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  1. #include <stdio.h>
  2.  
  3. void cal_array( const int (*x)[3], const int (*y)[2], const int (*z)[2], int (*ans)[2] );
  4.  
  5. int main(void) {
  6. 	int x[2][3] = {{1,2,3}, {4,5,6}};
  7. 	int y[3][2] = {{6,5}, {4,3}, {2,1}};
  8. 	int z[2][2] = {{10,6} ,{4,9}};
  9. 	int ans[2][2] = { 0 } ;
  10.  
  11. 	cal_array( x, y, z, ans );
  12.  
  13. 	return 0;
  14. }
  15.  
  16. void cal_array( const int (*x)[3], const int (*y)[2], const int (*z)[2], int (*ans)[2] ){
  17.     for (int i = 0; i < 2; i++) {
  18.         for (int j = 0; j < 2; j++) {
  19.             for (int k = 0; k < 3; k++) {
  20.                 ans[i][j] += x[i][k] * y[k][j];
  21.             }
  22.         }
  23.     }
  24.  
  25.     for (int i = 0; i < 2; i++) {
  26.         for (int j = 0; j < 2; j++) {
  27.             printf("%d ", ans[i][j] + z[i][j]);
  28.         }
  29.     putchar('\n');
  30.     }
  31. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/xlVnnO
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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