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sicily 1176 two ends 动态规划解题
1176. Two EndsConstraintsTime Limit: 1 secs, Memory Limit: 64 MBDescriptionIn the two-player game "Two Ends", an even number of cards is laid out in a...
分类:其他好文   时间:2014-09-29 04:25:56    阅读次数:194
Secured RESTful API that can be used by Web App
You seem to be confusing/merging two different concepts together. We start of talking about encrypting traffic (HTTPS) and then we start talking about different ways to manage authenticated session...
分类:移动开发   时间:2014-09-29 02:50:48    阅读次数:345
[LeetCode]Swap Nodes in Pairs 成对交换
Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. Y...
分类:其他好文   时间:2014-09-29 01:40:57    阅读次数:297
hdu 5050 Divided Land
题目:本质是求两个数的最大公约数,java大数真好用 ^_^。 import java.math.BigInteger; import java.util.Scanner; public class Main { public static void main(String[] args) { BigInteger TWO = BigInteger...
分类:其他好文   时间:2014-09-28 19:31:54    阅读次数:199
Codeforces 468B Two Sets 并查集
题目大意:给出n个数,要求将n个数分配到两个集合中,集合0中的元素x,要求A-x也再0中,同理1集合。 写了几个版本,一直WA在第8组数据...最后参考下ans,写了并查集过了 学到:1、注意离散的逻辑思维,官方答案的 从条件推逆否命题 2、并查集做法:fa[find(i)]=mp[a-p[i]] ? find(a-p[i]) : find(n+2); 3、离散化然后has...
分类:其他好文   时间:2014-09-28 18:42:35    阅读次数:240
在手机中预置联系人/Service Number
代码分为两部分: Part One 将预置的联系人插入到数据库中; Part Two 保证预置联系人只读,无法被编辑删除(在三个地方屏蔽对预置联系人进行编辑处理:联系人详情界面、联系人多选界面、新建联系人选择合并联系人时)。 【注意】如果您不需要限制预置联系人的删除/编辑操作,加入Part One部分代码即可,并去掉第三步”新增函数“  中的语句:contactvalues.put(RawC...
分类:移动开发   时间:2014-09-28 16:03:53    阅读次数:222
leetcode - Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. Y...
分类:其他好文   时间:2014-09-28 14:33:56    阅读次数:178
HDU 5050 Divided Land(进制转换)
题意  给你两个二进制数m,n   求他们的最大公约数  用二进制表示  0 先把二进制转换为十进制  求出最大公约数  再把结果转换为二进制  数比较大要用到大数 import java.util.*; import java.math.*; public class wl6_9 { static BigInteger two = BigInteger.valueOf(2), one ...
分类:其他好文   时间:2014-09-28 12:58:32    阅读次数:225
Codeforces Round #269 (Div. 2)
Two polar bears Menshykov and Uslada from the St.Petersburg zoo and elephant Horace from the Kiev zoo got six sticks to play with and assess the animals' creativity. Menshykov, Uslada and Horace decid...
分类:其他好文   时间:2014-09-28 10:50:23    阅读次数:196
HDU - 5047 Sawtooth
Problem Description Think about a plane: ● One straight line can divide a plane into two regions. ● Two lines can divide a plane into at most four regions. ● Three lines can divide a plane int...
分类:其他好文   时间:2014-09-28 01:35:10    阅读次数:361
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