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leetCode 52.N-Queens II (n皇后问题II) 解题思路和方法
N-Queens II Follow up for N-Queens problem. Now, instead outputting board configurations, return the total number of distinct solutions. 思路:解决了上题,这题也就迎刃而解,或者说这题要不上题还要简单一些。 具体代码如下: pub...
分类:其他好文   时间:2015-07-13 16:19:17    阅读次数:111
Socket的连接问题
case 10004: error = "Interrupted system call 中断的系统呼叫"; break; case 10009: error = "Bad file number"; break; case 10013: error = "Permission denied 进入被...
分类:其他好文   时间:2015-07-13 16:02:47    阅读次数:100
Oracle数组类型
Oracle数组类型Oracle的数组类型,范例:Sql代码 create or replace function my_test(p_str varchar2) return number as--普通变量 v_var varchar2(1000); --固定长度数组 type v_ar is v...
分类:数据库   时间:2015-07-13 16:01:16    阅读次数:167
sysutil.c
/* * sysutil.c * * Routines to make the libc/syscall API more pleasant to use. Long term, * more libc/syscalls will go in here to reduce the number of...
分类:其他好文   时间:2015-07-13 15:59:26    阅读次数:175
SQL2008--行号的得到
WITH DataTable AS( select *, ROW_NUMBER() OVER(order by ID) as Rowno from (select * from UserInfo) as TempTable) select * from DataTable where Rowno b...
分类:数据库   时间:2015-07-13 15:43:33    阅读次数:180
[LeetCode][Java] Combination Sum
题目: 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 unlim...
分类:编程语言   时间:2015-07-13 14:14:44    阅读次数:313
[LeetCode][Java] Combination Sum II
题目: 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 number in C may only be used once in th...
分类:编程语言   时间:2015-07-13 14:12:12    阅读次数:172
poj3250 Bad Hair Day
Description Some of Farmer John's N cows (1 ≤ N ≤ 80,000) are having a bad hair day! Since each cow is self-conscious about her messy hairstyle, FJ wants to count the number of other cows that can ...
分类:其他好文   时间:2015-07-13 14:01:45    阅读次数:135
JavaScript复习笔记:Object(对象)
1:Js内置对象有Number,Array,String,Date,Math 2:自定义对象js提供了构建自定义对象.使用对象而不只是一个函数集合,是编写清洁,高效,可重复是的js代码的关键;1)使用对象语法:一个对象实际是只是一个容器,它将多个值,多个函数组合在一起.对象的值被称为属性,对象...
分类:编程语言   时间:2015-07-13 13:49:57    阅读次数:118
【LeetCode】233. Number of Digit One
Number of Digit OneGiven an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n.For example:Gi...
分类:其他好文   时间:2015-07-13 13:41:28    阅读次数:103
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