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RSS订阅转载 JDBC 事务隔离级别
JDBC 事务隔离级别a:脏读取：一个事务读取了另外一个并行事务未提交的数据b:不可重复读取：一个事务再次读取之前的数据时得到的数据不一致，被另外一个事务修改c:虚读：一个事务重新执行一个查询，返回的记录包含了其他事务提交的新记录设定事务的隔离级别：con.setTransactionIsolation(Connection.isolationLevel);con.setTra
2016-06-22 15:12:53
421
转载 JAVA之BigInteger(转)【转】【很好用啊】
用Java来处理高精度问题，相信对很多ACMer来说都是一件很happy的事，简单易懂。用Java刷了一些题，感觉Java还不错，在处理高精度和进制转换中，调用库函数的来处理。下面是写的一些Java中一些基本的函数的及其……头文件：import java.io.*; import java.util.*; import java.math.*;读入： Scanner cin
2013-08-25 10:00:14
607
原创 hdu 1159 Common Subsequence
Common SubsequenceTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18034 Accepted Submission(s): 7605Problem DescriptionA subseq
2013-08-21 19:56:23
465
原创 hdu 1423 Greatest Common Increasing Subsequence
Greatest Common Increasing SubsequenceTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2896 Accepted Submission(s): 904Problem Des
2013-08-20 10:22:19
453
原创 hdu 3371 Connect the Cities
Connect the CitiesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7166 Accepted Submission(s): 2048Problem DescriptionIn 2100, si
2013-08-20 09:35:17
588
原创 hdu 3790 最短路径问题
最短路径问题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8855 Accepted Submission(s): 2674Problem Description给你n个点，m条无向边，每条边都有长度d和
2013-08-20 08:40:15
488
原创 hdu 1175 连连看
连连看Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14452 Accepted Submission(s): 3785Problem Description“连连看”相信很多人都玩过。没玩过也没关系
2013-08-19 21:17:52
533
原创 hdu 1253 胜利大逃亡
胜利大逃亡Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22034 Accepted Submission(s): 8620Problem DescriptionIgnatius被魔王抓走了,有一天魔王出
2013-08-19 16:17:26
487
原创 hdu 2199 Can you solve this equation?
Can you solve this equation?Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5778 Accepted Submission(s): 2730Problem Description
2013-08-18 21:55:03
538
原创 hdu 1114 Piggy-Bank
Piggy-BankTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8620 Accepted Submission(s): 4353Problem DescriptionBefore ACM can do
2013-08-16 20:52:37
369
原创 hdu 2159 FATE
FATETime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5741 Accepted Submission(s): 2630Problem Description最近xhd正在玩一款叫做FATE的游戏，为了得
2013-08-16 20:12:13
440
原创 hdu 2072 单词数
单词数Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22154 Accepted Submission(s): 5365Problem Descriptionlily的好朋友xiaoou333最近很空，他
2013-08-15 11:36:25
470
原创 hdu 3732 Ahui Writes Word
Ahui Writes WordTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1656 Accepted Submission(s): 627Problem DescriptionWe all know
2013-08-15 10:12:16
566
原创 hdu 2191 悼念512汶川大地震遇难同胞——珍惜现在，感恩生活
悼念512汶川大地震遇难同胞——珍惜现在，感恩生活Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10819 Accepted Submission(s): 4580Problem Description急
2013-08-14 17:01:45
472
原创 hdu 1829 A Bug's Life
A Bug's Life Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6495 Accepted Submission(s): 2126Problem DescriptionBackground
2013-08-12 20:04:53
704
原创 hdu 1198 Farm Irrigation
Farm IrrigationTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4328 Accepted Submission(s): 1871Problem DescriptionBenny has a
2013-08-12 18:55:07
457
原创 hdu 3172 Virtual Friends
Virtual FriendsTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2906 Accepted Submission(s): 835Problem DescriptionThese days, y
2013-08-12 15:51:53
468
原创 hdu 1272 小希的迷宫
小希的迷宫Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 19935 Accepted Submission(s): 6105Problem Description上次Gardon的迷宫城堡小希玩了很久（见
2013-08-11 20:24:17
437
原创 hdu 1856 More is better
More is betterTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 327680/102400 K (Java/Others)Total Submission(s): 10225 Accepted Submission(s): 3763Problem DescriptionMr Wang wa
2013-08-11 19:21:09
437
原创 hdu 1213 How Many Tables
How Many TablesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9359 Accepted Submission(s): 4619Problem DescriptionToday is Ignat
2013-08-11 16:22:16
448
原创 hdu 1232 畅通工程
畅通工程Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23033 Accepted Submission(s): 12001Problem Description某省调查城镇交通状况，得到现有城镇道路统计
2013-08-11 16:08:18
423
原创 hdu 1394 Minimum Inversion Number
Minimum Inversion NumberTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7582 Accepted Submission(s): 4649Problem DescriptionT
2013-08-07 21:23:07
436
原创 hdu 3074 Multiply game
Multiply gameTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1190 Accepted Submission(s): 394Problem DescriptionTired of play
2013-08-07 20:23:12
435
转载 ACM必须掌握的算法
论坛看到的搞ACM必须掌握的算法，惊出一身冷汗，原来自己还有很多不会啊.........第一阶段：练经典常用算法，下面的每个算法给我打上十到二十遍，同时自己精简代码，因为太常用，所以要练到写时不用想，10-15分钟内打完，甚至关掉显示器都可以把程序打 出来. 1.最短路(Floyd、Dijstra,BellmanFord) 2.最小生成树(先写个prim,kruscal要用
2013-08-07 16:56:42
467
原创 hdu 1556 Color the ball
Color the ballTime Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5970 Accepted Submission(s): 3166Problem DescriptionN个气球排成一排，从左
2013-08-07 16:10:35
535
原创 hdu1698 Just a Hook
Just a HookTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12774 Accepted Submission(s): 6364Problem DescriptionIn the game o
2013-08-07 11:04:48
436
原创 hdu1166 敌兵布阵
敌兵布阵Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 30168 Accepted Submission(s): 12930Problem DescriptionC国的死对头A国这段时间正在进行军事演
2013-08-06 20:37:32
429
原创 hdu1754 I Hate It
I Hate ItTime Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 27045 Accepted Submission(s): 10732Problem Description很多学校流行一种比较的习惯。
2013-08-06 19:04:36
358
原创 hdu1671 Phone List
Phone ListTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7177 Accepted Submission(s): 2466Problem DescriptionGiven a list of
2013-08-06 08:34:57
444
原创 hdu1247 Hat’s Words
Hat’s WordsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5664 Accepted Submission(s): 2109Problem DescriptionA hat’s word i
2013-08-05 21:25:22
576
原创 hdu1075 What Are You Talking About
What Are You Talking AboutTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 102400/204800 K (Java/Others)Total Submission(s): 10284 Accepted Submission(s): 3270Problem Descriptio
2013-08-05 20:40:42
573
原创 hdu1085 Holding Bin-Laden Captive!
Holding Bin-Laden Captive!Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12129 Accepted Submission(s): 5429Problem Description
2013-08-05 16:14:28
651
原创 hdu1215 七夕节
七夕节Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23870 Accepted Submission(s): 7385Problem Description七夕节那天,月老来到数字王国,他在城门上贴
2013-08-05 16:08:22
523
原创 hdu2036 改革春风吹满地
改革春风吹满地Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14618 Accepted Submission(s): 7434Problem Description“ 改革春风吹满地,不会AC没
2013-08-05 15:59:38
777
原创 hdu2037 今年暑假不AC
今年暑假不ACTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 20851 Accepted Submission(s): 10909Problem Description“今年暑假不AC？”“是的。
2013-08-05 15:49:21
420
原创 hdu1002 A + B Problem II
A + B Problem IITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 166634 Accepted Submission(s): 31864Problem DescriptionI have
2013-08-05 15:15:24
513
原创 hdu2524 矩形A + B
矩形A + BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3278 Accepted Submission(s): 2484Problem Description给你一个高为n ，宽为m列的网格，计
2013-08-05 10:18:20
517
原创 hdu1865 1sting
1stingTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2374 Accepted Submission(s): 949Problem DescriptionYou will be given a
2013-08-04 16:01:01
790
原创 hdu 2100 Lovekey
LovekeyTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4734 Accepted Submission(s): 1529Problem DescriptionXYZ-26进制数是一个每位都是大写字母的数
2013-08-03 23:15:58
476
原创 hdu1753 大明A+B
大明A+BTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6392 Accepted Submission(s): 2212Problem Description话说，经过了漫长的一个多月，小明已经成长
2013-08-03 21:26:58
498
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