Submission #1047766

#	Time	Username	Problem	Language	Result	Execution time	Memory
1047766		vjudge1	Rectangles (IOI19_rect)	C++17	18 / 100	5099 ms	22700 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>
#define pb push_back
#define endl ("\n")
#define all(aa) aa.begin(), aa.end()
typedef long long ll;
using namespace std;

ll count_rectangles(vector<vector<int>> a){
	int n = a.size(), m = a[0].size();

	ll ans = 0;
	for(int i = 1; i < n - 1; i++){
		for(int j = 1; j < m - 1; j++){
			for(int k = i; k < n - 1; k++){
				for(int l = j; l < m - 1; l++){
					int ok = 1;
					for(int I = i; I <= k; I++){
						for(int J = j; J <= l; J++){
							int ch = a[i-1][J];
							ch = min(ch, a[k+1][J]);
							ch = min(ch, a[I][j - 1]);
							ch = min(ch, a[I][l + 1]);
							if(a[I][J] >= ch)
								ok = 0;
						}
					}
					ans += ok;
				}
			}
		}
	}

	return ans;
}

• 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