hanoi

#include <iostream>
#include <cstring>
using namespace std;
void hanoi(int n, char a, char b, char c)
{
//    ofstream fout("hanoi.txt");
    if(n==1)
        cout<<a<<"-"<<b<<endl;
    else
    {
        hanoi(n-1,a,c,b);
       cout<<a<<"-"<<b<<endl;
        hanoi(n-1,c,b,a);
    }
}

int main()
{
    char a,b,c;
    int n;
    cin>>n;
    a='a';
    b='b';
    c='c';
    hanoi(n,a,b,c);
}