oj.uz

Submission #880384

# Submission time Handle Problem Language Result Execution time Memory
880384 2023-11-29T09:37:45 Z MilosMilutinovic Misspelling (JOI22_misspelling) C++14
28 / 100
 4000 ms 77300 KB 
#include <bits/stdc++.h>

using namespace std;

const int md = 1e9 + 7;

int ckadd(int a, int b) {
  return a + b >= md ? a + b - md : a + b;
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m;
  cin >> n >> m;
  vector<int> a(m), b(m);
  for (int i = 0; i < m; i++) {
    cin >> a[i] >> b[i];
    --a[i]; --b[i];
  }
  const int A = 26;
  vector<vector<int>> dp(n, vector<int>(A));
  dp[0] = vector<int>(A, 1);
  for (int i = 1; i < n; i++) {
    int mx_a = -1;
    for (int j = 0; j < m; j++) {
      if (a[j] == b[j]) {
        continue;
      }
      if (a[j] <= b[j] && b[j] >= i && a[j] < i) {
        mx_a = max(mx_a, a[j]);
      }
    }
    int mx_b = -1;
    for (int j = 0; j < m; j++) {
      if (a[j] == b[j]) {
        continue;
      }
      if (a[j] >= b[j] && a[j] >= i && b[j] < i) {
        mx_b = max(mx_b, b[j]);
      }
    }
    for (int c = 0; c < A; c++) {
      for (int j = 0; j < i; j++) {
        for (int cc = 0; cc < A; cc++) {
          if (c == cc) {
            continue;
          }
          bool ok = true;
          if (cc < c && j <= mx_a) {
            ok = false;
          }
          if (cc > c && j <= mx_b) {
            ok = false;
          }
          if (ok) {
            dp[i][c] = ckadd(dp[i][c], dp[j][cc]);
          }
        }
      }
    }
  }
  int ans = 0;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < A; j++) {
      ans = ckadd(ans, dp[i][j]);
    }
  }
  cout << ans << '\n';
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 452 KB Output is correct
14 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 452 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 27 ms 488 KB Output is correct
16 Correct 23 ms 348 KB Output is correct
17 Correct 22 ms 348 KB Output is correct
18 Correct 22 ms 348 KB Output is correct
19 Correct 23 ms 348 KB Output is correct
20 Correct 22 ms 348 KB Output is correct
21 Correct 22 ms 348 KB Output is correct
22 Correct 42 ms 604 KB Output is correct
23 Correct 43 ms 348 KB Output is correct
24 Correct 23 ms 344 KB Output is correct
25 Correct 22 ms 596 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Execution timed out 4077 ms 77300 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 452 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 27 ms 488 KB Output is correct
16 Correct 23 ms 348 KB Output is correct
17 Correct 22 ms 348 KB Output is correct
18 Correct 22 ms 348 KB Output is correct
19 Correct 23 ms 348 KB Output is correct
20 Correct 22 ms 348 KB Output is correct
21 Correct 22 ms 348 KB Output is correct
22 Correct 42 ms 604 KB Output is correct
23 Correct 43 ms 348 KB Output is correct
24 Correct 23 ms 344 KB Output is correct
25 Correct 22 ms 596 KB Output is correct
26 Execution timed out 4078 ms 3416 KB Time limit exceeded
27 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 452 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 27 ms 488 KB Output is correct
16 Correct 23 ms 348 KB Output is correct
17 Correct 22 ms 348 KB Output is correct
18 Correct 22 ms 348 KB Output is correct
19 Correct 23 ms 348 KB Output is correct
20 Correct 22 ms 348 KB Output is correct
21 Correct 22 ms 348 KB Output is correct
22 Correct 42 ms 604 KB Output is correct
23 Correct 43 ms 348 KB Output is correct
24 Correct 23 ms 344 KB Output is correct
25 Correct 22 ms 596 KB Output is correct
26 Correct 0 ms 600 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Execution timed out 4077 ms 77300 KB Time limit exceeded
31 Halted 0 ms 0 KB -