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  1. #include <stdio.h>
  2. void calculate(int (*a)[4]);
  3. int main(void) {
  4. 	int a[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
  5. 	calculate(a);
  6. 	return 0;
  7. }
  8. void calculate(int(*a)[4]){
  9. 	int i,b,c,d,sum;
  10. 	for(i=0;i<4;i++){
  11. 		b=b+*(a[0]+i);
  12. 	}
  13. 	for(i=0;i<4;i++){
  14. 		c=c+*(a[1]+i);
  15. 	}
  16. 	for(i=0;i<4;i++){
  17. 		d=d+*(a[2]+i);
  18. 	}
  19. 	sum=b+c+d;
  20. 	printf("1行目の合計:%d\n",b);
  21. 	printf("2行目の合計:%d\n",c);
  22. 	printf("3行目の合計:%d\n",d);
  23. 	printf("すべての行の合計:%d\n",sum);
  24. 	return;
  25.  
  26.  
  27. }
Success #stdin #stdout 0s 5320KB
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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
すべての行の合計:78
https://ideone.com/nhXngR
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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