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  1. #include <stdio.h>
  2.  
  3. void calculate(int (*a)[4]) {
  4.     int sum[3];   // 3 行分の合計値を入れる
  5.     int i, j;
  6.  
  7.     for (i = 0; i < 3; i++) {
  8.         sum[i] = 0;
  9.         for (j = 0; j < 4; j++) {
  10.             sum[i] += a[i][j];
  11.         }
  12.     }
  13.  
  14.     // 結果表示
  15.     for (i = 0; i < 3; i++) {
  16.         printf("Row %d sum = %d\n", i + 1, sum[i]);
  17.     }
  18. }
  19.  
  20. int main(void) {
  21.     int a[3][4] = {
  22.         {1, 2, 3, 4},
  23.         {5, 6, 7, 8},
  24.         {9, 10, 11, 12}
  25.     };
  26.  
  27.     calculate(a);
  28.  
  29.     return 0;
  30. }
  31.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
Row 1 sum = 10
Row 2 sum = 26
Row 3 sum = 42
https://ideone.com/Odjwkn
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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