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  1. #include <stdio.h>
  2.  
  3. void calculate(int (*a)[4]) {
  4.     int sum[3];   
  5.  
  6.     int i, j;
  7.  
  8.     for (i = 0; i < 3; i++) {
  9.         sum[i] = 0;
  10.         for (j = 0; j < 4; j++) {
  11.             sum[i] += a[i][j];
  12.         }
  13.     }
  14.  
  15.     // 結果表示
  16.     for (i = 0; i < 3; i++) {
  17.         printf("Row %d sum = %d\n", i + 1, sum[i]);
  18.     }
  19. }
  20.  
  21. int main(void) {
  22.     int a[3][4] = {
  23.         {1, 2, 3, 4},
  24.         {5, 6, 7, 8},
  25.         {9, 10, 11, 12}
  26.     };
  27.  
  28.     calculate(a);
  29.  
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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Row 1 sum = 10
Row 2 sum = 26
Row 3 sum = 42
https://ideone.com/EzgTh3
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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