oj.uz

Submission #795456

# Submission time Handle Problem Language Result Execution time Memory
795456 2023-07-27T09:58:29 Z WLZ Rectangles (IOI19_rect) C++17
59 / 100
 5000 ms 37524 KB 
#include "rect.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
using vii = vector<ii>;

long long count_rectangles(std::vector<std::vector<int> > a) {
  int n = (int) a.size(), m = (int) a[0].size();
  vector<vii> segs(n);
  for (int i = 1; i < n - 1; i++) {
    for (int j = 0; j < m - 2; j++) {
      int mx = -1;
      for (int k = j + 1; k < m - 1; k++) {
        mx = max(mx, a[i][k]);
        if (min(a[i][j], a[i][k + 1]) > mx) segs[i].emplace_back(j, k + 1);
      }
    }
  }
  int seg_cnt[m][m];
  ll ans = 0;
  for (int r1 = 0; r1 < n - 2; r1++) {
    vector<int> vert_mx(m, -1);
    memset(seg_cnt, 0, sizeof seg_cnt);
    for (int r2 = r1 + 2; r2 < n; r2++) {
      for (int c = 0; c < m; c++) vert_mx[c] = max(vert_mx[c], a[r2 - 1][c]);
      vector<int> pre(m, 0);
      for (int c = 1; c < m - 1; c++) {
        if (min(a[r1][c], a[r2][c]) > vert_mx[c]) pre[c] = 1;
        pre[c] += pre[c - 1];
      }
      pre[m - 1] = pre[m - 2];
      for (auto &[l, r] : segs[r2 - 1]) {
        if (++seg_cnt[l][r] == r2 - r1 - 1 && pre[r - 1] - pre[l] == r - l - 1) {
          //cerr << r1 << ' ' << r2 << ' ' << l << ' ' << r << endl;
          ans++;
        }
      }
    }
  }
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 296 KB Output is correct
21 Correct 0 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 296 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 2 ms 484 KB Output is correct
23 Correct 3 ms 468 KB Output is correct
24 Correct 2 ms 436 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 476 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 3 ms 432 KB Output is correct
29 Correct 1 ms 340 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 484 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 2 ms 436 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 2 ms 476 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 3 ms 432 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 296 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 30 ms 1332 KB Output is correct
31 Correct 29 ms 1328 KB Output is correct
32 Correct 30 ms 1364 KB Output is correct
33 Correct 23 ms 980 KB Output is correct
34 Correct 26 ms 1292 KB Output is correct
35 Correct 27 ms 1484 KB Output is correct
36 Correct 27 ms 1444 KB Output is correct
37 Correct 27 ms 1412 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 484 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 2 ms 436 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 2 ms 476 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 3 ms 432 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 30 ms 1332 KB Output is correct
26 Correct 29 ms 1328 KB Output is correct
27 Correct 30 ms 1364 KB Output is correct
28 Correct 23 ms 980 KB Output is correct
29 Correct 26 ms 1292 KB Output is correct
30 Correct 27 ms 1484 KB Output is correct
31 Correct 27 ms 1444 KB Output is correct
32 Correct 27 ms 1412 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 296 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1048 ms 12028 KB Output is correct
39 Correct 993 ms 12112 KB Output is correct
40 Correct 945 ms 12140 KB Output is correct
41 Correct 926 ms 12112 KB Output is correct
42 Correct 1298 ms 14900 KB Output is correct
43 Correct 1267 ms 14992 KB Output is correct
44 Correct 1286 ms 15288 KB Output is correct
45 Correct 1145 ms 14580 KB Output is correct
46 Correct 926 ms 8472 KB Output is correct
47 Correct 961 ms 9820 KB Output is correct
48 Correct 1132 ms 13424 KB Output is correct
49 Correct 1136 ms 15444 KB Output is correct
50 Correct 486 ms 7392 KB Output is correct
51 Correct 370 ms 8728 KB Output is correct
52 Correct 1177 ms 14352 KB Output is correct
53 Correct 1127 ms 15320 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 24880 KB Output is correct
2 Correct 13 ms 18004 KB Output is correct
3 Correct 16 ms 24788 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 16 ms 24916 KB Output is correct
6 Correct 16 ms 24916 KB Output is correct
7 Correct 17 ms 24904 KB Output is correct
8 Correct 20 ms 24876 KB Output is correct
9 Correct 17 ms 24924 KB Output is correct
10 Correct 11 ms 24748 KB Output is correct
11 Correct 10 ms 24712 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 296 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Execution timed out 5076 ms 37524 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 484 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 2 ms 436 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 2 ms 476 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 3 ms 432 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 30 ms 1332 KB Output is correct
26 Correct 29 ms 1328 KB Output is correct
27 Correct 30 ms 1364 KB Output is correct
28 Correct 23 ms 980 KB Output is correct
29 Correct 26 ms 1292 KB Output is correct
30 Correct 27 ms 1484 KB Output is correct
31 Correct 27 ms 1444 KB Output is correct
32 Correct 27 ms 1412 KB Output is correct
33 Correct 1048 ms 12028 KB Output is correct
34 Correct 993 ms 12112 KB Output is correct
35 Correct 945 ms 12140 KB Output is correct
36 Correct 926 ms 12112 KB Output is correct
37 Correct 1298 ms 14900 KB Output is correct
38 Correct 1267 ms 14992 KB Output is correct
39 Correct 1286 ms 15288 KB Output is correct
40 Correct 1145 ms 14580 KB Output is correct
41 Correct 926 ms 8472 KB Output is correct
42 Correct 961 ms 9820 KB Output is correct
43 Correct 1132 ms 13424 KB Output is correct
44 Correct 1136 ms 15444 KB Output is correct
45 Correct 486 ms 7392 KB Output is correct
46 Correct 370 ms 8728 KB Output is correct
47 Correct 1177 ms 14352 KB Output is correct
48 Correct 1127 ms 15320 KB Output is correct
49 Correct 16 ms 24880 KB Output is correct
50 Correct 13 ms 18004 KB Output is correct
51 Correct 16 ms 24788 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 16 ms 24916 KB Output is correct
54 Correct 16 ms 24916 KB Output is correct
55 Correct 17 ms 24904 KB Output is correct
56 Correct 20 ms 24876 KB Output is correct
57 Correct 17 ms 24924 KB Output is correct
58 Correct 11 ms 24748 KB Output is correct
59 Correct 10 ms 24712 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Execution timed out 5076 ms 37524 KB Time limit exceeded
62 Halted 0 ms 0 KB -