摘要：
Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. 题意：返回在字符串中子字符串出现的第一个位置，没 阅读全文
posted @ 2016-12-24 13:39
wilderness
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摘要：
Given an array and a value, remove all instances of that value in place and return the new length. Do not allocate extra space for another array, you 阅读全文
posted @ 2016-12-24 13:24
wilderness
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摘要：
Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra space fo 阅读全文
posted @ 2016-12-24 12:53
wilderness
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Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2->1->4->3. Your a 阅读全文
posted @ 2016-12-24 12:29
wilderness
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