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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void permSum(string s, string perm)
  5. {
  6. 	cout << perm << endl;
  7. 	if(s.empty()) return;
  8. 	for(int i=0; i<s.length(); i++)
  9. 	  permSum(s.substr(0,i)+s.substr(i+1, string::npos), perm+s[i]);
  10. }
  11.  
  12. int main() {
  13. 	permSum("abc", "");
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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a
ab
abc
ac
acb
b
ba
bac
bc
bca
c
ca
cab
cb
cba
https://ideone.com/55Cl1o
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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