oj.uz

Submission #204399

# Submission time Handle Problem Language Result Execution time Memory
204399 2020-02-25T16:22:44 Z ADJA Rectangles (IOI19_rect) C++14
37 / 100
 5000 ms 46968 KB 
#include "rect.h"
 
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <vector>
#include <set>
#include <map>
#include <algorithm>
#include <bitset>
#include <cmath>
#include <queue>
#include <stack>
#include <string>
 
#define sz(x) (int) x.size()
#define all(x) x.begin(), x.end()
 
using namespace std;

const int MAXN = 2500;

int n, m;
int a[MAXN][MAXN];
int ok[MAXN][MAXN];
int mxc[MAXN];

long long count_rectangles(std::vector<std::vector<int> > A) {
  n = sz(A); m = sz(A[0]);
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      a[i][j] = A[i][j];
    }
  }

  long long ans = 0;

  for (int col = 0; col + 1 < m; col++) {
    for (int i = 0; i < n; i++) {
      for (int j = col; j < m; j++) {
        ok[i][j] = 0;
      }
    }
    for (int i = 0; i < n; i++) {
      int mx = -1;
      for (int j = col + 1; j < m; j++) {
        if (a[i][col] > mx && a[i][j] > mx) {
          ok[i][j] = 1;
        }
        if (a[i][j] > mx) {
          mx = a[i][j];
        }
      }
    }
    for (int i = 0; i < n; i++) {
      for (int j = col + 1; j < m; j++) {
        if (ok[i][j]) {
          ok[i][j] = 1 + ok[i - 1][j];
        }
      }
    }

    for (int row = 0; row + 1 < n; row++) {
      for (int j = col + 1; j < m; j++) {
        mxc[j] = -1;
      }
      for (int row2 = row + 1; row2 < n; row2++) {
        bool good = true;
        for (int col2 = col + 1; col2 + 1 < m; col2++) {
          if (!(a[row][col2] > mxc[col2] && a[row2][col2] > mxc[col2])) {
            good = false;
          }
          if (good && row2 - 1 > row && ok[row2 - 1][col2 + 1] >= row2 - row - 1) {
            ans++;
          }
          if (a[row2][col2] > mxc[col2]) {
            mxc[col2] = a[row2][col2];
          }
        }
      }
    }
  }

  return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 6 ms 504 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 508 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 636 KB Output is correct
11 Correct 6 ms 632 KB Output is correct
12 Correct 6 ms 632 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 504 KB Output is correct
20 Correct 5 ms 504 KB Output is correct
21 Correct 5 ms 380 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 6 ms 504 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 508 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 636 KB Output is correct
11 Correct 6 ms 632 KB Output is correct
12 Correct 6 ms 632 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 1144 KB Output is correct
18 Correct 24 ms 1144 KB Output is correct
19 Correct 24 ms 1144 KB Output is correct
20 Correct 29 ms 1144 KB Output is correct
21 Correct 36 ms 1016 KB Output is correct
22 Correct 35 ms 1144 KB Output is correct
23 Correct 32 ms 1016 KB Output is correct
24 Correct 11 ms 1016 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 5 ms 380 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 6 ms 504 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 508 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 636 KB Output is correct
11 Correct 6 ms 632 KB Output is correct
12 Correct 6 ms 632 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 1144 KB Output is correct
18 Correct 24 ms 1144 KB Output is correct
19 Correct 24 ms 1144 KB Output is correct
20 Correct 29 ms 1144 KB Output is correct
21 Correct 36 ms 1016 KB Output is correct
22 Correct 35 ms 1144 KB Output is correct
23 Correct 32 ms 1016 KB Output is correct
24 Correct 11 ms 1016 KB Output is correct
25 Correct 692 ms 2936 KB Output is correct
26 Correct 690 ms 2936 KB Output is correct
27 Correct 682 ms 2936 KB Output is correct
28 Correct 643 ms 2680 KB Output is correct
29 Correct 887 ms 2808 KB Output is correct
30 Correct 880 ms 2944 KB Output is correct
31 Correct 779 ms 2940 KB Output is correct
32 Correct 766 ms 2808 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 504 KB Output is correct
36 Correct 5 ms 504 KB Output is correct
37 Correct 5 ms 380 KB Output is correct

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 6 ms 504 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 508 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 636 KB Output is correct
11 Correct 6 ms 632 KB Output is correct
12 Correct 6 ms 632 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 1144 KB Output is correct
18 Correct 24 ms 1144 KB Output is correct
19 Correct 24 ms 1144 KB Output is correct
20 Correct 29 ms 1144 KB Output is correct
21 Correct 36 ms 1016 KB Output is correct
22 Correct 35 ms 1144 KB Output is correct
23 Correct 32 ms 1016 KB Output is correct
24 Correct 11 ms 1016 KB Output is correct
25 Correct 692 ms 2936 KB Output is correct
26 Correct 690 ms 2936 KB Output is correct
27 Correct 682 ms 2936 KB Output is correct
28 Correct 643 ms 2680 KB Output is correct
29 Correct 887 ms 2808 KB Output is correct
30 Correct 880 ms 2944 KB Output is correct
31 Correct 779 ms 2940 KB Output is correct
32 Correct 766 ms 2808 KB Output is correct
33 Execution timed out 5037 ms 16760 KB Time limit exceeded
34 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 504 KB Output is correct
2 Correct 42 ms 376 KB Output is correct
3 Correct 53 ms 504 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 59 ms 504 KB Output is correct
6 Correct 61 ms 512 KB Output is correct
7 Correct 64 ms 632 KB Output is correct
8 Correct 61 ms 504 KB Output is correct
9 Correct 67 ms 504 KB Output is correct
10 Correct 14 ms 376 KB Output is correct
11 Correct 31 ms 380 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Execution timed out 5070 ms 46968 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 6 ms 504 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 508 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 636 KB Output is correct
11 Correct 6 ms 632 KB Output is correct
12 Correct 6 ms 632 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 1144 KB Output is correct
18 Correct 24 ms 1144 KB Output is correct
19 Correct 24 ms 1144 KB Output is correct
20 Correct 29 ms 1144 KB Output is correct
21 Correct 36 ms 1016 KB Output is correct
22 Correct 35 ms 1144 KB Output is correct
23 Correct 32 ms 1016 KB Output is correct
24 Correct 11 ms 1016 KB Output is correct
25 Correct 692 ms 2936 KB Output is correct
26 Correct 690 ms 2936 KB Output is correct
27 Correct 682 ms 2936 KB Output is correct
28 Correct 643 ms 2680 KB Output is correct
29 Correct 887 ms 2808 KB Output is correct
30 Correct 880 ms 2944 KB Output is correct
31 Correct 779 ms 2940 KB Output is correct
32 Correct 766 ms 2808 KB Output is correct
33 Execution timed out 5037 ms 16760 KB Time limit exceeded
34 Halted 0 ms 0 KB -