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【leetcode】3Sum
3SumGiven an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:El...
分类:其他好文   时间:2014-12-28 20:43:43    阅读次数:117
[LeetCode] Combination Sum II
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. Each num...
分类:其他好文   时间:2014-12-28 20:42:50    阅读次数:108
[leetcode]Unique Binary Search Trees II
问题描述: Given n, generate all structurally unique BST's (binary search trees) that store values 1...n. For example, Given n = 3, your program should return all 5 unique BST's shown below. 1 ...
分类:其他好文   时间:2014-12-28 16:57:22    阅读次数:142
leetcode. Permutation Sequence
The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie...
分类:其他好文   时间:2014-12-28 16:45:20    阅读次数:177
[LeetCode] Combination Sum
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 repeat...
分类:其他好文   时间:2014-12-28 12:51:44    阅读次数:139
[leetcode]Sudoku Solver
问题描述: Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character '.'. You may assume that there will be only one unique solution. A sud...
分类:其他好文   时间:2014-12-28 11:42:52    阅读次数:360
Hibernate关联关系通俗口诀以及模板配置
一.一对一1.口诀:首先明了外或主若是外则唯一多多中属性油腻克(unique)若是主则约束主一中属性坑死德(constrained)油先生和坑先生两者皆对大欢喜(true)2.一对一(基于外键的一对一)1.1无外键方:<one-to-onename=""class=""property-ref=""></one-to-one>1..
分类:Web程序   时间:2014-12-28 01:55:45    阅读次数:178
POJ1679 The Unique MST【Kruskal】【次小生成树】
题目大意:给你N个点M条边的图,问:图的最小生成树是否唯一。 思路:参考算法书,在kruskal算法的基础上进行修改,加入(x,y)两点在最小生成树 上路径最长的边的计算。使用了链式前向星记录每个集合中含有那些点。 在合并集合(邻接表)的时候,为了方便,加入了End[]记录邻接表尾节点的位置。 MST表示最小生成树的大小,SecMST表示次小生成树的大小。最后判断是否想等 即可。...
分类:其他好文   时间:2014-12-28 00:31:28    阅读次数:187
[LeetCode]95.Unique Binary Search Trees II
【题目】 Given n, generate all structurally unique BST's (binary search trees) that store values 1...n. For example, Given n = 3, your program should return all 5 unique BST's shown below. 1 ...
分类:其他好文   时间:2014-12-27 16:11:53    阅读次数:109
[leetcode] Combination Sum
Combination SumGiven a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thes...
分类:其他好文   时间:2014-12-27 13:54:43    阅读次数:115
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