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  1. #include <stdio.h>
  2.  
  3. void calculate(int (*a)[4],int sum[3]){
  4. 	for(int i=0; i<3; i++){
  5. 		sum[i]=0;
  6. 		for(int j=0; j<4; j++){
  7. 			sum[i]+=a[i][j];
  8. 		}
  9. 	}
  10. }
  11.  
  12. int main(void) {
  13. 	int a[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
  14.  
  15. 	int sum[3];
  16.  
  17. 	calculate(a,sum);
  18.  
  19. 	for(int i=0; i<3; i++){
  20.         printf("行%dの合計=%d\n",i,sum[i]);
  21.     }
  22.  
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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行0の合計=10
行1の合計=26
行2の合計=42
https://ideone.com/MRRy1I
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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