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  1. #include <stdio.h>
  2.  
  3. 	void cat_data(int *data1, const int *data2, int len2){
  4.  
  5.     for(int i=0; i<len2; i++){
  6.         data1[2+i]=data2[i];
  7.     }
  8. }
  9.  
  10. int main(void){
  11.     int data1[7]={1,2};
  12.     int data2[5]={3,4,5,6,7};         
  13.     int len2=sizeof(data2)/sizeof(data2[0]);
  14.  
  15.     cat_data(data1,data2,len2);
  16.  
  17.     for(int i=0; i<2+len2; i++){
  18.         printf("data1[%d]=%d\n",i,data1[i]);
  19.     }
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 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/FlAv7x
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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