python C++速解Leetcode 1347 Minimum Number of Steps to Make Two Strings A...

python cpp速解Leetcode 1347  Minimum Number of Steps to Make Two Strings Anagram

No need for hash table. there are are just 26 alphabets.

s is anagram of t  ⟺ freq(s)==freq(t)

In other words, s is a permutation of t.

Python C++解二元搜尋樹問題Leetcode 938 Range Sum of BST

Python C++解二元搜尋樹問題Leetcode 938  Range Sum of BST。其實這是蠻典型二元收尋樹的問題，可以試著使用preorder, postorder & inorder等不同走訪的方式來解，二元收尋樹是資料結構的內容，會用它來寫程式跟不會用，就有顯著的區隔。

Python C++速解Leetcode 2125 Number of Laser Beams in a Bank

Python C++速解Leetcode 2125  Number of Laser Beams in a Bank

Python C++速解Leetcode 1624 Largest Substring Between Two Equal Characters

Python C++速解Leetcode 1624 Largest Substring Between Two Equal Characters。2023年底是簡單題Leetcode 1624. Largest Substring Between Two Equal Characters，無需Hash table，用array才是王道

Python C++速解Leetcode 1897 Redistribute Characters to Make All Strings E...

Python CPP速解Leetcode 1897  Redistribute Characters to Make All Strings Equal。簡單問題要找到解方，想太複雜就不好了

C++ Python DP動態規劃解Leetcode 91 Decode Ways

C++ Python DP動態規劃解Leetcode 91  Decode Ways

Python C++ hash set解Leetcode 1496 Path Crossing

Python C++ hash set解Leetcode 1496  Path Crossing

python nsmallest與C++ nth_element解巧克力Leetcode2706 Buy Two Chocolates

python nsmallest與C++ nth_element解巧克力Leetcode2706  Buy Two Chocolates

python 1line solves Leetcode 1913 Maximum Product Difference Between Two Pairs

Python C++秒搞定Leetcode 242 Valid Anagram

Python C++秒搞定Leetcode 242  Valid Anagram。其實解這問題C++, Python都有1 line code，有興趣者請進: