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  1. #include <iostream>
  2. using namespace std;
  3. void helper(string s,string ans){
  4. 	if(s.length()==0){
  5. 		cout<<ans<<endl;
  6. 		return;
  7. 	}
  8.  
  9. 	for(int i = 0;i < s.size();i++){
  10. 		char c= s[i];
  11. 		string rest = s.substr(0,i)+s.substr(i+1);
  12.  
  13. 		helper(rest,ans+c);
  14. 	}
  15. }
  16. int main() {
  17. 	string s;cin>>s;
  18. 	helper(s,"");
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 5308KB
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https://ideone.com/D8yHOm
language:
C++ (gcc 8.3)
created:
6 hours ago
visibility:
public

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