Submission #1219659

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219659		HappyCapybara	Rectangles (IOI19_rect)	C++17	18 / 100	5092 ms	22852 KiB

rect

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

#define ll long long

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

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