#include<stdio.h>

int main()

{

void hanoi(int n,char one,char two,char three);

int m;

printf("input the number of disks:\n");

scanf("%d",&m);

printf("The step to move %d disks:\n",m);

hanoi(m,'A','B','C');

return 0;

}  

void hanoi(int n,char one,char two,char three)

{

void move(char x,char y);

if(n==1)

move(one,three);

else

{

 hanoi(n-1,one,three,two);

 move(one,three);

 hanoi(n-1,two,one,three);

}

}

void move(char x,char y)

{

 printf("%c-->%c\n",x,y);

}