Submission #348022

#	Time	Username	Problem	Language	Result	Execution time	Memory
348022		juggernaut	Rectangles (IOI19_rect)	C++14	37 / 100	5060 ms	34028 KiB

rect

#include"rect.h"
#include<bits/stdc++.h>
#ifdef EVAL
#else
#include"grader.cpp"
#endif
using namespace std;
int n,m;
vector<vector<int>>a;
bool check(int r1,int c1,int r2,int c2){
	for(int i=r1;i<=r2;i++)
		for(int j=c1;j<=c2;j++)
			if(a[i][j]>=min(min(a[i][c1-1], a[i][c2+1]), min(a[r1-1][j], a[r2+1][j])))return 0;
	return 1;
}
long long count_rectangles(vector<vector<int>>A){
	a=A;n=a.size();m=a[0].size();
	int res=0;
	for(int i=1;i<n-1;i++)
		for(int j=1;j<m-1;j++)
			for(int I=i;I<n-1;I++)
				for(int J=j;J<m-1;J++)res+=check(i,j,I,J);
	return res;
}

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