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  1. #include<iostream>
  2. #include<cstdio>
  3. using namespace std;
  4. int Length(string s)
  5. {
  6. int len=0;
  7. for(int i=0;s[i]!='\0';i++)
  8. {
  9. len++;
  10. }
  11. return len;
  12. }
  13. string Insertatpos(string s,int pos,string sub)
  14. {
  15. string res=" ";
  16. int lens=Length(s);
  17. int lensub=Length(sub);
  18. for(int i=0;i<pos;i++)
  19. {
  20. res=res+s[i];
  21. }
  22. res=res+sub;
  23. for(int i=pos;i<lens;i++)
  24. {
  25. res=res+s[i];
  26. }
  27. return res;
  28. }
  29. int main()
  30. {
  31. string s,sub;
  32. int pos;
  33. cin>>s>>pos>>sub;
  34. string res=Insertatpos(s,pos,sub);
  35. cout<<res<<endl;
  36. return 0;
  37. }
Success #stdin #stdout 0s 5272KB
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https://ideone.com/7xu2Dk
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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