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  1. #include <stdio.h>
  2.  
  3. void cat_data(int* data1, const int* data2, int len2){
  4.     int i;
  5.     for(i = 0; i < len2+2; i++){
  6.         data1[i+2] = data2[i];
  7.     }
  8. }
  9.  
  10. int main(void) {
  11.  
  12.     int data1[7] = {1, 2};         
  13.     int data2[5]  = {3, 4, 5, 6, 7};
  14.  
  15.     int len2 = sizeof(data2) / sizeof(data2[0]);
  16.     cat_data(data1, data2, len2);
  17.     for(int i = 0; i <len2+2; i++){
  18.     printf("cat_data[%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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cat_data[0]=1
cat_data[1]=2
cat_data[2]=3
cat_data[3]=4
cat_data[4]=5
cat_data[5]=6
cat_data[6]=7
https://ideone.com/BChHJk
language:
C99 (gcc 8.3)
created:
1 day ago
visibility:
public

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