用Swift实现汉诺塔算法

//汉诺塔

func hanoi(n:Int,A:String,B:String,C:String)

{

if(n==1){

println("Move sheet \(n) from \(A) to \(C)")

}

else

{

hanoi(n-1,A,C,B)

println("Move sheet \(n) from \(A) to \(C)")

hanoi(n-1,B,A,C)

}

}

hanoi(6,"XiAn","ShanHai","GuangDong")