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Submission #1004640

# Submission time Handle Problem Language Result Execution time Memory
1004640 2024-06-21T11:05:54 Z vjudge1 Cubeword (CEOI19_cubeword) C++17
84 / 100
 582 ms 12772 KB 
#include <bits/stdc++.h>

using namespace std;

const int MOD = 998244353;
const int MK = 32;
using vi = vector<int>;
using ll = long long;

int id2(char c) {
    if(c >= 'a' && c <= 'z') return c - 'a';
    if(c >= 'A' && c <= 'Z') return c - 'A' + 26; 
    return c - '0' + 52;
}
int id(char c) {
    if(c >= 'a' && c <= 'p') return c - 'a';
    if(c >= 'A' && c <= 'P') return c - 'A' + 16; 
}

int solve(vector<string> V) {
    if(V.empty()) return 0;
    set<string> S;
    for (auto it : V) {
        S.insert(it);
        string s2 = it;
        reverse(s2.begin(), s2.end());
        S.insert(s2);
    }
    array<array<int, MK>, MK> Fr;
    for (int i = 0; i < MK; ++i)
        for (int j = 0; j < MK; ++j)
            Fr[i][j] = 0;
    for (auto it : S) {
        int a = id(it[0]), b= id(it.back());
        ++Fr[a][b];
    }

    array<array<array<int, MK>, MK>, MK> u, v;
    for(int i = 0; i < MK; ++i)
        for(int j = 0; j < MK; ++j)
            for(int k = 0; k < MK; ++k)
                u[i][j][k] = v[i][j][k] = 0;
    for(int i = 0; i < MK; ++i)
        for(int j = 0; j < MK; ++j)
            for(int k = 0; k < MK; ++k) {
                for(int w = 0; w < MK; ++w) {
                    v[i][j][k] = (v[i][j][k] 
                    + 1ll * Fr[i][w] * Fr[j][w] % MOD * Fr[k][w] % MOD) % MOD;
                }
            }
    for(int i = 0; i < MK; ++i)
        for(int j = 0; j < MK; ++j)
            for(int k = 0; k < MK; ++k)
                u[i][j][k] = 1ll * Fr[i][k] * Fr[j][k] % MOD;
    ll re = 0;
    for(int i = 0; i < MK; ++i)
        for(int j = 0; j < MK; ++j)
            for(int k = 0; k < MK; ++k)
                for(int w = 0; w < MK; ++w) {
                    /// (v[i,j] \cdot u[k, w]) * (v[k, w] \cdot u[i, j])
                    ll v1 = 0, v2 = 0;
                    for(int a = 0; a < MK; ++a)
                        v1 = (v1 + 1ll * v[i][j][a] * u[k][w][a]);
                    for(int a = 0; a < MK; ++a)
                        v2 = (v2 + 1ll * v[k][w][a] * u[i][j][a]);
                    v1 %= MOD;
                    v2 %= MOD;
                    ll cre = v1 * v2 % MOD * Fr[i][k] % MOD * Fr[j][w] % MOD;
                    re = (re + cre) % MOD;
                }
    return (int)re;
}

int main() {
    const int MLEN = 10;
    vector<vector<string> > V(MLEN + 1);
    int n;
    cin >> n;
    for (int i = 0; i < n; ++i) {
        string s;
        cin >> s;
        V[s.size()].push_back(s);
    }
    int re = 0;
    for (int i = 0; i <= MLEN; ++i) {
        re = (re + solve(V[i])) % MOD;
    }
    cout << re << "\n";
    return 0;
}

Compilation message

cubeword.cpp: In function 'int id(char)':
cubeword.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type]
   18 | }
      | ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 540 ms 8184 KB Output is correct
2 Correct 551 ms 8176 KB Output is correct
3 Correct 539 ms 8196 KB Output is correct
4 Correct 555 ms 8168 KB Output is correct
5 Correct 534 ms 8136 KB Output is correct
6 Correct 514 ms 8164 KB Output is correct
7 Correct 545 ms 8116 KB Output is correct
8 Correct 542 ms 8168 KB Output is correct
9 Correct 532 ms 8272 KB Output is correct
10 Correct 513 ms 8312 KB Output is correct
11 Correct 549 ms 8172 KB Output is correct
12 Correct 516 ms 8252 KB Output is correct
13 Correct 499 ms 8144 KB Output is correct
14 Correct 525 ms 8096 KB Output is correct
15 Correct 511 ms 8124 KB Output is correct
16 Correct 524 ms 8124 KB Output is correct
17 Correct 554 ms 8380 KB Output is correct
18 Correct 517 ms 8120 KB Output is correct
19 Correct 501 ms 8164 KB Output is correct
20 Correct 549 ms 8388 KB Output is correct
21 Correct 523 ms 8272 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 540 ms 8184 KB Output is correct
2 Correct 551 ms 8176 KB Output is correct
3 Correct 539 ms 8196 KB Output is correct
4 Correct 555 ms 8168 KB Output is correct
5 Correct 534 ms 8136 KB Output is correct
6 Correct 514 ms 8164 KB Output is correct
7 Correct 545 ms 8116 KB Output is correct
8 Correct 542 ms 8168 KB Output is correct
9 Correct 532 ms 8272 KB Output is correct
10 Correct 513 ms 8312 KB Output is correct
11 Correct 549 ms 8172 KB Output is correct
12 Correct 516 ms 8252 KB Output is correct
13 Correct 499 ms 8144 KB Output is correct
14 Correct 525 ms 8096 KB Output is correct
15 Correct 511 ms 8124 KB Output is correct
16 Correct 524 ms 8124 KB Output is correct
17 Correct 554 ms 8380 KB Output is correct
18 Correct 517 ms 8120 KB Output is correct
19 Correct 501 ms 8164 KB Output is correct
20 Correct 549 ms 8388 KB Output is correct
21 Correct 523 ms 8272 KB Output is correct
22 Correct 531 ms 7048 KB Output is correct
23 Correct 543 ms 7192 KB Output is correct
24 Correct 580 ms 7128 KB Output is correct
25 Correct 507 ms 7176 KB Output is correct
26 Correct 556 ms 7192 KB Output is correct
27 Correct 562 ms 7144 KB Output is correct
28 Correct 496 ms 7244 KB Output is correct
29 Correct 532 ms 7316 KB Output is correct
30 Correct 510 ms 7148 KB Output is correct
31 Correct 496 ms 7224 KB Output is correct
32 Correct 544 ms 7236 KB Output is correct
33 Correct 512 ms 7264 KB Output is correct
34 Correct 508 ms 7048 KB Output is correct
35 Correct 506 ms 7172 KB Output is correct
36 Correct 541 ms 7140 KB Output is correct
37 Correct 525 ms 7152 KB Output is correct
38 Correct 531 ms 7232 KB Output is correct
39 Correct 548 ms 6996 KB Output is correct
40 Correct 580 ms 7200 KB Output is correct
41 Correct 570 ms 7136 KB Output is correct
42 Correct 527 ms 7200 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 540 ms 8184 KB Output is correct
2 Correct 551 ms 8176 KB Output is correct
3 Correct 539 ms 8196 KB Output is correct
4 Correct 555 ms 8168 KB Output is correct
5 Correct 534 ms 8136 KB Output is correct
6 Correct 514 ms 8164 KB Output is correct
7 Correct 545 ms 8116 KB Output is correct
8 Correct 542 ms 8168 KB Output is correct
9 Correct 532 ms 8272 KB Output is correct
10 Correct 513 ms 8312 KB Output is correct
11 Correct 549 ms 8172 KB Output is correct
12 Correct 516 ms 8252 KB Output is correct
13 Correct 499 ms 8144 KB Output is correct
14 Correct 525 ms 8096 KB Output is correct
15 Correct 511 ms 8124 KB Output is correct
16 Correct 524 ms 8124 KB Output is correct
17 Correct 554 ms 8380 KB Output is correct
18 Correct 517 ms 8120 KB Output is correct
19 Correct 501 ms 8164 KB Output is correct
20 Correct 549 ms 8388 KB Output is correct
21 Correct 523 ms 8272 KB Output is correct
22 Correct 531 ms 7048 KB Output is correct
23 Correct 543 ms 7192 KB Output is correct
24 Correct 580 ms 7128 KB Output is correct
25 Correct 507 ms 7176 KB Output is correct
26 Correct 556 ms 7192 KB Output is correct
27 Correct 562 ms 7144 KB Output is correct
28 Correct 496 ms 7244 KB Output is correct
29 Correct 532 ms 7316 KB Output is correct
30 Correct 510 ms 7148 KB Output is correct
31 Correct 496 ms 7224 KB Output is correct
32 Correct 544 ms 7236 KB Output is correct
33 Correct 512 ms 7264 KB Output is correct
34 Correct 508 ms 7048 KB Output is correct
35 Correct 506 ms 7172 KB Output is correct
36 Correct 541 ms 7140 KB Output is correct
37 Correct 525 ms 7152 KB Output is correct
38 Correct 531 ms 7232 KB Output is correct
39 Correct 548 ms 6996 KB Output is correct
40 Correct 580 ms 7200 KB Output is correct
41 Correct 570 ms 7136 KB Output is correct
42 Correct 527 ms 7200 KB Output is correct
43 Correct 507 ms 7096 KB Output is correct
44 Correct 519 ms 7180 KB Output is correct
45 Correct 540 ms 6884 KB Output is correct
46 Correct 550 ms 6800 KB Output is correct
47 Correct 541 ms 6924 KB Output is correct
48 Correct 539 ms 6964 KB Output is correct
49 Correct 508 ms 6892 KB Output is correct
50 Correct 573 ms 6940 KB Output is correct
51 Correct 546 ms 6868 KB Output is correct
52 Correct 527 ms 7132 KB Output is correct
53 Correct 532 ms 7128 KB Output is correct
54 Correct 539 ms 7004 KB Output is correct
55 Correct 502 ms 6816 KB Output is correct
56 Correct 534 ms 7112 KB Output is correct
57 Correct 573 ms 6992 KB Output is correct
58 Correct 535 ms 6820 KB Output is correct
59 Correct 582 ms 6988 KB Output is correct
60 Correct 538 ms 7004 KB Output is correct
61 Correct 543 ms 6984 KB Output is correct
62 Correct 535 ms 6988 KB Output is correct
63 Correct 571 ms 6812 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 540 ms 8184 KB Output is correct
2 Correct 551 ms 8176 KB Output is correct
3 Correct 539 ms 8196 KB Output is correct
4 Correct 555 ms 8168 KB Output is correct
5 Correct 534 ms 8136 KB Output is correct
6 Correct 514 ms 8164 KB Output is correct
7 Correct 545 ms 8116 KB Output is correct
8 Correct 542 ms 8168 KB Output is correct
9 Correct 532 ms 8272 KB Output is correct
10 Correct 513 ms 8312 KB Output is correct
11 Correct 549 ms 8172 KB Output is correct
12 Correct 516 ms 8252 KB Output is correct
13 Correct 499 ms 8144 KB Output is correct
14 Correct 525 ms 8096 KB Output is correct
15 Correct 511 ms 8124 KB Output is correct
16 Correct 524 ms 8124 KB Output is correct
17 Correct 554 ms 8380 KB Output is correct
18 Correct 517 ms 8120 KB Output is correct
19 Correct 501 ms 8164 KB Output is correct
20 Correct 549 ms 8388 KB Output is correct
21 Correct 523 ms 8272 KB Output is correct
22 Correct 531 ms 7048 KB Output is correct
23 Correct 543 ms 7192 KB Output is correct
24 Correct 580 ms 7128 KB Output is correct
25 Correct 507 ms 7176 KB Output is correct
26 Correct 556 ms 7192 KB Output is correct
27 Correct 562 ms 7144 KB Output is correct
28 Correct 496 ms 7244 KB Output is correct
29 Correct 532 ms 7316 KB Output is correct
30 Correct 510 ms 7148 KB Output is correct
31 Correct 496 ms 7224 KB Output is correct
32 Correct 544 ms 7236 KB Output is correct
33 Correct 512 ms 7264 KB Output is correct
34 Correct 508 ms 7048 KB Output is correct
35 Correct 506 ms 7172 KB Output is correct
36 Correct 541 ms 7140 KB Output is correct
37 Correct 525 ms 7152 KB Output is correct
38 Correct 531 ms 7232 KB Output is correct
39 Correct 548 ms 6996 KB Output is correct
40 Correct 580 ms 7200 KB Output is correct
41 Correct 570 ms 7136 KB Output is correct
42 Correct 527 ms 7200 KB Output is correct
43 Correct 507 ms 7096 KB Output is correct
44 Correct 519 ms 7180 KB Output is correct
45 Correct 540 ms 6884 KB Output is correct
46 Correct 550 ms 6800 KB Output is correct
47 Correct 541 ms 6924 KB Output is correct
48 Correct 539 ms 6964 KB Output is correct
49 Correct 508 ms 6892 KB Output is correct
50 Correct 573 ms 6940 KB Output is correct
51 Correct 546 ms 6868 KB Output is correct
52 Correct 527 ms 7132 KB Output is correct
53 Correct 532 ms 7128 KB Output is correct
54 Correct 539 ms 7004 KB Output is correct
55 Correct 502 ms 6816 KB Output is correct
56 Correct 534 ms 7112 KB Output is correct
57 Correct 573 ms 6992 KB Output is correct
58 Correct 535 ms 6820 KB Output is correct
59 Correct 582 ms 6988 KB Output is correct
60 Correct 538 ms 7004 KB Output is correct
61 Correct 543 ms 6984 KB Output is correct
62 Correct 535 ms 6988 KB Output is correct
63 Correct 571 ms 6812 KB Output is correct
64 Runtime error 30 ms 12772 KB Execution killed with signal 11
65 Halted 0 ms 0 KB -