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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     // your code goes here
  6.     int t;
  7.     cin>>t;
  8.     while(t--)
  9.     {
  10.         int n,m;
  11.         cin>>n>>m;
  12.  
  13.         int i,j;
  14.         int ans=0;
  15.         int maxd, mind;
  16.         if(n>=m) {
  17.             maxd = n;
  18.             mind = m;
  19.         }
  20.         else {
  21.             maxd = m;
  22.             mind = n;
  23.         }
  24.         n=maxd;
  25.         m=mind;//This is to make sure N>M for all cases.
  26.         int arr[n][m]={0};
  27.  
  28.         for(i=0;i<n;i++) //The explanation is given above.
  29.         {
  30.             for(j=0;j<m;j++)
  31.             {
  32.                 cout<<"I and J are "<<arr[i][j]<<endl;//Critical Line 2.
  33.                 if(arr[i][j]==0)
  34.                 {
  35.                     ans++;
  36.                     arr[i][j]=1;
  37.                     if(i<n-2 && j>0)
  38.                       arr[i+2][j-1]=1;
  39.                     if(i<n-2 && j<m-1)
  40.                       arr[i+2][j+1]=1;
  41.                 }
  42.             }
  43.         }
  44.         cout<<ans<<endl;
  45.     }
  46.     return 0;
  47. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
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1
2 2
stdout
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I and J are 0
I and J are 32766
I and J are 0
I and J are 0
3
https://ideone.com/XBUlct
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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