Submission #1037179

#	Time	Username	Problem	Language	Result	Execution time	Memory
1037179		HappyCapybara	Rectangles (IOI19_rect)	C++17	37 / 100	5081 ms	28428 KiB

rect

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

#define ll long long

ll count_rectangles(vector<vector<int>> a){
	int n = a.size(), m = a[0].size();
	ll res = 0;
	for (int k=1; k<m-1; k++){
		for (int l=k; l<m-1; l++){
			for (int i=1; i<n-1; i++){
				bool stop = false;
				for (int j=i; j<n-1; j++){
					for (int y=k; y<=l; y++){
						if (stop) break;
						if (a[j][y] >= min(a[i-1][y], min(a[j][k-1], a[j][l+1]))) stop = true;
					}
					if (stop) break;
					bool valid = true;
					for (int x=i; x<=j; x++){
						if (!valid) break;
						for (int y=k; y<=l; y++){
							if (!valid) break;
							if (a[x][y] >= a[j+1][y]) valid = false;
						}
					}
					if (valid) res++;
				}
			}
		}
	}
	return res;
}

• 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