oj.uz

Submission #533214

# Submission time Handle Problem Language Result Execution time Memory
533214 2022-03-05T06:39:54 Z wenqi Cubeword (CEOI19_cubeword) C++17
100 / 100
 906 ms 23408 KB 
// trans rights

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

#define MOD 998244353
#define H 62

int N;
unordered_set<string> problems[11][H];
int pre[11][H][H];
int cnt[11][H][H][H];
int mapping[256];

bool is_palindrome(const string& word)
{
    return equal(word.begin(), word.end(), word.rbegin());
}

ll mul(ll x, ll y)
{
    ll h = x * y;
    if (h >= MOD) h %= MOD;
    return h;
}

template <typename ...Args>
ll mul(ll x, ll y, Args&&... args)
{
    return mul(mul(x, y), forward<Args>(args)...);
}

int main(int argc, const char *argv[])
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    for (int x = 'a'; x <= 'z'; x++)
    {
        mapping[x] = x - 'a';
    }
    for (int x = 'A'; x <= 'Z'; x++)
    {
        mapping[x] = x - 'A' + 26;
    }
    for (int x = '0'; x <= '9'; x++)
    {
        mapping[x] = x - '0' + 52;
    }
    cin >> N;
    for (int k = 0; k < N; k++)
    {
        string word;
        cin >> word;
        problems[word.size()][mapping[word[0]]].insert(word);

        reverse(word.begin(), word.end());
        problems[word.size()][mapping[word[0]]].insert(word);
    }
    int ans = 0;

    for (int sz = 3; sz <= 10; sz++)
    {
        for (int start = 0; start < H; start++)
        {
            for (auto &word : problems[sz][start])
            {
                pre[sz][start][mapping[word.back()]]++;
            }
        }
    }

    for (int sz = 3; sz <= 10; sz++)
    {
        for (int start = 0; start < H; start++)
        {
            auto &A = pre[sz][start];
            for (int x = 0; x < H; x++)
            {
                if (A[x] == 0)
                    continue;

                for (int y = 0; y < H; y++)
                {
                    if (A[y] == 0)
                        continue;

                    for (int z = 0; z < H; z++)
                    {
                        cnt[sz][x][y][z] += mul(A[x], A[y], A[z]);
                        if (cnt[sz][x][y][z] >= MOD) cnt[sz][x][y][z] -= MOD;
                    }
                }
            }
        }
    }

    for (int sz = 3; sz <= 10; sz++)
    {
        for (int x = 0; x < H; x++)
        {
            for (int y = 0; y < H; y++)
            {
                for (int z = 0; z < H; z++)
                {
                    if (cnt[sz][x][y][z] == 0)
                        continue;

                    for (int w = 0; w < H; w++)
                    {
                        ans += mul(cnt[sz][x][y][z], cnt[sz][x][y][w], cnt[sz][x][z][w], cnt[sz][y][z][w]);
                        if (ans >= MOD) ans -= MOD;
                    }
                }
            }
        }
    }

    cout << ans;
    return 0;
}

Compilation message

cubeword.cpp: In function 'int main(int, const char**)':
cubeword.cpp:56:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   56 |         problems[word.size()][mapping[word[0]]].insert(word);
      |                                              ^
cubeword.cpp:59:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   59 |         problems[word.size()][mapping[word[0]]].insert(word);
      |                                              ^
cubeword.cpp:69:49: warning: array subscript has type 'char' [-Wchar-subscripts]
   69 |                 pre[sz][start][mapping[word.back()]]++;
      |                                        ~~~~~~~~~^~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 14532 KB Output is correct
2 Correct 103 ms 14756 KB Output is correct
3 Correct 104 ms 14684 KB Output is correct
4 Correct 90 ms 14780 KB Output is correct
5 Correct 104 ms 14784 KB Output is correct
6 Correct 93 ms 14692 KB Output is correct
7 Correct 100 ms 14932 KB Output is correct
8 Correct 100 ms 14796 KB Output is correct
9 Correct 100 ms 14744 KB Output is correct
10 Correct 104 ms 14684 KB Output is correct
11 Correct 87 ms 14736 KB Output is correct
12 Correct 89 ms 14660 KB Output is correct
13 Correct 87 ms 14772 KB Output is correct
14 Correct 90 ms 14772 KB Output is correct
15 Correct 94 ms 14716 KB Output is correct
16 Correct 101 ms 14684 KB Output is correct
17 Correct 107 ms 14880 KB Output is correct
18 Correct 88 ms 14780 KB Output is correct
19 Correct 101 ms 14660 KB Output is correct
20 Correct 105 ms 14744 KB Output is correct
21 Correct 91 ms 14688 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 14532 KB Output is correct
2 Correct 103 ms 14756 KB Output is correct
3 Correct 104 ms 14684 KB Output is correct
4 Correct 90 ms 14780 KB Output is correct
5 Correct 104 ms 14784 KB Output is correct
6 Correct 93 ms 14692 KB Output is correct
7 Correct 100 ms 14932 KB Output is correct
8 Correct 100 ms 14796 KB Output is correct
9 Correct 100 ms 14744 KB Output is correct
10 Correct 104 ms 14684 KB Output is correct
11 Correct 87 ms 14736 KB Output is correct
12 Correct 89 ms 14660 KB Output is correct
13 Correct 87 ms 14772 KB Output is correct
14 Correct 90 ms 14772 KB Output is correct
15 Correct 94 ms 14716 KB Output is correct
16 Correct 101 ms 14684 KB Output is correct
17 Correct 107 ms 14880 KB Output is correct
18 Correct 88 ms 14780 KB Output is correct
19 Correct 101 ms 14660 KB Output is correct
20 Correct 105 ms 14744 KB Output is correct
21 Correct 91 ms 14688 KB Output is correct
22 Correct 127 ms 15940 KB Output is correct
23 Correct 118 ms 15852 KB Output is correct
24 Correct 125 ms 15836 KB Output is correct
25 Correct 115 ms 15864 KB Output is correct
26 Correct 109 ms 15924 KB Output is correct
27 Correct 108 ms 15852 KB Output is correct
28 Correct 101 ms 15856 KB Output is correct
29 Correct 120 ms 15932 KB Output is correct
30 Correct 101 ms 15928 KB Output is correct
31 Correct 122 ms 15940 KB Output is correct
32 Correct 102 ms 15840 KB Output is correct
33 Correct 134 ms 15908 KB Output is correct
34 Correct 116 ms 15852 KB Output is correct
35 Correct 103 ms 15840 KB Output is correct
36 Correct 116 ms 15952 KB Output is correct
37 Correct 132 ms 15828 KB Output is correct
38 Correct 109 ms 15932 KB Output is correct
39 Correct 102 ms 16008 KB Output is correct
40 Correct 119 ms 16036 KB Output is correct
41 Correct 122 ms 15932 KB Output is correct
42 Correct 114 ms 15888 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 14532 KB Output is correct
2 Correct 103 ms 14756 KB Output is correct
3 Correct 104 ms 14684 KB Output is correct
4 Correct 90 ms 14780 KB Output is correct
5 Correct 104 ms 14784 KB Output is correct
6 Correct 93 ms 14692 KB Output is correct
7 Correct 100 ms 14932 KB Output is correct
8 Correct 100 ms 14796 KB Output is correct
9 Correct 100 ms 14744 KB Output is correct
10 Correct 104 ms 14684 KB Output is correct
11 Correct 87 ms 14736 KB Output is correct
12 Correct 89 ms 14660 KB Output is correct
13 Correct 87 ms 14772 KB Output is correct
14 Correct 90 ms 14772 KB Output is correct
15 Correct 94 ms 14716 KB Output is correct
16 Correct 101 ms 14684 KB Output is correct
17 Correct 107 ms 14880 KB Output is correct
18 Correct 88 ms 14780 KB Output is correct
19 Correct 101 ms 14660 KB Output is correct
20 Correct 105 ms 14744 KB Output is correct
21 Correct 91 ms 14688 KB Output is correct
22 Correct 127 ms 15940 KB Output is correct
23 Correct 118 ms 15852 KB Output is correct
24 Correct 125 ms 15836 KB Output is correct
25 Correct 115 ms 15864 KB Output is correct
26 Correct 109 ms 15924 KB Output is correct
27 Correct 108 ms 15852 KB Output is correct
28 Correct 101 ms 15856 KB Output is correct
29 Correct 120 ms 15932 KB Output is correct
30 Correct 101 ms 15928 KB Output is correct
31 Correct 122 ms 15940 KB Output is correct
32 Correct 102 ms 15840 KB Output is correct
33 Correct 134 ms 15908 KB Output is correct
34 Correct 116 ms 15852 KB Output is correct
35 Correct 103 ms 15840 KB Output is correct
36 Correct 116 ms 15952 KB Output is correct
37 Correct 132 ms 15828 KB Output is correct
38 Correct 109 ms 15932 KB Output is correct
39 Correct 102 ms 16008 KB Output is correct
40 Correct 119 ms 16036 KB Output is correct
41 Correct 122 ms 15932 KB Output is correct
42 Correct 114 ms 15888 KB Output is correct
43 Correct 189 ms 18824 KB Output is correct
44 Correct 221 ms 18952 KB Output is correct
45 Correct 202 ms 18848 KB Output is correct
46 Correct 199 ms 18700 KB Output is correct
47 Correct 216 ms 18788 KB Output is correct
48 Correct 186 ms 18808 KB Output is correct
49 Correct 219 ms 18872 KB Output is correct
50 Correct 236 ms 18852 KB Output is correct
51 Correct 187 ms 18756 KB Output is correct
52 Correct 191 ms 18756 KB Output is correct
53 Correct 265 ms 18864 KB Output is correct
54 Correct 194 ms 18844 KB Output is correct
55 Correct 189 ms 18740 KB Output is correct
56 Correct 189 ms 18576 KB Output is correct
57 Correct 223 ms 18480 KB Output is correct
58 Correct 194 ms 18488 KB Output is correct
59 Correct 191 ms 18600 KB Output is correct
60 Correct 221 ms 18612 KB Output is correct
61 Correct 200 ms 18516 KB Output is correct
62 Correct 184 ms 18548 KB Output is correct
63 Correct 195 ms 18500 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 14532 KB Output is correct
2 Correct 103 ms 14756 KB Output is correct
3 Correct 104 ms 14684 KB Output is correct
4 Correct 90 ms 14780 KB Output is correct
5 Correct 104 ms 14784 KB Output is correct
6 Correct 93 ms 14692 KB Output is correct
7 Correct 100 ms 14932 KB Output is correct
8 Correct 100 ms 14796 KB Output is correct
9 Correct 100 ms 14744 KB Output is correct
10 Correct 104 ms 14684 KB Output is correct
11 Correct 87 ms 14736 KB Output is correct
12 Correct 89 ms 14660 KB Output is correct
13 Correct 87 ms 14772 KB Output is correct
14 Correct 90 ms 14772 KB Output is correct
15 Correct 94 ms 14716 KB Output is correct
16 Correct 101 ms 14684 KB Output is correct
17 Correct 107 ms 14880 KB Output is correct
18 Correct 88 ms 14780 KB Output is correct
19 Correct 101 ms 14660 KB Output is correct
20 Correct 105 ms 14744 KB Output is correct
21 Correct 91 ms 14688 KB Output is correct
22 Correct 127 ms 15940 KB Output is correct
23 Correct 118 ms 15852 KB Output is correct
24 Correct 125 ms 15836 KB Output is correct
25 Correct 115 ms 15864 KB Output is correct
26 Correct 109 ms 15924 KB Output is correct
27 Correct 108 ms 15852 KB Output is correct
28 Correct 101 ms 15856 KB Output is correct
29 Correct 120 ms 15932 KB Output is correct
30 Correct 101 ms 15928 KB Output is correct
31 Correct 122 ms 15940 KB Output is correct
32 Correct 102 ms 15840 KB Output is correct
33 Correct 134 ms 15908 KB Output is correct
34 Correct 116 ms 15852 KB Output is correct
35 Correct 103 ms 15840 KB Output is correct
36 Correct 116 ms 15952 KB Output is correct
37 Correct 132 ms 15828 KB Output is correct
38 Correct 109 ms 15932 KB Output is correct
39 Correct 102 ms 16008 KB Output is correct
40 Correct 119 ms 16036 KB Output is correct
41 Correct 122 ms 15932 KB Output is correct
42 Correct 114 ms 15888 KB Output is correct
43 Correct 189 ms 18824 KB Output is correct
44 Correct 221 ms 18952 KB Output is correct
45 Correct 202 ms 18848 KB Output is correct
46 Correct 199 ms 18700 KB Output is correct
47 Correct 216 ms 18788 KB Output is correct
48 Correct 186 ms 18808 KB Output is correct
49 Correct 219 ms 18872 KB Output is correct
50 Correct 236 ms 18852 KB Output is correct
51 Correct 187 ms 18756 KB Output is correct
52 Correct 191 ms 18756 KB Output is correct
53 Correct 265 ms 18864 KB Output is correct
54 Correct 194 ms 18844 KB Output is correct
55 Correct 189 ms 18740 KB Output is correct
56 Correct 189 ms 18576 KB Output is correct
57 Correct 223 ms 18480 KB Output is correct
58 Correct 194 ms 18488 KB Output is correct
59 Correct 191 ms 18600 KB Output is correct
60 Correct 221 ms 18612 KB Output is correct
61 Correct 200 ms 18516 KB Output is correct
62 Correct 184 ms 18548 KB Output is correct
63 Correct 195 ms 18500 KB Output is correct
64 Correct 903 ms 22572 KB Output is correct
65 Correct 845 ms 23200 KB Output is correct
66 Correct 892 ms 23320 KB Output is correct
67 Correct 885 ms 23324 KB Output is correct
68 Correct 902 ms 23320 KB Output is correct
69 Correct 881 ms 23312 KB Output is correct
70 Correct 858 ms 23324 KB Output is correct
71 Correct 885 ms 23312 KB Output is correct
72 Correct 865 ms 23320 KB Output is correct
73 Correct 862 ms 23356 KB Output is correct
74 Correct 866 ms 23204 KB Output is correct
75 Correct 906 ms 23304 KB Output is correct
76 Correct 859 ms 23396 KB Output is correct
77 Correct 858 ms 23312 KB Output is correct
78 Correct 885 ms 23364 KB Output is correct
79 Correct 849 ms 23400 KB Output is correct
80 Correct 893 ms 23392 KB Output is correct
81 Correct 864 ms 23360 KB Output is correct
82 Correct 867 ms 23360 KB Output is correct
83 Correct 854 ms 23408 KB Output is correct
84 Correct 893 ms 23380 KB Output is correct