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毕业于北京科技大学，现工作于华为技术有限公司，2019年华为明日之星获得者，可信认证赋能命题组专家。初中开始接触编程，高中进入NOIP省队。大学期间有幸成为ACM-ICPC校队成员，最好成绩为区域赛金牌，现已退役。大四通过清华博士推荐，进入清华大学在叶晓俊教授名下进修。
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E-Moving Tables|贪心
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1050读完题目，头有点大...线段覆盖问题，分情况讨论，然后求出结果。说实话，我内心是拒绝的。这么写极容易WA，掉情况，分界点重复等等。头脑冷静了一会儿，我觉得可以线段树，但是回想了一下房间数400，折半处理200，恩！线段树不用了，直接用数组更新区间吧！于是乎，有了下面这段AC代码：/原创 2016-04-19 00:10:56 · 443 阅读 · 0 评论 -
HDOJ--2040
亲和数Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 30200 Accepted Submission(s): 18159Problem Description古希腊数学家毕达哥拉斯在自然数研究中原创 2015-12-18 23:49:13 · 254 阅读 · 0 评论 -
HDOJ--2039
三角形Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 66374 Accepted Submission(s): 22215Problem Description给定三条边，请你判断一下能不能组成一个三原创 2015-12-18 23:48:37 · 303 阅读 · 0 评论 -
HDOJ --2037
今年暑假不ACTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 39184 Accepted Submission(s): 20946Problem Description“今年暑假不AC？”“是的。原创 2015-12-18 23:45:22 · 294 阅读 · 0 评论 -
HDOJ--2036
改革春风吹满地Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25510 Accepted Submission(s): 13154Problem Description“ 改革春风吹满地,不会AC原创 2015-12-18 23:30:55 · 334 阅读 · 0 评论 -
HDOJ--2035
人见人爱A^BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 31125 Accepted Submission(s): 21099Problem Description求A^B的最后三位数表示的整数。原创 2015-12-18 23:29:16 · 329 阅读 · 0 评论 -
HDOJ--2034
人见人爱A-BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 59909 Accepted Submission(s): 16754Problem Description参加过上个月月赛的同学一定还记得原创 2015-12-18 23:14:19 · 336 阅读 · 0 评论 -
HDOJ--2033
人见人爱A+BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 33889 Accepted Submission(s): 22497Problem DescriptionHDOJ上面已经有10来道A+B原创 2015-12-18 23:12:09 · 299 阅读 · 0 评论 -
HDOJ--2032
杨辉三角Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 50739 Accepted Submission(s): 21075Problem Description还记得中学时候学过的杨辉三角吗？具体的原创 2015-12-18 23:09:55 · 291 阅读 · 0 评论 -
HDOJ--2031
进制转换Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 36169 Accepted Submission(s): 19806Problem Description输入一个十进制数N，将它转换成R进制数原创 2015-12-18 23:07:35 · 308 阅读 · 0 评论 -
HDOJ--2030
汉字统计Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 34200 Accepted Submission(s): 18639Problem Description统计给定文本文件中汉字的个数。原创 2015-12-18 23:00:59 · 362 阅读 · 0 评论 -
HDOJ--2029
Palindromes _easy versionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 31051 Accepted Submission(s): 18878Problem Description原创 2015-12-17 21:53:13 · 390 阅读 · 0 评论 -
HDOJ--2028
Lowest Common Multiple PlusTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 45767 Accepted Submission(s): 18888Problem Description原创 2015-12-17 20:42:15 · 418 阅读 · 0 评论 -
HDOJ--2026
首字母变大写Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 43814 Accepted Submission(s): 24225Problem Description输入一个英文句子，将每个单词的第一原创 2015-12-17 20:32:01 · 472 阅读 · 0 评论 -
HDOJ--2025
查找最大元素Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 41701 Accepted Submission(s): 22661Problem Description对于输入的每个字符串，查找其中的最原创 2015-12-17 20:30:16 · 318 阅读 · 0 评论 -
HDOJ--2023
求平均成绩Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 91175 Accepted Submission(s): 21272Problem Description假设一个班有n(n原创 2015-12-17 20:14:58 · 406 阅读 · 0 评论 -
HDOJ--2027
统计元音Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 52922 Accepted Submission(s): 21203Problem Description统计每个元音字母在字符串中出现的次数。原创 2015-12-17 20:38:48 · 410 阅读 · 0 评论 -
HDOJ--2041
超级楼梯Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 42655 Accepted Submission(s): 21782Problem Description有一楼梯共M级，刚开始时你在第一级，若原创 2015-12-18 23:55:25 · 306 阅读 · 0 评论 -
HDOJ--2042
不容易系列之二Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 21840 Accepted Submission(s): 17474Problem Description你活的不容易，我活的不容易，他活原创 2015-12-18 23:57:02 · 511 阅读 · 0 评论 -
HDOJ--2043
密码Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 42277 Accepted Submission(s): 16956Problem Description网上流传一句话:"常在网上飘啊，哪能不原创 2015-12-18 23:59:25 · 372 阅读 · 0 评论 -
K-Farm Irrigation|并查集
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1198读完题目的那一瞬间，我觉得这题就是道水题...常规的并查集模板直接写吧~不过这题我莫名的CE了两次，最后从结果来看，是rank数组报错...虽然在自己的电脑上跑没问题。题目想明白就好了~这也没什么难的嘛~抠耳以下是AC代码：/*name:Rollchuchytype:并原创 2016-04-17 22:35:16 · 478 阅读 · 0 评论 -
HDOJ--2553
N皇后问题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 14755 Accepted Submission(s): 6719Problem Description在N*N的方格棋盘放置了N个皇后，使得原创 2015-12-19 00:41:25 · 355 阅读 · 0 评论 -
HDOJ--2504
又见GCDTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 14190 Accepted Submission(s): 5932Problem Description有三个正整数a,b,c(0原创 2015-12-19 00:30:46 · 384 阅读 · 0 评论 -
HDOJ--2099
整除的尾数Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 31034 Accepted Submission(s): 13089Problem Description一个整数，只知道前几位，不知道末二位原创 2015-12-19 00:29:17 · 327 阅读 · 0 评论 -
HDOJ--2096
小明A+BTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 33856 Accepted Submission(s): 15969Problem Description小明今年3岁了, 现在他已经能够认识原创 2015-12-19 00:27:04 · 367 阅读 · 0 评论 -
HDOJ--2071
Max NumTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 18861 Accepted Submission(s): 11324Problem DescriptionThere are some s原创 2015-12-19 00:25:43 · 536 阅读 · 0 评论 -
HDOJ--2065
"红色病毒"问题Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5154 Accepted Submission(s): 2154Problem Description医学界发现的新病毒因其蔓延速度和I原创 2015-12-19 00:25:02 · 534 阅读 · 0 评论 -
HDOJ--2055
An easy problemTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 18344 Accepted Submission(s): 12224Problem Descriptionwe defin原创 2015-12-19 00:21:25 · 405 阅读 · 0 评论 -
HDOJ--2054
A == B ?Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 82332 Accepted Submission(s): 12911Problem DescriptionGive you two nu原创 2015-12-19 00:15:24 · 381 阅读 · 0 评论 -
HDOJ--2053
Switch GameTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 13850 Accepted Submission(s): 8459Problem DescriptionThere are man原创 2015-12-19 00:13:11 · 358 阅读 · 0 评论 -
HDOJ--2052
PictureTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22407 Accepted Submission(s): 11407Problem DescriptionGive you the wid原创 2015-12-19 00:10:57 · 594 阅读 · 0 评论 -
HDOJ--2051
BitsetTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17565 Accepted Submission(s): 13147Problem DescriptionGive you a number on base ten原创 2015-12-19 00:09:15 · 543 阅读 · 0 评论 -
HDOJ--2047
阿牛的EOF牛肉串Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 27438 Accepted Submission(s): 12828Problem Description今年的ACM暑期集训队一共有原创 2015-12-19 00:07:20 · 535 阅读 · 0 评论 -
HDOJ--2046
骨牌铺方格Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 39397 Accepted Submission(s): 19055Problem Description在2×n的一个长方形方格中,用一个1原创 2015-12-19 00:06:14 · 269 阅读 · 0 评论 -
HDOJ--2045
不容易系列之(3)—— LELE的RPG难题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 39992 Accepted Submission(s): 16009Problem Description人原创 2015-12-19 00:04:40 · 328 阅读 · 0 评论 -
HDOJ--2044
一只小蜜蜂...Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 54056 Accepted Submission(s): 19544Problem Description有一只经过训练的蜜蜂只能爬向右原创 2015-12-19 00:01:52 · 267 阅读 · 0 评论 -
HDOJ--2024
C语言合法标识符Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 53132 Accepted Submission(s): 21013Problem Description输入一个字符串，判断其是否是C原创 2015-12-17 20:26:15 · 316 阅读 · 0 评论 -
HDOJ--2020
绝对值排序Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 59754 Accepted Submission(s): 28698Problem Description输入n(n In原创 2015-12-16 18:53:27 · 375 阅读 · 0 评论 -
HDOJ--2021
发工资咯：）Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 45406 Accepted Submission(s): 24861Problem Description作为杭电的老师，最盼望的日子就是每原创 2015-12-16 18:56:07 · 311 阅读 · 0 评论 -
HDOJ--2005
第几天？Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 112890 Accepted Submission(s): 41051Problem Description给定一个日期，输出这个日期是该年的第原创 2015-12-15 12:31:34 · 369 阅读 · 0 评论