Submission #1070995

#	Time	Username	Problem	Language	Result	Execution time	Memory
1070995		ArthuroWich	Rectangles (IOI19_rect)	C++17	37 / 100	5086 ms	39536 KiB

rect

#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
vector<vector<int>> a;
int n, m;
long long ans = 0;
void ch(int r1, int c1, int r2, int c2) {
	for (int i = r1; i <= r2; i++) {
		for (int j = c1; j <= c2; j++) {
			if ((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] <= a[i][j])) {
				return;
			}
		}
	}
	ans++;
}
long long count_rectangles(vector<vector<int>> A) {
	a = A;
	n = a.size(), m = a[0].size();
	for (int i1 = 1; i1 < n-1; i1++) {
		for (int j1 = 1; j1 < m-1; j1++) {
			for (int i2 = i1; i2 < n-1; i2++) {
				for (int j2 = j1; j2 < m-1; j2++) {
					ch(i1, j1, i2, j2);
				}
			}
		}
	}
	return ans;
}

• 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