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参考：白话经典算法系列之七 堆与堆排序 阅读全文
posted @ 2017-05-13 21:00
wxquare
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给定一个整数数组，a[1],a[2],...,a[n]，每一个元素a[i]可以和它右边的（a[i+1],a[i+2],...,a[n]）元素做差，求这个数组中最大的差值，例如a={0,3,9,1,3,5}这个数组最大的差值就是9-1=8; class Solution { public: int m 阅读全文
posted @ 2017-05-13 16:56
wxquare
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1.Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? 2.Given a linked list, return the node 阅读全文
posted @ 2017-05-13 11:57
wxquare
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Lowest Common Ancestor of a Binary Tree(二叉树的最近公共父亲节点) Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. Accor 阅读全文
posted @ 2017-05-13 11:49
wxquare
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Given a binary tree, flatten it to a linked list in-place. For example,Given The flattened tree should look like: 阅读全文
posted @ 2017-05-13 11:35
wxquare
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