oj.uz

Submission #971856

# Submission time Handle Problem Language Result Execution time Memory
971856 2024-04-29T12:06:00 Z opPO Rectangles (IOI19_rect) C++14
18 / 100
 5000 ms 22696 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 0 ms 348 KB Output is correct
2 Correct 26 ms 432 KB Output is correct
3 Correct 25 ms 432 KB Output is correct
4 Correct 25 ms 348 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 87 ms 412 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 6 ms 348 KB Output is correct
9 Correct 81 ms 348 KB Output is correct
10 Correct 82 ms 408 KB Output is correct
11 Correct 83 ms 408 KB Output is correct
12 Correct 75 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 58 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 26 ms 432 KB Output is correct
3 Correct 25 ms 432 KB Output is correct
4 Correct 25 ms 348 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 87 ms 412 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 6 ms 348 KB Output is correct
9 Correct 81 ms 348 KB Output is correct
10 Correct 82 ms 408 KB Output is correct
11 Correct 83 ms 408 KB Output is correct
12 Correct 75 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 58 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Execution timed out 5013 ms 344 KB Time limit exceeded
23 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 26 ms 432 KB Output is correct
3 Correct 25 ms 432 KB Output is correct
4 Correct 25 ms 348 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 87 ms 412 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 6 ms 348 KB Output is correct
9 Correct 81 ms 348 KB Output is correct
10 Correct 82 ms 408 KB Output is correct
11 Correct 83 ms 408 KB Output is correct
12 Correct 75 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 5013 ms 344 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 26 ms 432 KB Output is correct
3 Correct 25 ms 432 KB Output is correct
4 Correct 25 ms 348 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 87 ms 412 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 6 ms 348 KB Output is correct
9 Correct 81 ms 348 KB Output is correct
10 Correct 82 ms 408 KB Output is correct
11 Correct 83 ms 408 KB Output is correct
12 Correct 75 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 5013 ms 344 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 348 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 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 348 KB Output is correct
10 Correct 1 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 58 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Execution timed out 5076 ms 22696 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 26 ms 432 KB Output is correct
3 Correct 25 ms 432 KB Output is correct
4 Correct 25 ms 348 KB Output is correct
5 Correct 10 ms 348 KB Output is correct
6 Correct 87 ms 412 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 6 ms 348 KB Output is correct
9 Correct 81 ms 348 KB Output is correct
10 Correct 82 ms 408 KB Output is correct
11 Correct 83 ms 408 KB Output is correct
12 Correct 75 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 5013 ms 344 KB Time limit exceeded
18 Halted 0 ms 0 KB -