171. Excel Sheet Column Number https://leetcode.com/problems/excel-sheet...

242. Valid Anagram https://leetcode.com/problems/valid-anagram/descripti...

描述 Given a string representing one Unicode character, return an integer ...

409. Longest Palindrome https://leetcode.com/problems/longest-palindrome...

125. Valid Palindrome https://leetcode.com/problems/valid-palindrome/des...

描述 Python isalnum() 方法檢測字符串是否由字母和數(shù)字組成奋单。 語法 isalnum()方法語法： 返回值 如果 string 至...

51. N-Queens https://leetcode.com/problems/n-queens/description/ 該類題目主要思...

651. Binary Tree Vertical Order Traversal https://www.lintcode.com/probl...

Python中除法有兩種運(yùn)算符：’/’和’//’. X / Y類型：在Python2.6或者之前逆日，這個操作對于整數(shù)運(yùn)算會省去小數(shù)部分件豌，而對于浮點(diǎn)...