Given an arraySofnintegers, are there
elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in
the array which gives the sum of ...
分类:
其他好文 时间:
2014-06-04 22:44:27
阅读次数:
250
1.select sum(CASE WHEN A.[STATUS]=0 THEN 1 ELSE
0 end) as a1,sum(CASE A.[STATUS] WHEN 1 THEN 1 ELSE 0 end) as a2,sum(CASE
A.[STATUS] WHEN 2 THEN 1 ELS...
分类:
数据库 时间:
2014-06-04 21:10:46
阅读次数:
513
Given amxngrid filled with non-negative
numbers, find a path from top left to bottom right whichminimizesthe sum of all
numbers along its path.Note:Yo...
分类:
其他好文 时间:
2014-06-04 20:57:08
阅读次数:
360
Given a set of candidate numbers (C) and a
target number (T), find all unique combinations inCwhere the candidate numbers
sums toT.Thesamerepeated num...
分类:
其他好文 时间:
2014-06-04 20:15:09
阅读次数:
289
Given a collection of candidate numbers (C) and
a target number (T), find all unique combinations inCwhere the candidate numbers
sums toT.Each number ...
分类:
其他好文 时间:
2014-06-04 20:14:25
阅读次数:
287
一次过,思路是:最大收益可以由所有上升序列差价叠加中获得 1 public class
Solution { 2 public int maxProfit(int[] prices) { 3 int profit = 0; 4 if
(prices.lengt...
分类:
其他好文 时间:
2014-05-29 20:43:33
阅读次数:
254
题意:所给数据中是否有负环? 没有负环的图中所有路径中最短的值思路:1. bellmanford
判断负环2.flodyWarshall 求所有定点的最短路径细节:1. bellmanford 算法时间复杂度为 o(n^3), 因为图的使用邻接矩阵存储的,
使用邻接表代码会容易理解些, 引用 wik...
分类:
其他好文 时间:
2014-05-29 20:41:30
阅读次数:
237
题意:computing a max-spacingk-clustering.spacing 是指两个
cluster 之间的最小距离输入:[number_of_nodes][edge 1 node 1] [edge 1 node 2] [edge 1
cost][edge 2 node 1] [e...
分类:
其他好文 时间:
2014-05-29 20:40:30
阅读次数:
323
题意:what is the largest value ofksuch that there is
ak-clustering with spacing at least 3? That is, how many clusters are needed to
ensure that no pair...
分类:
其他好文 时间:
2014-05-29 20:39:26
阅读次数:
305
原题地址:https://oj.leetcode.com/problems/subsets-ii/题意:Given
a collection of integers that might contain duplicates,S, return all possible
subsets.Note:E...
分类:
编程语言 时间:
2014-05-29 19:10:53
阅读次数:
278