[LeetCode] Random Pick Index 隨機拾取序列
Given an array of integers with possible duplicates, randomly output the index of a given target ...
原文：[LeetCode] Random Pick with Weight 根據權重隨機取點
Given an arraywof positive integers, wherew i describes the weight of indexi,write a functionpickIndexwhich randomlypicks an indexin proportionto its weight. Note: lt w.length lt lt w i lt pickIndexw ...
2018-10-13 23:05 5 7778 推薦指數：
相關推薦
[LeetCode] Random Pick with Blacklist 帶黑名單的隨機選取
Given a blacklist B containing unique integers from [0, N), write a function to return a uniform random integer from [0, N) which is NOT in B. ...
java Random 帶權重的隨機選擇
實際場景中，經常要從多個選項中隨機選擇一個，不過，不同選項經常有不同的權重。 ...
[LeetCode] 339. Nested List Weight Sum 嵌套鏈表權重和
Given a nested list of integers, return the sum of all integers in the list weighted by their dep ...
[LeetCode] 478. Generate Random Point in a Circle 生成圓中的隨機點
Given the radius and x-y positions of the center of a circle, write a function randPoint which generates a uniform random point in the circle. ...
[LeetCode] Random Point in Non-overlapping Rectangles 非重疊矩形中的隨機點
Given a list of non-overlapping axis-aligned rectangles rects, write a function pick which randomly and uniformily picks an integer point ...
【LeetCode】隨機化算法 random（共6題）
的時候，對於每一個元素 res[i], 都隨機出一個 res[j]，交換這兩個元素就可以了。 ...
[LeetCode] 364. Nested List Weight Sum II 嵌套鏈表權重和之二
Given a nested list of integers, return the sum of all integers in the list weighted by their dep ...