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May 22nd, 2019
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. int n,a[25][25];
  5. int main()
  6. {cin>>n;
  7. for(int i=1;i<=n;i++)
  8. {
  9. if(i%2==1)
  10. for(int j=1;j<=n;j++)
  11. a[i][j]=i;
  12. else
  13. for(int j=1;j<=n;j++)
  14. a[i][j]=j;
  15. }
  16. for(int i=1;i<=n;i++)
  17. {
  18. for(int j=1;j<=n;j++)
  19. cout<<a[i][j]<<' ';
  20. cout<<endl;
  21. }
  22. return 0;
  23. }
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