Submission #621495

#	Time	Username	Problem	Language	Result	Execution time	Memory
621495		pirhosig	Rectangles (IOI19_rect)	C++17	0 / 100	62 ms	28288 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>
#define  R(a) for (int i = 0; i < a; ++i)
#define RR(a) for (int j = 0; j < a; ++j)
#define ll long long
using namespace std;



ll count_rectangles(vector<vector<int>> a) {
	int N = a.size();
	int M = a[0].size();
	ll tot = 0;
	for (int i = 1; i < N - 1; ++i) {
		for (int j = 1; j < M - 1; ++j) {
			if (!a[i][j] && a[i - 1][j] && a[i + 1][j] && a[i][j - 1] && a[i][j + 1]) tot++;
		}
	}
	return tot;
}

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