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  1. #include <stdio.h>
  2.  
  3. void transpose(size_t siz, int mat[][siz])
  4. {
  5.     for(size_t i= 0; i< siz; ++i)
  6.     {
  7.         for(size_t j = i ; j< siz; ++j)
  8.         {
  9.             int temp = mat[i][j];
  10.             mat[i][j] = mat[j][i];
  11.             mat[j][i] = temp;
  12.         }
  13.     }
  14. }
  15.  
  16. void printMat(size_t siz, int const arr[][siz])
  17. {
  18.     for(size_t i=0; i<siz; ++i)
  19.     {
  20.         for (size_t j=0; j<siz; ++j)
  21.             printf("%d| ", arr[i][j]);
  22.         fputc('\n',stdout);
  23.     }
  24. }
  25. int main()
  26. {
  27.     int arr[][3] = {{1,2,3},{4,5,6},{7,8,9}};
  28.     printMat(3, arr);
  29.     transpose(3, arr);
  30.     printMat(3,arr);
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 9424KB
comments (?)
stdin 
Standard input is empty
stdout 
1| 2| 3| 
4| 5| 6| 
7| 8| 9| 
1| 4| 7| 
2| 5| 8| 
3| 6| 9|
https://ideone.com/BCqmpa
language:
C (gcc 8.3)
created:
6 years ago
visibility:
secret

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