Submission #891796

#	Time	Username	Problem	Language	Result	Execution time	Memory
891796		Trisanu_Das	Rectangles (IOI19_rect)	C++17	37 / 100	5078 ms	22696 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
long long count_rectangles(vector <vector <int> > a){
	int n=a.size(),m=a[0].size();
	long long ans=0;
	for (int r1=1; r1<=n-2; r1++){
		for (int r2=r1; r2<=n-2; r2++){
			for (int c1=1; c1<=m-2; c1++){
				for (int c2=c1; c2<=m-2; c2++){
					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]) goto die;
						}
					}
					ans++;
					die:;
				}
			}
		}
	}
	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