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  1. #include <stdio.h>
  2.  
  3.  
  4. void calculate(int (*a)[4]) {
  5.     int i, j,sum[3];
  6.  
  7.  
  8.     for (i = 0; i < 3; i++) {
  9.         sum[i] = 0; 
  10.         for (j = 0; j < 4; j++) {
  11.             sum[i]=sum[i]+a[i][j]; 
  12.         }
  13.     }
  14.     for (i = 0; i< 3; i++) {
  15.         printf("%d行目の合計: %d\n", i + 1, sum[i]);
  16.     }
  17. }
  18.  
  19. int main() {
  20.     int a[3][4] = {{1, 2, 3, 4},{5, 6, 7, 8},{9, 10, 11, 12}};
  21.  
  22.  
  23.     calculate(a);
  24.  
  25.  
  26.  
  27.     return 0;
  28. }
Success #stdin #stdout 0.01s 5268KB
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stdin
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Standard input is empty
stdout
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1行目の合計: 10
2行目の合計: 26
3行目の合計: 42
https://ideone.com/sPmE4B
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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