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String,StringBuilder的方法,伪随机Random类
import java.nio.charset.Charset;public class StringDemo { public static void main(String[] args) { byte[]bt={'a','b','c'};// String(b...
分类:其他好文   时间:2014-08-08 01:48:55    阅读次数:270
【LeetCode】Copy List with Random Pointer
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a deep copy of the list. 思路:第一遍正常复制链表,同时用哈希表保存链表中原始节点和新...
分类:其他好文   时间:2014-08-07 23:22:45    阅读次数:280
剪刀石头布
import java.util.Scanner;public class Game { public static void main(String[] args){ int r; r = (int) (Math.random()*2 + 1); S...
分类:其他好文   时间:2014-08-07 18:10:10    阅读次数:159
Implement strStr() leetcode java
题目:Implement strStr().Returns a pointer to the first occurrence of needle in haystack, or null if needle is not part of haystack.题解:其实我觉得这题。。为啥不给个更明确....
分类:编程语言   时间:2014-08-07 12:43:19    阅读次数:227
把随机得到的数,个十百位分别相加
import java.util.Random;import javax.swing.JOptionPane;public class Numbers { public static void main(String[] args){ double digit; d...
分类:其他好文   时间:2014-08-06 18:11:31    阅读次数:208
[leetcode]Copy List with Random Pointer
Copy List with Random PointerA linked list is given such that each node contains an additional random pointer which could point to any node in the lis...
分类:其他好文   时间:2014-08-06 17:44:31    阅读次数:225
mongodb学习(六)索引
准备工作: 先插入100万条数据for(i=0;i<=1000000;i++){ db.users.insert({ "i":i, "username":"user"+i, "age":Math.floor(Math.random()...
分类:数据库   时间:2014-08-05 13:54:29    阅读次数:268
HDU 4790 Just Random 数学
链接:http://acm.hdu.edu.cn/showproblem.php?pid=4790 题意:从【a,b】中随机找出一个数字x,从【c,d】中随机找出一个数字y,给出p,m,如果(x+y)%p==m则算成功,问成功的概率是多少。 思路:【a,b】中连续p个数,【c,d】中连续p个数,用这2*p个数进行组合能找到p种的成功组合(具体不证),所以找到【a,b】中p循环的个数x1,【c,...
分类:其他好文   时间:2014-08-05 11:19:29    阅读次数:166
CString的GetBuffer用法,GetBuffer本质,GetBuffer常见问题解决方法
一.函数原型CString::GetBufferLPTSTR GetBuffer( int nMinBufLength );throw( CMemoryException );Return ValueAn LPTSTR pointer to the object’s (null-terminated...
分类:其他好文   时间:2014-08-05 10:56:49    阅读次数:366
Radio Link Failure and Recovery
四种会发生Radio Link Failure的场景- DL Physical Layer Failure (PDCCH BLER > 10%)- Random Access Problems (in Connected State)- Failure after RLC retransmissio...
分类:其他好文   时间:2014-08-05 00:08:48    阅读次数:363
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