_0478

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Published: Feb 20, 2024 License: MIT Imports: 1 Imported by: 0

README

在圆内随机生成点

给定圆的半径和圆心的位置,实现函数 randPoint ,在圆中产生均匀随机点。

实现 Solution 类:

  • Solution(double radius, double x_center, double y_center) 用圆的半径 radius 和圆心的位置 (x_center, y_center) 初始化对象
  • randPoint() 返回圆内的一个随机点。圆周上的一点被认为在圆内。答案作为数组返回 [x, y]

示例 1:

输入: 
["Solution","randPoint","randPoint","randPoint"]
[[1.0, 0.0, 0.0], [], [], []]
输出: [null, [-0.02493, -0.38077], [0.82314, 0.38945], [0.36572, 0.17248]]
解释:
Solution solution = new Solution(1.0, 0.0, 0.0);
solution.randPoint ();//返回[-0.02493,-0.38077]
solution.randPoint ();//返回[0.82314,0.38945]
solution.randPoint ();//返回[0.36572,0.17248]

提示:

  • 0 < radius <= 108
  • -107 <= x_center, y_center <= 107
  • randPoint 最多被调用 3 * 104 次

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(radius float64, x_center float64, y_center float64) Solution

func (*Solution) RandPoint

func (this *Solution) RandPoint() []float64

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