Nily

摘要： 题目描述：Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime compl... 阅读全文

摘要： 一个难度为Easy的题，看了好多人的题解都没想明白，最后使劲想使劲想，才想的差不多。。太弱了，要找不到工作了。。题目描述：The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like t... 阅读全文