https://blog.csdn.net/csyifanZhang/article/details/106075180

↑完整题解

#define ll int
#define inf 0x3ffffff
#define vec vector<ll>

ll tot = 0;

void pprint(char s, char t) {
	if (tot == 5)printf("\n"), tot = 0;
	printf("%c-->%c   ", s, t); tot++;
}
//将cnt个圆盘从S盘经过M移动到T
void hanoi(char S, char T, char M, ll cnt) {
	if (cnt == 1)
		pprint(S, T);
	else {
		hanoi(S, M, T, cnt - 1);//把上面cnt-1个硬盘从S经过T移动到M
		hanoi(S, T, M, 1);//把最底下的1个硬盘移动到T
		hanoi(M, T, S, cnt - 1);//把移动到M上的cnt-1个硬盘通过S移到终点T
	}
}

int main() {
	ll n;
	while (cin >> n && n) {
		hanoi('A', 'C', 'B', n);
		printf("\n"); tot = 0;
	}
}