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  1. #include <stdio.h>
  2. int main(void) {
  3.     int a[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
  4.  
  5.     calculate(a);
  6.  
  7.     return 0;
  8. }
  9.  
  10. void calculate(int (*a)[4]) {
  11.  
  12.     int sum[3]={0};
  13.  
  14.     for(int i=0; i<3; i++){
  15.         for(int j=0; j<4; j++){
  16.             sum[i] += a[i][j];
  17.         }
  18.     }
  19.  
  20.     for(int i=0; i<3; i++){
  21.         printf("%d行目の合計%d\n", i,sum[i]);
  22.     }
  23. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
stdout
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0行目の合計10
1行目の合計26
2行目の合計42
https://ideone.com/IuK5Dv
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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