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[leetcode] Perfect Squares
题目:Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n.For example, given n = 1...
分类:其他好文   时间:2015-12-13 09:51:42    阅读次数:125
291. Word Pattern II
题目:Given apatternand a stringstr, find ifstrfollows the same pattern.Herefollowmeans a full match, such that there is a bijection between a letter inp...
分类:其他好文   时间:2015-12-13 07:18:32    阅读次数:232
LeetCode-Max Points On a Line题解
一. 题意描述Givennpoints on a 2D plane, find the maximum number of points that lie on the same straight line.二. 题目分析看到这道题想到的第一种方法是暴力枚举法,时间复杂度为O(n3),显然是不够好的...
分类:其他好文   时间:2015-12-12 23:11:21    阅读次数:224
Find Median from Data Stream
常规方法 超时class MedianFinder { vector coll;public: MedianFinder(){ } void heapfu(vector& coll,int idx,int max){ int left=2*idx...
分类:其他好文   时间:2015-12-12 21:42:53    阅读次数:181
支线任务六
题目:Givennpoints on a 2D plane, find the maximum number of points that lie on the same straight line.给出一系列点,求出点的个数最多的那条直线。两点确定一条直线,N个点就有N(N-1)/2条直线,相同直...
分类:其他好文   时间:2015-12-12 18:33:47    阅读次数:121
并查集
int Find (int t)//找{ if(vest[t]==0)return t;//找到其祖先vest[]d的数组初始化为零 return Find(vest[t]);//继续查找}void HeBing(int a,int b){ int x=Find(a); int y=Find...
分类:其他好文   时间:2015-12-12 16:55:38    阅读次数:152
236.Lowest Common Ancestor of a Binary Tree
Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree.According to the definition of LCA on Wikipedia: “The lowest...
分类:其他好文   时间:2015-12-12 16:55:35    阅读次数:186
313.Super Ugly Number
Write a program to find the nth super ugly number.Super ugly numbers are positive numbers whose all prime factors are in the given prime list primes o...
分类:其他好文   时间:2015-12-12 16:49:24    阅读次数:290
[Linked List]Intersection of Two Linked Lists
Total Accepted:53721Total Submissions:180705Difficulty:EasyWrite a program to find the node at which the intersection of two singly linked lists begin...
分类:其他好文   时间:2015-12-12 16:48:30    阅读次数:132
《AndroidStudio每日一贴》10. 选择查找结果
更多实用技巧请查看《AndroidStudio实用指南》前提条件:在当前文件中查找一个关键字”container”1.同时选中所有查找到的结果操作步骤:? 菜单栏: Edit —> Find —> Select All Occurrences? 快捷键(Mac): control + Command + G效果如下:所有的container都被选中了.2.连续选择当前及下一个结果假设你当前选中了一个...
分类:移动开发   时间:2015-12-12 15:35:16    阅读次数:208
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