#include <iostream> using namespace std; int main() { string ques = "abc"; for(int i=0 ; i<ques.length(); i++){ for(int j=0 ; j<ques.length(); j++){ if(j==i){ continue; } for(int k=0 ; k<ques.length();k++){ if(k==i || k==j){ continue; } cout<<ques[i]; cout<<ques[j]; cout<<ques[k]; cout<<endl; } } } return 0; }