Submission #3231533

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Source Code Expand

x#include<bits/stdc++.h>
using namespace std;

int main(){
  int h,w;
  cin>>h>>w;
  int a[111][111]={};
  int b[111][111]={};
  for(int i=1;i<=h;i++)
    for(int j=1;j<=w;j++){
      if((i+j)%2)cin>>a[i][j];
      else cin>>b[i][j];
    }
  for(int i=1;i<=h;i++)
    for(int j=1;j<=w;j++){
      a[i][j+1]+=a[i][j];
      b[i][j+1]+=b[i][j];
    }
  for(int i=1;i<=h;i++)
    for(int j=1;j<=w;j++){
      a[j+1][i]+=a[j][i];
      b[j+1][i]+=b[j][i];
    }
  int ans=0;
  for(int i=1;i<=h;i++)
    for(int j=1;j<=w;j++)
      for(int k=0;k<h;k++)
	for(int l=0;l<w;l++){
	  if(i+k>h||j+l>w)continue;
	  int asum=a[i+k][j+l]-a[i+k][j-1]-a[i-1][j+l]+a[i-1][j-1];
	  int bsum=b[i+k][j+l]-b[i+k][j-1]-b[i-1][j+l]+b[i-1][j-1];
	  if(asum==bsum)ans=max(ans,(k+1)*(l+1));
	}
  cout<<ans<<endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp:1:2: error: stray ‘#’ in program
 x#include<bits/stdc++.h>
  ^
./Main.cpp:1:1: error: ‘x’ does not name a type
 x#include<bits/stdc++.h>
 ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:6:3: error: ‘cin’ was not declared in this scope
   cin>>h>>w;
   ^
./Main.cpp:32:41: error: ‘max’ was not declared in this scope
    if(asum==bsum)ans=max(ans,(k+1)*(l+1));
                                         ^
./Main.cpp:34:3: error: ‘cout’ was not declared in this scope
   cout<<ans<<endl;
   ^
./Main.cpp:34:14: error: ‘endl’ was not declared in this scope
   cout<<ans<<endl;
              ^