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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. void print(string str,string ans){
  4. 	if(str.length()==0){
  5. 		cout<<ans<<endl;
  6. 		return;
  7. 	}
  8. 	int v1 = stoi(str.substr(0,1));
  9. 	char ch = char('a'+(v1-1));
  10. 	print(str.substr(1),ans+ch);
  11.  
  12. 	if(str.length()>=2){
  13. 		int v2 = stoi(str.substr(0,2));
  14. 		if(v2>=10 && v2<=26){
  15. 		char ch2  = char('a'+(v2-1));
  16. 		print(str.substr(2),ans+ch2);
  17. 	}
  18.  
  19. 	}
  20. }
  21. int main() {
  22. 	string s;cin>>s;
  23. 	print(s,"");
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 5324KB
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123
stdout
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abc
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https://ideone.com/2U9dnB
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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