Submission #1078353

#	Time	Username	Problem	Language	Result	Execution time	Memory
1078353		Boas	Rectangles (IOI19_rect)	C++17	37 / 100	5053 ms	28248 KiB

rect

#include "rect.h"

#include <bits/stdc++.h>
using namespace std;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef long long ll;
     
    long long count_rectangles(vvi a) {
        int n = a.size();
        int m = a[0].size();
     
        ll result = 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 success = true;
                        for (int i = r1; i <= r2; i++) {
                            for (int j = c1; j <= c2; j++) {
                                if (a[i][j] >= a[i][c1 - 1] || a[i][j] >= a[i][c2 + 1] || a[i][j] >= a[r1 - 1][j] || a[i][j] >= a[r2 + 1][j]) {
                                    success = false;
                                    break;
                                }
                            }
                            
                            if (!success) {
                                break;
                            }
                        }
     
                        if (success) {
                            result++;
                        }
                    }
                }
            }
        }
     
        return result;
    }

• Subtask 1: 8 / 8
• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 0 / 22
• Subtask 5: 10 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28