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 @ 2016-09-12 06:41
Machelsky
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摘要：
Write a function to find the longest common prefix string amongst an array of strings. Solution1: 思路：没有想到什么巧妙方法。就用recursion暴力硬做。发现只要想法对，recursion怎么做都能 阅读全文
posted @ 2016-09-12 06:31
Machelsky
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摘要：
Write a program to find the node at which the intersection of two singly linked lists begins. For example, the following two linked lists: begin to in 阅读全文
posted @ 2016-09-12 05:20
Machelsky
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摘要：
Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? Solution1: 思路：有cycle：1.循环退不出来2.有个节点被指两次。 阅读全文
posted @ 2016-09-12 04:35
Machelsky
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摘要：
Determine whether an integer is a palindrome. Do this without extra space. Solution1: 思路：按题目的意思就是负数不能是palindrome。用reverse integer函数判断即可。 阅读全文
posted @ 2016-09-12 03:44
Machelsky
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