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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.     int i, j, k;
  5.  
  6.     for (i = 0; i < 2; i++) {
  7.         for (j = 0; j < 2; j++) {
  8.             ans[i][j] = 0;
  9.         }
  10.     }
  11.     for (i = 0; i < 2; i++) {
  12.         for (j = 0; j < 2; j++) {
  13.             for (k = 0; k < 3; k++) {
  14.                                 ans[i][j] += x[i][k] * y[k][j];
  15.       }
  16.         }
  17.     }
  18.  
  19.     for (i = 0; i < 2; i++) {
  20.         for (j = 0; j < 2; j++) {
  21.             ans[i][j] += z[i][j];
  22.         }
  23.     }
  24. }
  25.  
  26. int main(void) {
  27.     int x[2][3] = {{1, 2, 3},{4, 5, 6}};
  28.  
  29.     int y[3][2] = {{6, 5},{4, 3},{2, 1}};
  30.  
  31.     int z[2][2] = {{10, 6},{4, 9}};
  32.  
  33.     int ans[2][2]; 
  34.     int i, j;
  35.  
  36.     cal_array(x, y, z, ans);
  37.     for (i = 0; i < 2; i++) {
  38.         for (j = 0; j < 2; j++) {
  39.             printf("%3d ", ans[i][j]);
  40.         }
  41.         printf("\n");
  42.     }
  43.  
  44.     return 0;
  45. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/YehANW
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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