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  1. #include <stdio.h>
  2.  
  3. int data1[7]={1,2,0,0,0,0,0};
  4. int data2[5]={3,4,5,6,7};
  5. int len2;
  6.  
  7. void cat_data(int *data1, const int *data2, int len2)
  8. {
  9. 	int i=0,j=0;
  10. 	while((i<7)&&(data1[i]!=0))
  11. 	{
  12. 		i++;
  13. 	}
  14. 	while(j<len2&&i<7)
  15. 	{
  16. 		data1[i]=data2[j];
  17. 		i++;
  18. 		j++;
  19. 	}
  20. }
  21.  
  22. int main(void) {
  23.  
  24. 	int i,j;
  25.  
  26. 	cat_data(data1,data2,5);
  27.  
  28. 	for(i=0;i<7;i++)
  29. 		printf("data1[%d]=%d\n",i,data1[i]);
  30.  
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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data1[0]=1
data1[1]=2
data1[2]=3
data1[3]=4
data1[4]=5
data1[5]=6
data1[6]=7
https://ideone.com/johuUG
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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