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LeetCode Unique Paths II
Follow up for "Unique Paths": Now consider if some obstacles are added to the grids. How many unique paths would there be? An obstacle and empty space is marked as 1 and 0 respectively in the ...
分类:其他好文   时间:2015-03-28 01:17:37    阅读次数:137
Leetcode #96 Unique Binary Search Trees
题目链接:https://leetcode.com/problems/unique-binary-search-trees/从最简单的情况开始考虑:n = 0 : 只有“空树”这一种情况。f[0] = 1。n = 1 : 只有“根节点”这一种情况。f[1] = 1。 n = 2 :由于“根节点”必须...
分类:其他好文   时间:2015-03-27 23:47:24    阅读次数:236
LeetCode Algorithm 05
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
分类:其他好文   时间:2015-03-22 00:18:36    阅读次数:134
BZOJ 1083: [SCOI2005]繁忙的都市(MST)
裸的最小生成树..直接跑就行了----------------------------------------------------------------------#include#include#include#define rep(i,n) for(int i=0;i edges; vo....
分类:其他好文   时间:2015-03-22 00:12:44    阅读次数:155
Q7: Unique Binary Search Trees
问题描述:Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's...
分类:其他好文   时间:2015-03-21 22:49:36    阅读次数:156
LeetCode—**Combination Sum 利用DFS算法
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. The same repeated number may be chosen from C unlimited numb...
分类:编程语言   时间:2015-03-21 17:10:57    阅读次数:193
Unique Binary Search Trees
问题来源:https://leetcode.com/problems/unique-binary-search-trees//** * * * ClassName UniqueBinarySearchTrees * * * Description Given n, how many structurally unique BST's (binary searc...
分类:其他好文   时间:2015-03-21 12:40:04    阅读次数:135
leetcode------Combination Sum II
标题:Combination Sum II通过率:25.1%难度:中等Given a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the cand...
分类:其他好文   时间:2015-03-20 20:07:07    阅读次数:111
【LeetCode从零单排】No15 3Sum
题目Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero.Note:Elements in a triplet (a,b,c) must be ...
分类:其他好文   时间:2015-03-20 18:43:56    阅读次数:168
SQL常用
use db_sqlserver;gocreate table db_table6( 订单编号 int primary key, 订单号 varchar(50) unique, 职工号 varchar(50) references db_table5(职工号), 订购日期 datetime...
分类:数据库   时间:2015-03-20 18:17:32    阅读次数:221
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