汉诺塔(2)
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题目背景
作死的小明又一次玩汉诺塔。
题目描述
输入圆圈的个数,输出最少需要多少个步骤。
输入
一行,一个整数。
输出
一行,输出最少所需步骤。
样例1
3
7
样例2
2
3
数据范围
小明
- Status
- Done
- Rule
- OI
- Problem
- 13
- Start at
- 2024-6-16 7:00
- End at
- 2025-1-10 15:00
- Duration
- 5000 hour(s)
- Host
- Partic.
- 5