Given a binary tree, find its maximum depth. The maximu…

Given a binary tree, check whether it is a mirror of it…

本文主要是参考了http://blog.echen.me/2011/07/18/introduction-to…

这题也是博主最近面试中遇到的一题，这个面试大厂还是要好好刷题的，面试过程写了native版本，但是也要学会这一…

Given two binary trees, write a function to check if th…

Given two sorted integer arrays nums1 and nums2, merge …

Given a sorted linked list, delete all duplicates such …

Given two binary strings, return their sum (also a bina…

Given a string s consists of upper/lower-case alphabets…

Given an integer array nums, find the contiguous subarr…

The count-and-say sequence is the sequence of integers …

Given a sorted array and a target value, return the ind…

Implement strStr(). Return the index of the first occur…

Given a sorted array nums, remove the duplicates in-pla…

Merge two sorted linked lists and return it as a new li…

Given a string containing just the characters ‘(‘, ‘)’,…

Write a function to find the longest common prefix stri…

tensorflow最近开源了TF-RANKING，看代码的时候发现反复使用了six库，说实话一直在用pyth…