2017 年 3月 20 日随笔档案 - Ci_pea

2017年3月20日

摘要： Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? 阅读全文

posted @ 2017-03-20 19:44 Ci_pea 阅读(103) 评论(0) 推荐(0) 编辑

摘要： Given an array of integers, every element appears twice except for one. Find that single one. Note:Your algorithm should have a linear runtime complex 阅读全文

posted @ 2017-03-20 19:38 Ci_pea 阅读(153) 评论(0) 推荐(0) 编辑

125. Valid Palindrome

摘要： Given a string, determine if it is a palindrome（回文）, considering only alphanumeric（字母数字的） characters and ignoring cases. For example,"A man, a plan, a 阅读全文

posted @ 2017-03-20 19:00 Ci_pea 阅读(158) 评论(0) 推荐(0) 编辑