2015年3月20日

Palindrome Number

摘要： Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers be palindromes? (i... 阅读全文

posted @ 2015-03-20 10:36 绿树荫 阅读(123) 评论(0) 推荐(0) 编辑

Longest Substring Without Repeating Characters

摘要： Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo... 阅读全文

posted @ 2015-03-20 08:48 绿树荫 阅读(112) 评论(0) 推荐(0) 编辑

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