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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1, int *data2, int len2);
  4. int main(void){
  5.  
  6. 	int data1[7]={1,2};
  7. 	int data2[5]={3,4,5,6,7};
  8. 	int len2=sizeof(data2)/sizeof(data2[0]);
  9. 	cat_data(data1, data2, len2);
  10. 	 int *p=data1;
  11. 	 for (int i=0;i<7;i++){
  12. 	 	printf("data1[%d]=%d\n",i,data1[i]);
  13. 	 	p++;
  14. 	 }
  15. 	 return 0;
  16. }
  17. void cat_data(int *data1, int *data2, int len2)
  18. {
  19. int len1=0;
  20. while (data1[len1] !=0){
  21. len1++;
  22. }
  23. for(int i=0; i<len2; i++ ){
  24. if ((len1 + i) < 7) {
  25.             data1[len1 + i] = data2[i];
  26. }
  27. }
  28. }
  29.  
Success #stdin #stdout 0s 5316KB
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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/47b5qr
language:
C (gcc 8.3)
created:
16 hours ago
visibility:
public

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