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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1, const int *data2, int len2){
  4.     for(int i=0; i<len2; i++){
  5.         data1[2+i]=data2[i];   
  6.     }
  7. }
  8.  
  9. int main(void){
  10.     int data1[12]={1,2};   
  11.     int data2[5] ={3,4,5,6,7};         
  12.  
  13.     int len2=sizeof(data2)/sizeof(data2[0]);
  14.  
  15.     cat_data(data1,data2,len2);
  16.  
  17.     for(int i=0; i<7+len2; i++){
  18.         printf("data1[%d]=%d\n",i,data1[i]);
  19.     }
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5308KB
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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
data1[7]=0
data1[8]=0
data1[9]=0
data1[10]=0
data1[11]=0
https://ideone.com/IOpzI9
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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