_0384

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Published: Jun 12, 2025 License: MIT Imports: 1 Imported by: 0

README

打乱数组

给你一个整数数组 nums ,设计算法来打乱一个没有重复元素的数组。

实现 Solution class:

  • Solution(int[] nums) 使用整数数组 nums 初始化对象
  • int[] reset() 重设数组到它的初始状态并返回
  • int[] shuffle() 返回数组随机打乱后的结果

示例:

输入
["Solution", "shuffle", "reset", "shuffle"]
[[[1, 2, 3]], [], [], []]
输出
[null, [3, 1, 2], [1, 2, 3], [1, 3, 2]]

解释
Solution solution = new Solution([1, 2, 3]);
solution.shuffle();    // 打乱数组 [1,2,3] 并返回结果。任何 [1,2,3]的排列返回的概率应该相同。例如,返回 [3, 1, 2]
solution.reset();      // 重设数组到它的初始状态 [1, 2, 3] 。返回 [1, 2, 3]
solution.shuffle();    // 随机返回数组 [1, 2, 3] 打乱后的结果。例如,返回 [1, 3, 2]

提示:

  • 1 <= nums.length <= 200
  • -106 <= nums[i] <= 106
  • nums 中的所有元素都是 唯一的
  • 最多可以调用 5 * 104resetshuffle

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Solution

type Solution struct {
}

func Constructor

func Constructor(nums []int) Solution

func (*Solution) Reset

func (this *Solution) Reset() []int

func (*Solution) Shuffle

func (this *Solution) Shuffle() []int

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