码迷,mamicode.com
首页 >  
搜索关键字:distinct    ( 3361个结果
70.Climbing Stairs(法1递归穷举法2动态规划)
You are climbing a stair case. It takes n steps to reachto the top. Each time you can either climb 1 or 2 steps. In how many distinct ways canyou climb to the top? HideTags  Dynamic Programming ...
分类:其他好文   时间:2015-02-02 23:15:59    阅读次数:283
N-Queens -- leetcode
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n-queens puzzle. ...
分类:其他好文   时间:2015-02-02 18:11:32    阅读次数:128
Oracle中over()
select to_date(:fr_date,'yyyy-mm-dd') f_date,to_date(:to_date,'yyyy-mm-dd') t_date,nnd,count(distinct memb_id) memb_count,count(bill_id) bill_count,su...
分类:数据库   时间:2015-02-02 13:59:02    阅读次数:129
Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example, Given 1->2->3->3->4->4->5, return 1->2->5. Given 1->...
分类:其他好文   时间:2015-02-01 16:10:35    阅读次数:187
1020. Tree Traversals (序列建树)
Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou...
分类:其他好文   时间:2015-01-28 14:32:56    阅读次数:152
【Oracle】去除表中重复的数据
删除表重复数据 (t1表中有重复数据)1、使用distinct create table t2 as select * from t1;create table tmp_t2 as select distinct * from t2;drop table t2;alter table tmp_t2 ...
分类:数据库   时间:2015-01-28 14:32:03    阅读次数:131
获取同一字段不同的值
使用distinct 函数获取DataFromCountry 字段不同的值select distinct DataFromCountry from PAP_Selloutselect distinct DataFromCountry from PAP_Inventory
分类:其他好文   时间:2015-01-28 12:31:42    阅读次数:178
leetcode 159: Longest Substring with At Most Two Distinct Characters
Total Accepted: 1167 Total Submissions: 3961 Given a string, find the length of the longest substring T that contains at most 2 distinct characters. For example,Given s = “eceba”, T is...
分类:其他好文   时间:2015-01-28 06:15:59    阅读次数:149
SQL 基本关键字 函数 关联 连接
http://www.w3cschool.cn/sql_having.html w3c中有些SQL的讲解1 order by 排序SELECT Company, OrderNumber FROM Orders ORDER BY Company;2 distinct 去重SELECT DISTINCT...
分类:数据库   时间:2015-01-27 18:16:12    阅读次数:256
UVA 10069 ---Distinct Subsequences +DP+大数
可以定义dp[i][j]表示第一个串的前i个字符中含有第二个串的前j个字符的总情况数; 则:如dp[i][j]=dp[i-1][j],如果str1[i]==str2[j]则dp[i][j]+=dp[i-1][j-1]; 初始时讲所有的dp[i][0]赋值为1,其他为0。 然后这个题目需要用到大数,可以用C++重载运算符,或者是java的大数类; 我用的是java,第一次用java的大数,感...
分类:其他好文   时间:2015-01-27 16:20:39    阅读次数:161
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!