递归调用～汉诺塔

#include<stdio.h>
void hanoi(int n,char a,char b,char c)
{
if(n==1)
{
printf("%c->%c\n",a,c);
}
else
{
hanoi(n-1,a,c,b);
printf("%c->%c\n",a,c);
hanoi(n-1,b,a,c);
}
}
int main()
{
char a,b,c;int n;
scanf("%d",&n);
hanoi(n,'a','b','c');
return 0;
}