發(fā)簡信
IP屬地：上海
一.解法 https://leetcode-cn.com/problems/bulls-and-cows/ 要點：hashmapP...
一.解法 https://leetcode-cn.com/problems/nim-game/ 要點：數(shù)學，動態(tài)規(guī)劃一開始想到用動...
一.解法 https://leetcode-cn.com/problems/word-pattern/ 要點：hashmapPytho...
一.解法 https://leetcode-cn.com/problems/move-zeroes/ 要點：雙指針C++用了從后往前找0冒...
一.解法 https://leetcode-cn.com/problems/first-bad-version/ 要點：二分法Python...
一.解法 https://leetcode-cn.com/problems/missing-number/要點：數(shù)學，hashmap，排序C++...
一.解法 https://leetcode-cn.com/problems/ugly-number/要點：數(shù)學丑數(shù)除去所有的2，所有的3，所有的...
一.解法 https://leetcode-cn.com/problems/add-digits/要點：數(shù)學這道題可以用循環(huán)方法解決，將給定的數(shù)...
一.解法 https://leetcode-cn.com/problems/binary-tree-paths/要點：遞歸，DFSPython，...