_0397

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Published: Feb 20, 2024 License: MIT Imports: 0 Imported by: 0

README

整数替换

给定一个正整数 n ,你可以做如下操作:

  1. 如果 n是偶数,则用 n / 2替换 n
  2. 如果 n__是奇数,则可以用 n + 1n - 1替换 nn__变为 1 所需的最小替换次数是多少?

示例 1:

输入:n = 8
输出:3
解释:8 -> 4 -> 2 -> 1

示例 2:

输入:n = 7
输出:4
解释:7 -> 8 -> 4 -> 2 -> 1
或 7 -> 6 -> 3 -> 2 -> 1

示例 3:

输入:n = 4
输出:2

提示:

  • 1 <= n <= 231 - 1

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