이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "rect.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define fr first
#define sc second
const int N=2505;
int a[N][N],b[N],c[N];
long long count_rectangles(vector<vector<int>> A) {
int n=A.size();
int m=A[0].size();
if(min(n,m)<3) return 0;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++)
a[i+1][j+1]=A[i][j];
}
int ans=0;
for(int l=2;l<n;l++){
for(int r=l;r<n;r++){
for(int i=1;i<=m;i++){
if(l==r) b[i]=a[l][i];
else b[i]=max(b[i],a[r][i]);
}
for(int i=2;i<m;i++){
for(int j=i;j<m;j++){
if(b[j]>=min(a[l-1][j],a[r+1][j])) break;
bool cnt=1;
for(int k=l;k<=r;k++){
if(i==j) c[k]=a[k][j];
else c[k]=max(c[k],a[k][j]);
if(c[k]>=min(a[k][i-1],a[k][j+1])){
cnt=0;
}
}
ans+=cnt;
}
}
}
}
return ans;
return 0;
}
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