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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.     for (int i = 0; i < 2; i++) {
  5.         for (int j = 0; j < 2; j++) {
  6.             ans[i][j] = 0;
  7.             for (int k = 0; k < 3; k++) {
  8.                 ans[i][j] += x[i][k] * y[k][j]; 
  9.             }
  10.             ans[i][j] += z[i][j]; 
  11.         }
  12.     }
  13. }
  14.  
  15. int main(void) {
  16.     int x[2][3] = {
  17.         {1, 2, 3},
  18.         {4, 5, 6}
  19.     };
  20.     int y[3][2] = {
  21.         {6, 5},
  22.         {4, 3},
  23.         {2, 1}
  24.     };
  25.     int z[2][2] = {
  26.         {10, 6},
  27.         {4, 9}
  28.     };
  29.     int ans[2][2];
  30.  
  31.     cal_array(x, y, z, ans);
  32.  
  33.     printf("計算結果:\n");
  34.     for (int i = 0; i < 2; i++) {
  35.         for (int j = 0; j < 2; j++) {
  36.             printf("%d ", ans[i][j]);
  37.         }
  38.         printf("\n");
  39.     }
  40. }
Success #stdin #stdout 0s 5320KB
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Standard input is empty
stdout
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計算結果:
30 20 
60 50
https://ideone.com/VioUqs
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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