Submission #928471

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
928471	2024-02-16 13:02:34	knon0501	Rectangles (IOI19_rect)	C++17	23 / 100	580 ms	244396 KiB

rect

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#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> b[2505][2505];
vector<vector<int>> aa;
int f(int i,int j,int x,int y){
  int cnt1 = 0;
  int cnt2 = 0;
  
  for(int k=i ; k<=j ; k++){
    if(aa[x][k]<aa[y][k])
      cnt1++;
    if(aa[x][k]>aa[y][k])
      cnt2++;
  }
  if(cnt1==j-i+1)return 1;
  if(cnt2==j-i+1)return -1;
  return 0;
}
long long count_rectangles(std::vector<std::vector<int> > a) {
  aa=a;
  int n = a.size();
  int m = a[0].size();
  for(int i=1 ; i<n-1 ; i++){
    stack<int> S;
 
 
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