Given a set of distinct integers, nums, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets.
For ...
分类:
其他好文 时间:
2015-07-11 09:16:34
阅读次数:
150
正确写法insert into hhf_records(RegistrationNumber,MachinesNumber,InDataTime,Flag,CType) values (11,1,datetime('2014-10-15 07:50:34'),0,0);select LAST_INS...
分类:
数据库 时间:
2015-07-10 20:31:20
阅读次数:
181
217 Contains Duplicate链接:https://leetcode.com/problems/contains-duplicate/
问题描述:
Given an array of integers, find if the array contains any duplicates. Your function should return true if any valu...
分类:
其他好文 时间:
2015-07-10 09:34:14
阅读次数:
118
219 Contains Duplicate II链接:https://leetcode.com/problems/contains-duplicate-ii/
问题描述:
Given an array of integers and an integer k, find out whether there there are two distinct indices i and j in...
分类:
其他好文 时间:
2015-07-10 09:30:38
阅读次数:
113
这个错误是说,由于某个SQL操作造成了,表中主键重复。例子: create table t(x int,y int,z int, primary key(x,y)); insert into t(x,y,z) values(1,1,0),(1,2,0),(1,3,0); --在这里还是好的,下...
分类:
其他好文 时间:
2015-07-09 17:46:34
阅读次数:
212
题目描述
链接地址
解法题目描述Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. ExampleGiven 1->2->3->3->4->4->5, return 1->2->5.
Given...
分类:
其他好文 时间:
2015-07-09 00:56:36
阅读次数:
127
When the sending side sees a duplicate ACK, it knows that the other side must have received a packet out of order, which suggests that an earlier packet might have been lost.
Since it is also p...
分类:
其他好文 时间:
2015-07-08 16:37:40
阅读次数:
158
一、Duplicate EmailsWrite a SQL query to find all duplicate emails in a table namedPerson.+----+---------+| Id | Email |+----+---------+| 1 | a@b.com...
分类:
数据库 时间:
2015-07-08 16:12:28
阅读次数:
151
Given a collection of integers that might contain duplicates, nums, return all possible subsets.Note:
Elements in a subset must be in non-descending order.
The solution set must not contain duplicate...
分类:
其他好文 时间:
2015-07-08 12:57:07
阅读次数:
88
查找是否存在重复的数,直接定义map进行记录。或者用哈希也可以。 1 class Solution { 2 public: 3 bool containsDuplicate(vector& nums) { 4 map mymap; 5 int size=num...
分类:
其他好文 时间:
2015-07-08 12:34:47
阅读次数:
105