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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 temp[2][2] = {0};
  5.  
  6.     for (int i = 0; i < 2; i++) {
  7.         for (int j = 0; j < 2; j++) {
  8.             temp[i][j] = 0;
  9.             for (int k = 0; k < 3; k++) {
  10.                 temp[i][j] += x[i][k] * y[k][j];
  11.             }
  12.         }
  13.     }
  14.  
  15.     for (int i = 0; i < 2; i++) {
  16.         for (int j = 0; j < 2; j++) {
  17.             ans[i][j] = temp[i][j] + z[i][j];
  18.         }
  19.     }
  20. }
  21.  
  22. int main(void) {
  23.     int x[2][3] = {
  24.         {1, 2, 3},
  25.         {4, 5, 6}
  26.     };
  27.  
  28.     int y[3][2] = {
  29.         {7, 8},
  30.         {9, 10},
  31.         {11, 12}
  32.     };
  33.  
  34.     int z[2][2] = {
  35.         {1, 0},
  36.         {0, 1}
  37.     };
  38.  
  39.     int ans[2][2];
  40.  
  41.     cal_array(x, y, z, ans);
  42.  
  43.     printf("計算結果 ans:\n");
  44.     for (int i = 0; i < 2; i++) {
  45.         for (int j = 0; j < 2; j++) {
  46.             printf("%d ", ans[i][j]);
  47.         }
  48.         printf("\n");
  49.     }
  50.  
  51.     return 0;
  52. }
  53.  
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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計算結果 ans:
59 64 
139 155
https://ideone.com/cJrRTv
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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