C++ OOP洗牌解Leetcode 384 Shuffle an Array

C++ oop洗牌解Leetcode 384  Shuffle an Array

[codes on Leetcode]https://leetcode.com/problems/shuffle-an-array/solutions/6676446/stl-shuffle-vs-fisher-yates-algorithm/

[C++洗牌shuffle與Fisher Yates演算, 大樂透開獎]

python單一迴圈解答最佳股票的買賣時機LeetCode 121 Best Time to Buy and Sell Stock

先說明一下這是後知後覺的解答，所謂後知就是股票價格已知存在陣列(清單)，當然就要用迴圈練習，雙迴圈暴力解需時O(n**2)，當然不用，採python單一迴圈解答「最佳股票的買賣時機#LeetCode 121  Best Time to Buy and Sell Stock」，解法簡單快速O(n)時間。

C++ Py3計數解Leetcode 781 Rabbits in Forest

C++ Py3計數解Leetcode 781 Rabbits in Forest

[codes on Leetcode]https://leetcode.com/problems/rabbits-in-forest/solutions/6668360/group-numbers-with-x-at-most-size-x-1-1-liner-beats-100/

[Python C++計數速解Leetcode 945 Minimum Increment to Make Array Unique]https://www.youtube.com/watch?v=tS-kunvQwcc