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  1. #include <stdio.h>
  2.  
  3. void a(int (*z)[3], int r);   // 関数宣言
  4. void b(int z[2][3]);           // 関数宣言
  5.  
  6. int main(void) {
  7.     int x[2][3] = {0};   // 2x3の配列を初期化
  8.     int y = 2;
  9.  
  10.     a(x, y);   // 配列xと値yを渡す
  11.  
  12.     printf("array x\n");
  13.  
  14.     b(x);   // 配列xを表示
  15.  
  16.     return 0;
  17. }
  18.  
  19. void a(int (*z)[3], int r) {
  20.     for (int i = 0; i < 2; i++) {
  21.         for (int j = 0; j < 3; j++) {  // j++に修正
  22.             z[i][j] = r;
  23.         }
  24.     }
  25. }
  26.  
  27. void b(int z[2][3]) {
  28.     for (int i = 0; i < 2; i++) {
  29.         for (int j = 0; j < 3; j++) {  // j++に修正
  30.             printf("%d ", z[i][j]);
  31.         }
  32.         putchar('\n');
  33.     }
  34. }
  35.  
Success #stdin #stdout 0s 5288KB
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stdin
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Standard input is empty
stdout
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array x
2 2 2 
2 2 2
https://ideone.com/hDEmlA
language:
C99 (gcc 8.3)
created:
9 days ago
visibility:
public

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