摘要：
标题：Add Binary通过率：25.1%难度：简单Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".本题主要就是模拟二进制去处理，跟上次做到... 阅读全文
摘要：
标题：Count and Say通过率：25.8%难度：简单The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1is read off as"... 阅读全文