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  1. #include<iostream>
  2. #include<cstring>
  3. using namespace std;
  4. void modifyme(string &s,int i, int len){
  5. 	//base case
  6. 	if(i>=len){
  7. 		return;
  8. 	}
  9.  
  10. 	//recursive case
  11. 	int leng = s.length();
  12. 	if(i+1<leng && (s[i] == 'p' && s[i+1] == 'i')){
  13. 		s.erase(s.begin()+i,s.begin()+i+2);
  14. 		s.insert(i,"3.14");
  15. 		modifyme(s,i+4,leng);
  16. 	}
  17. 	modifyme(s,i+1,leng);
  18. }
  19. int main() {
  20. 	int t;
  21. 	cin>>t;
  22. 	cin.ignore();
  23. 	while(t--){
  24.  
  25. 		string s="";
  26. 		getline(cin,s);
  27. 		modifyme(s,0,s.length()-1);
  28. 		cout<<s<<endl;
  29.  
  30. 	}
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 4392KB
comments (?)
stdin
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3

xpix

xabpixx3.15x

xpipippixx
stdout
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x3.14x

xab3.14xx3.15x

x3.143.14p3.14xx
https://ideone.com/KssQsB
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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