제출 #834610

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
834610		gromperen	Rectangles (IOI19_rect)	C++14	0 / 100	47 ms	28664 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>

#define ll long long

using namespace std;

long long count_rectangles(vector<vector<int> > a) {
	int n = a.size();
	int m = a[0].size();
	vector<vector<bool>> b(n, vector<bool>(m, 0));
	ll ans = 0;
	for (int i = 1; i < n-1; ++i) {
		for (int j = 1; j < m-1; ++j) {
			if (a[i-1][j] <= a[i][j]) continue;
			if (a[i][j-1] <= a[i][j]) continue;
			for (int p = i; p < n-1; ++p) {
				if (a[p][j-1] <= a[p][j]) break;
				for (int q = j; q < m-1; ++q) {
					if (a[i-1][q] <= a[i][q]) break;
					if (a[p+1][q] <= a[p][q]) break;
					if (a[p][q+1] <= a[p][q]) break;
					ans++;
					//cout << i << " " << j << " " << p << " " << q << "\n";
				}
			}
		}
	}

	return ans;
}

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