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  1. #include <stdio.h>
  2. void cat_data(int *data1,const int *data2,int len2){
  3. 	int l1=0;//data1にデータが入っているか確認
  4. 	for(int i=0;i<7;i++){	
  5. 		if(data1[i]!=0){
  6. 			l1=l1+1;
  7. 		}
  8. 	}
  9.  
  10. 	int a=0;
  11. 	for(int i=l1;i<7 && a<len2;i++){
  12. 		data1[i]=data2[a];
  13. 		a++;
  14. 	}
  15. }
  16. int main(void) {
  17. 	int data1[7]={1,0,0,0,0,0,0};
  18. 	int data2[5]={3,4,5,6,7};
  19. 	int len2=sizeof(data2)/sizeof(data2[0]);
  20.  
  21. 	printf("before\ndata1:{");
  22. 	for(int i=0;i<7;i++){
  23. 		printf("%d,",data1[i]);
  24. 	}
  25. 	printf("}\ndata2:{");
  26. 	for(int i=0;i<5;i++){
  27. 		printf("%d,",data2[i]);
  28. 	}
  29. 	printf("}\n\n");
  30.  
  31.  
  32. 	cat_data(data1,data2,len2);
  33.  
  34. 	printf("after\ndata1:{");
  35. 	for(int i=0;i<7;i++){
  36. 		printf("%d,",data1[i]);
  37. 	}
  38. 	printf("}\n");
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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before
data1:{1,0,0,0,0,0,0,}
data2:{3,4,5,6,7,}

after
data1:{1,3,4,5,6,7,0,}
https://ideone.com/8TV1Qb
3Q-3@
language:
C99 (gcc 8.3)
created:
11 days ago
visibility:
public

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