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Submission #533210

# Submission time Handle Problem Language Result Execution time Memory
533210 2022-03-05T06:36:36 Z wenqi Cubeword (CEOI19_cubeword) C++17
84 / 100
 1100 ms 23228 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)
{
    return (x * y) % MOD;
}

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 = 1; 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 = 1; 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 = 1; 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:54:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   54 |         problems[word.size()][mapping[word[0]]].insert(word);
      |                                              ^
cubeword.cpp:57:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   57 |         problems[word.size()][mapping[word[0]]].insert(word);
      |                                              ^
cubeword.cpp:67:49: warning: array subscript has type 'char' [-Wchar-subscripts]
   67 |                 pre[sz][start][mapping[word.back()]]++;
      |                                        ~~~~~~~~~^~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 15300 KB Output is correct
2 Correct 90 ms 15336 KB Output is correct
3 Correct 89 ms 15352 KB Output is correct
4 Correct 103 ms 15376 KB Output is correct
5 Correct 133 ms 15368 KB Output is correct
6 Correct 91 ms 15300 KB Output is correct
7 Correct 97 ms 15404 KB Output is correct
8 Correct 112 ms 15312 KB Output is correct
9 Correct 116 ms 15400 KB Output is correct
10 Correct 120 ms 15340 KB Output is correct
11 Correct 113 ms 15372 KB Output is correct
12 Correct 124 ms 15284 KB Output is correct
13 Correct 85 ms 15396 KB Output is correct
14 Correct 95 ms 15352 KB Output is correct
15 Correct 88 ms 15300 KB Output is correct
16 Correct 113 ms 15316 KB Output is correct
17 Correct 105 ms 15388 KB Output is correct
18 Correct 92 ms 15376 KB Output is correct
19 Correct 104 ms 15344 KB Output is correct
20 Correct 109 ms 15332 KB Output is correct
21 Correct 97 ms 15384 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 15300 KB Output is correct
2 Correct 90 ms 15336 KB Output is correct
3 Correct 89 ms 15352 KB Output is correct
4 Correct 103 ms 15376 KB Output is correct
5 Correct 133 ms 15368 KB Output is correct
6 Correct 91 ms 15300 KB Output is correct
7 Correct 97 ms 15404 KB Output is correct
8 Correct 112 ms 15312 KB Output is correct
9 Correct 116 ms 15400 KB Output is correct
10 Correct 120 ms 15340 KB Output is correct
11 Correct 113 ms 15372 KB Output is correct
12 Correct 124 ms 15284 KB Output is correct
13 Correct 85 ms 15396 KB Output is correct
14 Correct 95 ms 15352 KB Output is correct
15 Correct 88 ms 15300 KB Output is correct
16 Correct 113 ms 15316 KB Output is correct
17 Correct 105 ms 15388 KB Output is correct
18 Correct 92 ms 15376 KB Output is correct
19 Correct 104 ms 15344 KB Output is correct
20 Correct 109 ms 15332 KB Output is correct
21 Correct 97 ms 15384 KB Output is correct
22 Correct 113 ms 16468 KB Output is correct
23 Correct 120 ms 16336 KB Output is correct
24 Correct 120 ms 16364 KB Output is correct
25 Correct 109 ms 16348 KB Output is correct
26 Correct 113 ms 16500 KB Output is correct
27 Correct 131 ms 16484 KB Output is correct
28 Correct 109 ms 16328 KB Output is correct
29 Correct 108 ms 16360 KB Output is correct
30 Correct 119 ms 16380 KB Output is correct
31 Correct 121 ms 16416 KB Output is correct
32 Correct 151 ms 16444 KB Output is correct
33 Correct 110 ms 16380 KB Output is correct
34 Correct 111 ms 16364 KB Output is correct
35 Correct 124 ms 16508 KB Output is correct
36 Correct 156 ms 16432 KB Output is correct
37 Correct 112 ms 16380 KB Output is correct
38 Correct 106 ms 16428 KB Output is correct
39 Correct 116 ms 16452 KB Output is correct
40 Correct 140 ms 16504 KB Output is correct
41 Correct 113 ms 16428 KB Output is correct
42 Correct 107 ms 16452 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 15300 KB Output is correct
2 Correct 90 ms 15336 KB Output is correct
3 Correct 89 ms 15352 KB Output is correct
4 Correct 103 ms 15376 KB Output is correct
5 Correct 133 ms 15368 KB Output is correct
6 Correct 91 ms 15300 KB Output is correct
7 Correct 97 ms 15404 KB Output is correct
8 Correct 112 ms 15312 KB Output is correct
9 Correct 116 ms 15400 KB Output is correct
10 Correct 120 ms 15340 KB Output is correct
11 Correct 113 ms 15372 KB Output is correct
12 Correct 124 ms 15284 KB Output is correct
13 Correct 85 ms 15396 KB Output is correct
14 Correct 95 ms 15352 KB Output is correct
15 Correct 88 ms 15300 KB Output is correct
16 Correct 113 ms 15316 KB Output is correct
17 Correct 105 ms 15388 KB Output is correct
18 Correct 92 ms 15376 KB Output is correct
19 Correct 104 ms 15344 KB Output is correct
20 Correct 109 ms 15332 KB Output is correct
21 Correct 97 ms 15384 KB Output is correct
22 Correct 113 ms 16468 KB Output is correct
23 Correct 120 ms 16336 KB Output is correct
24 Correct 120 ms 16364 KB Output is correct
25 Correct 109 ms 16348 KB Output is correct
26 Correct 113 ms 16500 KB Output is correct
27 Correct 131 ms 16484 KB Output is correct
28 Correct 109 ms 16328 KB Output is correct
29 Correct 108 ms 16360 KB Output is correct
30 Correct 119 ms 16380 KB Output is correct
31 Correct 121 ms 16416 KB Output is correct
32 Correct 151 ms 16444 KB Output is correct
33 Correct 110 ms 16380 KB Output is correct
34 Correct 111 ms 16364 KB Output is correct
35 Correct 124 ms 16508 KB Output is correct
36 Correct 156 ms 16432 KB Output is correct
37 Correct 112 ms 16380 KB Output is correct
38 Correct 106 ms 16428 KB Output is correct
39 Correct 116 ms 16452 KB Output is correct
40 Correct 140 ms 16504 KB Output is correct
41 Correct 113 ms 16428 KB Output is correct
42 Correct 107 ms 16452 KB Output is correct
43 Correct 273 ms 19432 KB Output is correct
44 Correct 299 ms 19344 KB Output is correct
45 Correct 235 ms 19396 KB Output is correct
46 Correct 245 ms 19268 KB Output is correct
47 Correct 265 ms 19244 KB Output is correct
48 Correct 265 ms 19420 KB Output is correct
49 Correct 272 ms 19292 KB Output is correct
50 Correct 241 ms 19344 KB Output is correct
51 Correct 263 ms 19412 KB Output is correct
52 Correct 264 ms 19336 KB Output is correct
53 Correct 275 ms 19440 KB Output is correct
54 Correct 259 ms 19248 KB Output is correct
55 Correct 257 ms 19348 KB Output is correct
56 Correct 263 ms 19344 KB Output is correct
57 Correct 269 ms 19252 KB Output is correct
58 Correct 321 ms 19328 KB Output is correct
59 Correct 259 ms 19356 KB Output is correct
60 Correct 281 ms 19348 KB Output is correct
61 Correct 280 ms 19348 KB Output is correct
62 Correct 290 ms 19244 KB Output is correct
63 Correct 297 ms 19304 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 15300 KB Output is correct
2 Correct 90 ms 15336 KB Output is correct
3 Correct 89 ms 15352 KB Output is correct
4 Correct 103 ms 15376 KB Output is correct
5 Correct 133 ms 15368 KB Output is correct
6 Correct 91 ms 15300 KB Output is correct
7 Correct 97 ms 15404 KB Output is correct
8 Correct 112 ms 15312 KB Output is correct
9 Correct 116 ms 15400 KB Output is correct
10 Correct 120 ms 15340 KB Output is correct
11 Correct 113 ms 15372 KB Output is correct
12 Correct 124 ms 15284 KB Output is correct
13 Correct 85 ms 15396 KB Output is correct
14 Correct 95 ms 15352 KB Output is correct
15 Correct 88 ms 15300 KB Output is correct
16 Correct 113 ms 15316 KB Output is correct
17 Correct 105 ms 15388 KB Output is correct
18 Correct 92 ms 15376 KB Output is correct
19 Correct 104 ms 15344 KB Output is correct
20 Correct 109 ms 15332 KB Output is correct
21 Correct 97 ms 15384 KB Output is correct
22 Correct 113 ms 16468 KB Output is correct
23 Correct 120 ms 16336 KB Output is correct
24 Correct 120 ms 16364 KB Output is correct
25 Correct 109 ms 16348 KB Output is correct
26 Correct 113 ms 16500 KB Output is correct
27 Correct 131 ms 16484 KB Output is correct
28 Correct 109 ms 16328 KB Output is correct
29 Correct 108 ms 16360 KB Output is correct
30 Correct 119 ms 16380 KB Output is correct
31 Correct 121 ms 16416 KB Output is correct
32 Correct 151 ms 16444 KB Output is correct
33 Correct 110 ms 16380 KB Output is correct
34 Correct 111 ms 16364 KB Output is correct
35 Correct 124 ms 16508 KB Output is correct
36 Correct 156 ms 16432 KB Output is correct
37 Correct 112 ms 16380 KB Output is correct
38 Correct 106 ms 16428 KB Output is correct
39 Correct 116 ms 16452 KB Output is correct
40 Correct 140 ms 16504 KB Output is correct
41 Correct 113 ms 16428 KB Output is correct
42 Correct 107 ms 16452 KB Output is correct
43 Correct 273 ms 19432 KB Output is correct
44 Correct 299 ms 19344 KB Output is correct
45 Correct 235 ms 19396 KB Output is correct
46 Correct 245 ms 19268 KB Output is correct
47 Correct 265 ms 19244 KB Output is correct
48 Correct 265 ms 19420 KB Output is correct
49 Correct 272 ms 19292 KB Output is correct
50 Correct 241 ms 19344 KB Output is correct
51 Correct 263 ms 19412 KB Output is correct
52 Correct 264 ms 19336 KB Output is correct
53 Correct 275 ms 19440 KB Output is correct
54 Correct 259 ms 19248 KB Output is correct
55 Correct 257 ms 19348 KB Output is correct
56 Correct 263 ms 19344 KB Output is correct
57 Correct 269 ms 19252 KB Output is correct
58 Correct 321 ms 19328 KB Output is correct
59 Correct 259 ms 19356 KB Output is correct
60 Correct 281 ms 19348 KB Output is correct
61 Correct 280 ms 19348 KB Output is correct
62 Correct 290 ms 19244 KB Output is correct
63 Correct 297 ms 19304 KB Output is correct
64 Execution timed out 1188 ms 23228 KB Time limit exceeded
65 Halted 0 ms 0 KB -