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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. string f(string s,int cnt, int i, int j, int n){
  5. 	if(i>=j){
  6. 		if(cnt==n/2)
  7. 		 return "true";
  8. 		 else
  9. 		 return "false";
  10. 	}
  11. 	if(s[i]==s[j]){
  12. 		cnt++;
  13. 		return f(s,cnt, i+1,j-1,n);
  14. 	}
  15. 	else
  16. 	return "false";
  17. }
  18.  
  19. int main() {
  20. 	string s="abba";int cnt=0;
  21. 	int i=0; int j=3; int n=4;
  22. 	cout<<f(s,cnt,i,j,n);
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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true
https://ideone.com/7xSDST
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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