제출 #428995

#제출 시각아이디문제언어결과실행 시간메모리
428995HazemRectangles (IOI19_rect)C++14
0 / 100
26 ms460 KiB
#include "rect.h"
#include <bits/stdc++.h>

#define LL long long

using namespace std;

const int N = 250;

int n,m;
int col[N][N][N],row[N][N][N];

long long count_rectangles(std::vector<std::vector<int> > a) {

	n = a.size();m = a[0].size();

	assert(n<=3);
	
	if(n<3)
		return 0;
	bool q = 1;
	LL ans = 0;
	for(int i=1;i<m-1;i++){
		int mx = 0;
		for(int j=i;j<m-1;j++){
			mx = max(mx,a[1][j]);
			q &= (a[1][j]<a[0][j])&&(a[1][j]<a[2][j]);
			ans += 0ll+(q&(mx<a[1][i-1]&&mx<a[1][j+1]));
		}
	}
	return ans;
}
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