C++ :

#include <iostream>
#include <cstdio>
#define Maxn 109
using namespace std;
void mov(int n, char a, char b, char c);
int main()
{
    int n;
    char a='A',b='B',c='C';
    scanf("%d",&n);
    mov(n,a,b,c);
    return 0;
}

void mov(int n, char a, char b, char c)
{
    if(1==n){
        printf("%d:%c->%c\n",n,a,c);
        return ;
    }
    mov(n-1,a,c,b);
    printf("%d:%c->%c\n",n,a,c);
    mov(n-1,b,a,c);
}

python

def hanoi(n, a, b, c):
    if n == 1:
        print(str(n) + ':' + a + '->' + c)
    else:
        hanoi(n - 1, a, c, b)
        print(str(n) + ':' + a + '->' + c)
        hanoi(n - 1, b, a, c)

n = int(input())
hanoi(n, 'A', 'B', 'C')

def hanoi(n,a,b,c): #完善程序代码，按要求输出移动盘子的步骤 if n>0: hanoi(n-1,a,c,b) print(str(n)+":"+a+"->"+c) hanoi(n-1,b,a,c) n=int(input()) hanoi(n,"A","B","C")