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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.      int arr[3][3]= {{1,2,3},{4,5,6},{7,8,9}};
  7.      int row= sizeof(arr)/sizeof(arr[0]);
  8.      int col= sizeof(arr[0])/sizeof(arr[0][0]);
  9.  
  10.      for(int i=0;i<row;i++){
  11.          for(int j=0;j<col;j++){
  12.              if(i==j){
  13.                  cout<<arr[i][j]<<" ";
  14.              }
  15.          }
  16.      }
  17.  
  18.      cout<<endl;
  19.  
  20.       for(int i=0;i<row;i++){
  21.          for(int j=0;j<col;j++){
  22.              if(i+j==row-1 && i!=j){
  23.                  cout<<arr[i][j]<<" ";
  24.              }
  25.          }
  26.      }
  27. }
Success #stdin #stdout 0s 5304KB
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stdin
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Standard input is empty
stdout
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1 5 9 
3 7
https://ideone.com/r6BOgD
language:
C++ (gcc 8.3)
created:
10 days ago
visibility:
public

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