lx0208-优快云博客

原创时间与日期

UNIX时间戳的开始时间为GMT1970年1月1日的零点整，单位为秒。修改时区：data_default_timezone_set（“RPC”），北京时间。string data（string format ，[时间戳整数]） <?php date_default_timezone_set("PRC");$tt =time();echo "目前时间为：&l...

2018-03-02 16:19:44 267

原创 ccf

//t4#include<iostream>using namespace std;struct Po{ int f,t;}po[10005];int id[1005];int sz[1005];int find(int p){ while(p!=id[p]) { p=id[p]; } return p;}void u(i

2017-09-17 17:26:07 751

原创 HDU2133 What day is it

2133What day is itTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 5952 Accepted Submission(s): 1811Problem Description Today is Saturday, 17

2017-08-17 17:20:27 392

原创 HDU2132

2132An easy problemTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 14069 Accepted Submission(s): 3892Problem DescriptionWe once did a lot of

2017-08-17 16:38:58 498 3

原创 <cctype>

#include <cctype>//判断变量类型的头文件islower(char c);//小写isupper(char c);//大写isalpha(char c);//字母if（islower(c)||isupper(c))isalnum(char c);//字母或数字

2017-08-15 14:16:01 367

原创 HDU2053 Switch Game

2053Switch GameTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 18846 Accepted Submission(s): 11551Problem DescriptionThere are many lamps in

2017-08-15 13:39:02 351

原创 HDU2034 人见人爱A-B

2034人见人爱A-BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 84247 Accepted Submission(s): 23603Problem Description参加过上个月月赛的同学一定还记得其中的一个最简单的题目

2017-08-14 17:43:59 330

原创 HDU2032 杨辉三角

2032杨辉三角Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 69874 Accepted Submission(s): 28939Problem Description还记得中学时候学过的杨辉三角吗？具体的定义这里不再描述，你可

2017-08-14 17:08:20 277

转载九余数定理扩展

出自原文九余数定理(同余定理) 我们都知道对于十进制数，只要这个数能除尽3/9则他个位数字之和也能除尽3/9,以前只知道用没有证明过，下面来简单证明一下。对于十进制数，举个简单的例子，这个数是abcd,他表示的大小就是 x=1000*a+100*b+10*c+d , 我们对他进行转化 x=999*a+99*b+9*c+(a+b+c+d)

2017-08-14 00:08:57 305

原创 HDU2011 多项式求和

2011多项式求和Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 80384 Accepted Submission(s): 46094Problem Description多项式的描述如下： 1 - 1/2 + 1/3 - 1/

2017-08-11 17:38:55 274

原创 HDU1799

1799循环多少次？Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5188 Accepted Submission(s): 2014Problem Description我们知道，在编程中，我们时常需要考虑到时间复杂度，特别是对于

2017-08-11 13:58:47 224

原创暂存

#include<cstdio>#include<algorithm>using namespace std;const int INF = 0x3f3f3f3f;int dp[15][1005];void sovel(int k, int p){ for (int b = 1; b < 11; b++) { if (b >= p)

2017-08-06 15:43:09 259

原创 HDU1465 不容易系列之一

1465不容易系列之一Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 21986 Accepted Submission(s): 9543Problem Description大家常常感慨，要做好一件事情真的不容易，确实，失败比成功

2017-08-04 20:24:08 274

原创 HDU 1418

1418抱歉Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5318 Accepted Submission(s): 2422Problem Description如果平面上有n个点，并且每个点至少有2条曲线段和它相连，就是说，每条

2017-08-04 17:54:13 409

原创 HDU1407 盐水的故事

1408盐水的故事Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 19988 Accepted Submission(s): 5075Problem Description挂盐水的时候，如果滴起来有规律，先是滴一滴，停一下；然后滴二

2017-08-04 17:14:52 298

原创 HDU1405 The Last Practice

1405The Last PracticeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 11018 Accepted Submission(s): 2495Problem DescriptionTomorrow is contes

2017-08-03 17:56:57 257

原创 HDU1393 Weird Clock

1393Weird ClockTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3889 Accepted Submission(s): 1463Problem DescriptionA weird clock marked from

2017-08-03 15:45:44 296

原创 HDU1391 Number Steps

1391Number StepsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5538 Accepted Submission(s): 3388Problem DescriptionStarting from point (0,

2017-08-03 14:49:52 226

原创 HDU1330 Deck

1330DeckTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2025 Accepted Submission(s): 1190Problem DescriptionA single playing card can be pla

2017-07-31 17:58:30 271

原创 HDU1326 Box of Bricks

1326Box of BricksTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 7769 Accepted Submission(s): 3404Problem DescriptionLittle Bob likes playin

2017-07-31 17:20:34 259

原创 HDU1323 Prefection

1323PerfectionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2912 Accepted Submission(s): 1785Problem DescriptionFrom the article Number Th

2017-07-31 16:31:14 340

原创 HDU1303 Doubles

1303DoublesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5418 Accepted Submission(s): 3710Problem Description As part of an arithmetic com

2017-07-30 14:31:35 361

原创 HDU1302 The Snail

1302The SnailTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2872 Accepted Submission(s): 2077Problem DescriptionA snail is at the bottom of

2017-07-30 13:56:43 330

原创 HDU1282 最简单的计算机

1283最简单的计算机Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 7813 Accepted Submission(s): 4402Problem Description一个名叫是PigHeadThree的研究组织设计了一台实验

2017-07-30 12:26:09 273

原创 HDU1282 回文数猜想

1282回文数猜想Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 7303 Accepted Submission(s): 4464Problem Description一个正整数，如果从左向右读（称之为正序数）和从右向左读（称之为

2017-07-30 11:34:11 258

原创 HDU1248 寒冰王座

1248寒冰王座Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 17593 Accepted Submission(s): 9109Problem Description不死族的巫妖王发工资拉,死亡骑士拿到一张N元的钞票(记住,只有

2017-07-29 14:03:00 284

原创 HDU1236 排名

1236排名Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 24263 Accepted Submission(s): 8907Problem Description今天的上机考试虽然有实时的Ranklist，但上面的排名只是根据完

2017-07-29 13:40:34 244

原创 HDU1235 统计同成绩学生人数

1235统计同成绩学生人数Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 21508 Accepted Submission(s): 12163Problem Description读入N名学生的成绩，将获得某一给定分数的学生人数输

2017-07-28 19:00:02 218

原创 HDU1234 开门人和关门人

1234开门人和关门人Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 16696 Accepted Submission(s): 8585Problem Description每天第一个到机房的人要把门打开，最后一个离开的人要把门关

2017-07-28 16:09:41 234

原创 HDU1205 吃糖果

1205吃糖果Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 40460 Accepted Submission(s): 11603Problem DescriptionHOHO，终于从Speakless手上赢走了所有的糖果，是Ga

2017-07-28 14:06:27 324

原创 HDU1202 The calculation of GPA

1202 The calculation of GPA Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 29471 Accepted Submission(s): 6988Problem Description 每学期的期末，

2017-07-28 11:19:10 338

原创 HDU1201 18岁的生日

120118岁生日Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 33292 Accepted Submission(s): 10795Problem DescriptionGardon的18岁生日就要到了，他当然很开心，可是他突然

2017-07-27 11:55:46 215

原创 HDU1197 Specialized Four-Digit Numbers

1197Specialized Four-Digit NumbersTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 7337 Accepted Submission(s): 5397Problem DescriptionFind a

2017-07-26 18:36:31 234

原创 HDU1196 Lowest Bit

1196 Lowest Bit Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 12341 Accepted Submission(s): 9012Problem Description Given an positive i

2017-07-26 17:46:50 235

原创 HDU1164 Eddy's research I

1164Eddy’s research ITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10194 Accepted Submission(s): 6302Problem DescriptionEddy’s interest is

2017-07-26 15:15:21 192

原创 HDU1163 Eddy's digital Roots

1163 Eddy’s digital Roots Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6896 Accepted Submission(s): 3776Problem Description The digita

2017-07-26 14:59:31 320

原创 HDU1157 Who's in the Middle

1157Who’s in the MiddleTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 19096 Accepted Submission(s): 8408Problem DescriptionFJ is surveying

2017-07-26 14:20:15 229

原创 HDU1106 排序

1106排序Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 60998 Accepted Submission(s): 18064Problem Description输入一行数字，如果我们把这行数字中的‘5’都看成空格，那么就得到

2017-07-26 13:57:38 191

原创 HDU1098 Ignatius's puzzle

1098Ignatius’s puzzleTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 9936 Accepted Submission(s): 6961Problem DescriptionIgnatius is poor at

2017-07-25 22:09:12 217

原创 HDU1060 Leftmost Digit

1060Leftmost DigitTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 18433 Accepted Submission(s): 7238Problem DescriptionGiven a positive inte

2017-07-25 21:42:26 246

空空如也

如何调试定位nodejs ，web项目中的bug