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  1. #include <stdio.h>
  2. void cal_array( int (*x)[3], int (*y)[2], int (*z)[2],int (*ans)[2] );
  3. int main(void) {
  4.     int x[2][3] = {{1, 2, 3},{4, 5, 6}};
  5.     int y[3][2] = {{6, 5},{4, 3},{2, 1}};
  6.     int z[2][2] = {{10, 6},{4, 9}};
  7.     int ans[2][2]={0};
  8.    cal_array(x,y,z,ans);
  9.     return 0;
  10. }
  11. void cal_array( int (*x)[3],int (*y)[2], int (*z)[2], int (*ans)[2] ){
  12.     int xy[2][2];
  13.     for (int i = 0; i < 2; i++) {
  14.         for (int j = 0; j < 2; j++) {
  15.             xy[i][j] = 0;
  16.             for (int k = 0; k < 3; k++) {
  17.                 xy[i][j] += x[i][k] * y[k][j];
  18.             }
  19.         }
  20.     }
  21.     for (int i = 0; i < 2; i++) {
  22.         for (int j = 0; j < 2; j++) {
  23.             ans[i][j] = xy[i][j] + z[i][j];
  24.         }
  25.     }
  26.         for (int i = 0; i < 2; i++) {
  27.         for (int j = 0; j < 2; j++) {
  28.             printf("%d ", ans[i][j]);
  29.         }
  30.         printf("\n");
  31.     }
  32. }
Success #stdin #stdout 0s 5288KB
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https://ideone.com/wEWijt
language:
C99 (gcc 8.3)
created:
3 days ago
visibility:
public

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