oj.uz

Submission #971853

# Submission time Handle Problem Language Result Execution time Memory
971853 2024-04-29T12:03:59 Z opPO Rectangles (IOI19_rect) C++14
18 / 100
 5000 ms 28500 KB 
#include "rect.h"
#include <bits/stdc++.h>

#define sz(x) (int)x.size()

using namespace std;

long long count_rectangles(vector<vector<int>> a) {
    int n = sz(a);
    int m = sz(a[0]);

    if (n <= 2 || m <= 2) {
        return 0;
    }
    if (n == 3) {
        long long res = 0;
        for (int l = 0; l < m; l++) {
            int mx = -1e9;
            for (int r = l + 1; r < m; r++) {
                if (r - l > 1 && mx < a[1][l] && mx < a[1][r]) {
                    res++;
                }
                if (a[1][r] >= a[0][r] || a[1][r] >= a[2][r]) break;
                mx = max(mx, a[1][r]);
            }
        }

        return res;
    }

    long long res = 0;
    for (int r1 = 1; r1 < n - 1; r1++) {
        for (int r2 = r1; r2 < n - 1; r2++) {
            for (int c1 = 1; c1 < m - 1; c1++) {
                for (int c2 = c1; c2 < m - 1; c2++) {
                    bool ok = 1;

                    for (int i = r1; i <= r2; i++) {
                        for (int j = c1; j <= c2; j++) {
                            if (a[i][j] >= a[r1 - 1][j] || a[i][j] >= a[r2 + 1][j]
                                || a[i][j] >= a[i][c1 - 1] || a[i][j] >= a[i][c2 + 1]) {
                                ok = 0;
                            }
                        }
                    }

                    res += ok;
                }
            }
        }
    }

    assert(res <= 1ll * n * m);

    return res;
}

/*
g++ -std=gnu++14 -O2 -Wall -pipe -static -o "rect" "grader.cpp" "rect.cpp"
*/

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 24 ms 440 KB Output is correct
3 Correct 24 ms 348 KB Output is correct
4 Correct 24 ms 344 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 89 ms 600 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 86 ms 348 KB Output is correct
10 Correct 82 ms 416 KB Output is correct
11 Correct 83 ms 344 KB Output is correct
12 Correct 74 ms 436 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 428 KB Output is correct
18 Correct 0 ms 432 KB Output is correct
19 Correct 57 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 24 ms 440 KB Output is correct
3 Correct 24 ms 348 KB Output is correct
4 Correct 24 ms 344 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 89 ms 600 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 86 ms 348 KB Output is correct
10 Correct 82 ms 416 KB Output is correct
11 Correct 83 ms 344 KB Output is correct
12 Correct 74 ms 436 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 428 KB Output is correct
18 Correct 0 ms 432 KB Output is correct
19 Correct 57 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Execution timed out 5068 ms 348 KB Time limit exceeded
23 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 24 ms 440 KB Output is correct
3 Correct 24 ms 348 KB Output is correct
4 Correct 24 ms 344 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 89 ms 600 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 86 ms 348 KB Output is correct
10 Correct 82 ms 416 KB Output is correct
11 Correct 83 ms 344 KB Output is correct
12 Correct 74 ms 436 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 5068 ms 348 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 24 ms 440 KB Output is correct
3 Correct 24 ms 348 KB Output is correct
4 Correct 24 ms 344 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 89 ms 600 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 86 ms 348 KB Output is correct
10 Correct 82 ms 416 KB Output is correct
11 Correct 83 ms 344 KB Output is correct
12 Correct 74 ms 436 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 5068 ms 348 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 428 KB Output is correct
2 Correct 0 ms 432 KB Output is correct
3 Correct 57 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Execution timed out 5069 ms 28500 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 348 KB Output is correct
2 Correct 24 ms 440 KB Output is correct
3 Correct 24 ms 348 KB Output is correct
4 Correct 24 ms 344 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 89 ms 600 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 86 ms 348 KB Output is correct
10 Correct 82 ms 416 KB Output is correct
11 Correct 83 ms 344 KB Output is correct
12 Correct 74 ms 436 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 5068 ms 348 KB Time limit exceeded
18 Halted 0 ms 0 KB -