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Jan 19th, 2018
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main(){
  6. int size = 3;
  7. int m[size][size];
  8.  
  9. for(int i=0;i<size;++i)
  10. for(int j=0;j<size;++j)
  11. std::cin>>m[i][j];
  12.  
  13. for(int i=0;i<size;++i){
  14. int buf;
  15. buf=m[i][i];
  16. m[i][i]=m[i][(size-1)-i];
  17. m[i][(size-1)-i]=buf;
  18. }
  19.  
  20. for(int i=0;i<size;++i){
  21. for(int j=0;j<size;++j)
  22. std::cout<<m[i][j]<<' ';
  23. std::cout<<std::endl;
  24. }
  25. return 0;
  26. }
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