题目来自:LeetCode
https://leetcode.com/problems/populating-next-right-pointers-in-each-node/
Given a binary tree
struct TreeLinkNode {
TreeLinkNode *left;
TreeLinkNode *right;
...
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其他好文 时间:
2015-04-23 13:22:50
阅读次数:
143
Problem DescriptionAfter AC all the hardest problems in the world , the ACboy 8006 now has nothing to do . So he develops a special text editor.The te...
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其他好文 时间:
2015-04-22 20:28:49
阅读次数:
204
题目来自于:LeetCode
https://leetcode.com/problems/minimum-path-sum/
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of...
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其他好文 时间:
2015-04-22 18:20:03
阅读次数:
115
https://leetcode.com/problems/binary-tree-right-side-view/Given a binary tree, imagine yourself standing on therightside of it, return the values of t...
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其他好文 时间:
2015-04-22 17:43:52
阅读次数:
95
https://leetcode.com/problems/clone-graph/Clone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.OJ's undirected ...
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其他好文 时间:
2015-04-22 17:38:19
阅读次数:
117
Introduction
本文介绍python编程中很难捕捉10大错误
(Note: This article is intended for a more advanced audience than
Common Mistakes of Python Programmers, which is
geared(适合) more toward those who are new...
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编程语言 时间:
2015-04-21 20:43:40
阅读次数:
245
题目来自于leetcode
https://leetcode.com/problems/path-sum/
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the ...
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其他好文 时间:
2015-04-21 18:05:43
阅读次数:
156
https://leetcode.com/problems/powx-n/Implement pow(x,n).解题思路:这种math的题目本来就不擅长,看到题目tag里有binary search,很是疑问,不知道怎么解。直接写网友的思路吧,其实就是递归。对幂数n折半递归,递归结束的条件为n达到0...
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其他好文 时间:
2015-04-21 17:58:31
阅读次数:
116
题目地址:https://leetcode.com/problems/palindrome-partitioning-ii/题目解析:此问题可以使用动态规划,用一个数组保存前i个字符需要的最少cut数,前i+1个字符串的最小cut数为前j个字符所需的cut数(j+1到i个字符为回文)+1;题目解答:...
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其他好文 时间:
2015-04-21 01:40:04
阅读次数:
98
Kalman滤波简介 Kalman滤波是一种线性滤波与预测方法,原文为:A New Approach to Linear Filtering and Prediction Problems。文章推导很复杂,看了一半就看不下去了,既然不能透彻理解其原理,但总可以通过实验来理解其具体的使用方法。 K.....
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其他好文 时间:
2015-04-20 22:07:36
阅读次数:
314