) % mod;

        for (int i = 0; i < C; i++)
            for (int j = i; j < C; j++)
                for (int k = j; k < C; k++)
                    for (int l = k; l < C; l++)
                        ans = (ans + way[i][j][k] * way[i][j][l] % mod * way[i][k][l] % mod * way[j][k][l] % mod * mul[i == j][j == k][k == l]) % mod;
    }
    cout << ans << '\n';
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 8004 KB Output is correct
2 Correct 239 ms 8092 KB Output is correct
3 Correct 239 ms 8144 KB Output is correct
4 Correct 208 ms 8084 KB Output is correct
5 Correct 203 ms 8228 KB Output is correct
6 Correct 214 ms 8148 KB Output is correct
7 Correct 212 ms 8128 KB Output is correct
8 Correct 191 ms 8076 KB Output is correct
9 Correct 214 ms 8128 KB Output is correct
10 Correct 209 ms 8164 KB Output is correct
11 Correct 198 ms 8232 KB Output is correct
12 Correct 199 ms 8080 KB Output is correct
13 Correct 201 ms 8168 KB Output is correct
14 Correct 203 ms 8184 KB Output is correct
15 Correct 206 ms 8040 KB Output is correct
16 Correct 189 ms 8236 KB Output is correct
17 Correct 198 ms 8172 KB Output is correct
18 Correct 195 ms 8124 KB Output is correct
19 Correct 217 ms 8136 KB Output is correct
20 Correct 204 ms 8020 KB Output is correct
21 Correct 239 ms 7940 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 8004 KB Output is correct
2 Correct 239 ms 8092 KB Output is correct
3 Correct 239 ms 8144 KB Output is correct
4 Correct 208 ms 8084 KB Output is correct
5 Correct 203 ms 8228 KB Output is correct
6 Correct 214 ms 8148 KB Output is correct
7 Correct 212 ms 8128 KB Output is correct
8 Correct 191 ms 8076 KB Output is correct
9 Correct 214 ms 8128 KB Output is correct
10 Correct 209 ms 8164 KB Output is correct
11 Correct 198 ms 8232 KB Output is correct
12 Correct 199 ms 8080 KB Output is correct
13 Correct 201 ms 8168 KB Output is correct
14 Correct 203 ms 8184 KB Output is correct
15 Correct 206 ms 8040 KB Output is correct
16 Correct 189 ms 8236 KB Output is correct
17 Correct 198 ms 8172 KB Output is correct
18 Correct 195 ms 8124 KB Output is correct
19 Correct 217 ms 8136 KB Output is correct
20 Correct 204 ms 8020 KB Output is correct
21 Correct 239 ms 7940 KB Output is correct
22 Correct 217 ms 7808 KB Output is correct
23 Correct 212 ms 7820 KB Output is correct
24 Correct 207 ms 8192 KB Output is correct
25 Correct 198 ms 8064 KB Output is correct
26 Correct 223 ms 8000 KB Output is correct
27 Correct 239 ms 8072 KB Output is correct
28 Correct 202 ms 7876 KB Output is correct
29 Correct 242 ms 7912 KB Output is correct
30 Correct 223 ms 7912 KB Output is correct
31 Correct 197 ms 8204 KB Output is correct
32 Correct 217 ms 7900 KB Output is correct
33 Correct 225 ms 7912 KB Output is correct
34 Correct 195 ms 7960 KB Output is correct
35 Correct 208 ms 8116 KB Output is correct
36 Correct 212 ms 7988 KB Output is correct
37 Correct 207 ms 7908 KB Output is correct
38 Correct 210 ms 8272 KB Output is correct
39 Correct 200 ms 7912 KB Output is correct
40 Correct 192 ms 7924 KB Output is correct
41 Correct 196 ms 8028 KB Output is correct
42 Correct 197 ms 7864 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 8004 KB Output is correct
2 Correct 239 ms 8092 KB Output is correct
3 Correct 239 ms 8144 KB Output is correct
4 Correct 208 ms 8084 KB Output is correct
5 Correct 203 ms 8228 KB Output is correct
6 Correct 214 ms 8148 KB Output is correct
7 Correct 212 ms 8128 KB Output is correct
8 Correct 191 ms 8076 KB Output is correct
9 Correct 214 ms 8128 KB Output is correct
10 Correct 209 ms 8164 KB Output is correct
11 Correct 198 ms 8232 KB Output is correct
12 Correct 199 ms 8080 KB Output is correct
13 Correct 201 ms 8168 KB Output is correct
14 Correct 203 ms 8184 KB Output is correct
15 Correct 206 ms 8040 KB Output is correct
16 Correct 189 ms 8236 KB Output is correct
17 Correct 198 ms 8172 KB Output is correct
18 Correct 195 ms 8124 KB Output is correct
19 Correct 217 ms 8136 KB Output is correct
20 Correct 204 ms 8020 KB Output is correct
21 Correct 239 ms 7940 KB Output is correct
22 Correct 217 ms 7808 KB Output is correct
23 Correct 212 ms 7820 KB Output is correct
24 Correct 207 ms 8192 KB Output is correct
25 Correct 198 ms 8064 KB Output is correct
26 Correct 223 ms 8000 KB Output is correct
27 Correct 239 ms 8072 KB Output is correct
28 Correct 202 ms 7876 KB Output is correct
29 Correct 242 ms 7912 KB Output is correct
30 Correct 223 ms 7912 KB Output is correct
31 Correct 197 ms 8204 KB Output is correct
32 Correct 217 ms 7900 KB Output is correct
33 Correct 225 ms 7912 KB Output is correct
34 Correct 195 ms 7960 KB Output is correct
35 Correct 208 ms 8116 KB Output is correct
36 Correct 212 ms 7988 KB Output is correct
37 Correct 207 ms 7908 KB Output is correct
38 Correct 210 ms 8272 KB Output is correct
39 Correct 200 ms 7912 KB Output is correct
40 Correct 192 ms 7924 KB Output is correct
41 Correct 196 ms 8028 KB Output is correct
42 Correct 197 ms 7864 KB Output is correct
43 Correct 200 ms 7884 KB Output is correct
44 Correct 202 ms 8008 KB Output is correct
45 Correct 194 ms 8104 KB Output is correct
46 Correct 192 ms 7908 KB Output is correct
47 Correct 190 ms 7896 KB Output is correct
48 Correct 198 ms 7916 KB Output is correct
49 Correct 199 ms 8292 KB Output is correct
50 Correct 208 ms 8312 KB Output is correct
51 Correct 206 ms 8168 KB Output is correct
52 Correct 205 ms 7840 KB Output is correct
53 Correct 214 ms 7812 KB Output is correct
54 Correct 214 ms 7912 KB Output is correct
55 Correct 222 ms 7976 KB Output is correct
56 Correct 202 ms 7912 KB Output is correct
57 Correct 206 ms 7928 KB Output is correct
58 Correct 205 ms 7996 KB Output is correct
59 Correct 196 ms 8160 KB Output is correct
60 Correct 192 ms 8172 KB Output is correct
61 Correct 218 ms 7916 KB Output is correct
62 Correct 196 ms 8044 KB Output is correct
63 Correct 220 ms 7912 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 8004 KB Output is correct
2 Correct 239 ms 8092 KB Output is correct
3 Correct 239 ms 8144 KB Output is correct
4 Correct 208 ms 8084 KB Output is correct
5 Correct 203 ms 8228 KB Output is correct
6 Correct 214 ms 8148 KB Output is correct
7 Correct 212 ms 8128 KB Output is correct
8 Correct 191 ms 8076 KB Output is correct
9 Correct 214 ms 8128 KB Output is correct
10 Correct 209 ms 8164 KB Output is correct
11 Correct 198 ms 8232 KB Output is correct
12 Correct 199 ms 8080 KB Output is correct
13 Correct 201 ms 8168 KB Output is correct
14 Correct 203 ms 8184 KB Output is correct
15 Correct 206 ms 8040 KB Output is correct
16 Correct 189 ms 8236 KB Output is correct
17 Correct 198 ms 8172 KB Output is correct
18 Correct 195 ms 8124 KB Output is correct
19 Correct 217 ms 8136 KB Output is correct
20 Correct 204 ms 8020 KB Output is correct
21 Correct 239 ms 7940 KB Output is correct
22 Correct 217 ms 7808 KB Output is correct
23 Correct 212 ms 7820 KB Output is correct
24 Correct 207 ms 8192 KB Output is correct
25 Correct 198 ms 8064 KB Output is correct
26 Correct 223 ms 8000 KB Output is correct
27 Correct 239 ms 8072 KB Output is correct
28 Correct 202 ms 7876 KB Output is correct
29 Correct 242 ms 7912 KB Output is correct
30 Correct 223 ms 7912 KB Output is correct
31 Correct 197 ms 8204 KB Output is correct
32 Correct 217 ms 7900 KB Output is correct
33 Correct 225 ms 7912 KB Output is correct
34 Correct 195 ms 7960 KB Output is correct
35 Correct 208 ms 8116 KB Output is correct
36 Correct 212 ms 7988 KB Output is correct
37 Correct 207 ms 7908 KB Output is correct
38 Correct 210 ms 8272 KB Output is correct
39 Correct 200 ms 7912 KB Output is correct
40 Correct 192 ms 7924 KB Output is correct
41 Correct 196 ms 8028 KB Output is correct
42 Correct 197 ms 7864 KB Output is correct
43 Correct 200 ms 7884 KB Output is correct
44 Correct 202 ms 8008 KB Output is correct
45 Correct 194 ms 8104 KB Output is correct
46 Correct 192 ms 7908 KB Output is correct
47 Correct 190 ms 7896 KB Output is correct
48 Correct 198 ms 7916 KB Output is correct
49 Correct 199 ms 8292 KB Output is correct
50 Correct 208 ms 8312 KB Output is correct
51 Correct 206 ms 8168 KB Output is correct
52 Correct 205 ms 7840 KB Output is correct
53 Correct 214 ms 7812 KB Output is correct
54 Correct 214 ms 7912 KB Output is correct
55 Correct 222 ms 7976 KB Output is correct
56 Correct 202 ms 7912 KB Output is correct
57 Correct 206 ms 7928 KB Output is correct
58 Correct 205 ms 7996 KB Output is correct
59 Correct 196 ms 8160 KB Output is correct
60 Correct 192 ms 8172 KB Output is correct
61 Correct 218 ms 7916 KB Output is correct
62 Correct 196 ms 8044 KB Output is correct
63 Correct 220 ms 7912 KB Output is correct
64 Correct 208 ms 7916 KB Output is correct
65 Correct 204 ms 7908 KB Output is correct
66 Correct 216 ms 7892 KB Output is correct
67 Correct 199 ms 8136 KB Output is correct
68 Correct 189 ms 7800 KB Output is correct
69 Correct 239 ms 8272 KB Output is correct
70 Correct 214 ms 8008 KB Output is correct
71 Correct 192 ms 7880 KB Output is correct
72 Correct 204 ms 7912 KB Output is correct
73 Correct 200 ms 8644 KB Output is correct
74 Correct 195 ms 8968 KB Output is correct
75 Correct 205 ms 8832 KB Output is correct
76 Correct 207 ms 8668 KB Output is correct
77 Correct 201 ms 8656 KB Output is correct
78 Correct 211 ms 8612 KB Output is correct
79 Correct 197 ms 8644 KB Output is correct
80 Correct 197 ms 8912 KB Output is correct
81 Correct 196 ms 8916 KB Output is correct
82 Correct 194 ms 8908 KB Output is correct
83 Correct 212 ms 8980 KB Output is correct
84 Correct 195 ms 9040 KB Output is correct