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并没有什么卵用。我马上大二了,大一两学期目测切了1000道水题了,毫无意义。至今不理解kmp和后缀数组,只会模板。数论和博弈论是什么?能吃吗?只会打表。图论至今不会tarjan,话说dlx是什么?插头dp,这是什么?数据结构还好,经常做高中生的题,可持久化可持久化线段树也能花一下午时间写出来,然而并...
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posted @ 2015-06-15 13:17
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4436: Easy MathTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.scu.edu.cn/soj/problem.action?id=4436DescriptionGiven n integers a1,a2,…,an, check...
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posted @ 2015-06-14 18:38
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B. AntsTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/317/problem/BDescriptionIt has been noted that if some ants are put in ...
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posted @ 2015-06-14 11:49
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B. Strings of PowerTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/318/problem/CDescriptionLet us call a pair of integer numbe...
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posted @ 2015-06-14 11:14
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B. Strings of PowerTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/318/problem/BDescriptionVolodya likes listening to heavy me...
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posted @ 2015-06-14 10:50
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A. Even OddsTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/318/problem/ADescriptionBeing a nonconformist, Volodya is displeas...
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posted @ 2015-06-14 10:30
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ZYB loves ScoreTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5268DescriptionOne day,ZYB participated in the Best...
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posted @ 2015-06-14 09:41
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E. GukiZ and GukiZianaTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/551/problem/EDescriptionProfessor GukiZ was playing with...
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posted @ 2015-06-13 03:48
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C. GukiZ hates BoxesTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/551/problem/CDescriptionProfessor GukiZ is concerned about...
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posted @ 2015-06-13 03:33
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B. ZgukistringZTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/551/problem/BDescriptionProfessor GukiZ doesn't accept string a...
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posted @ 2015-06-13 03:22
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A. GukiZ and ContestTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/551/problem/ADescriptionProfessor GukiZ likes programming ...
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posted @ 2015-06-13 03:19
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1015: [JSOI2008]星球大战starwarTime Limit: 20 SecMemory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1015Description很久以前,在一个遥远的星系,一个黑暗...
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posted @ 2015-06-12 12:58
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1026: [SCOI2009]windy数Time Limit: 20 SecMemory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1026Descriptionwindy定义了一种windy数。不含前导零且...
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posted @ 2015-06-11 19:34
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Delay Constrained Maximum Capacity PathTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=1839DescriptionConsider an ...
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posted @ 2015-06-11 14:04
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B. Looksery PartyTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/549/problem/BDescriptionThe Looksery company, consisting of n...
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posted @ 2015-06-09 14:24
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How far away ?Time Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=2586DescriptionThere are n houses in the village and...
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posted @ 2015-06-09 13:43
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posted @ 2015-06-09 12:18
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D. Tanya and PasswordTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/508/problem/DDescriptionWhile dad was at work, a little g...
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posted @ 2015-06-09 12:03
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排名表Time Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.uestc.edu.cn/#/problem/show/1150Description暑假前集训已经过了一半了,我们将会把当前排名公布出来。但是此刻秋实大哥却心急火燎,因为他不慎把排名删除...
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posted @ 2015-06-09 10:45
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传输数据Time Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.uestc.edu.cn/#/problem/show/1143Description机房里面有m台电脑,n台网线,每条网线都每秒中最多传送的数据量,现在需要你计算从标号为1的电脑传送数...
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posted @ 2015-06-09 10:41
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pog loves szh IITime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5265Descriptionpog在与szh玩游戏,首先pog找到了一个包含n个数的序列,然后他在...
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posted @ 2015-06-08 21:36
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pog loves szh ITime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5264Descriptionpog拥有很多字符串,它喜欢将两个长度相等字符串交错拼在一起,如abcd...
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posted @ 2015-06-08 17:02
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男神的礼物Time Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.uestc.edu.cn/#/problem/show/1131DescriptionLweb学长是集训队里公认的男神。有一天他要给美美的学姐姐准备礼物。Lweb学长可是会魔法的哟。为...
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posted @ 2015-06-08 16:46
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酱神寻宝Time Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.uestc.edu.cn/#/problem/show/1141Description酱神来到了一座小岛,岛上有n个箱子。一共有3中不同的钥匙,金钥匙、银钥匙和万能钥匙。酱神一开始有a把...
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posted @ 2015-06-08 13:29
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1 .在什么情况下,生产可能性曲线是直线,而不是外凸的?答:生产可能性曲线会由于机会成本的动态变化而呈现不同形状。在机会成本不变的情况下,生产可能性曲线是一条直线;机会成本递增的时候,生产可能性曲线凹向原点;而机会成本递减的时候,生产可能性曲线凸向原点。这几种情况如下图所示。2 .解释绝对优势和比较...
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posted @ 2015-06-07 10:38
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复习题1 .经济学如何像一门科学?答:经济学家努力以科学家的客观态度来探讨经济问题。用科学的方法提出理论、收集资料,并分析这些资料以努力证明或否定他们提出的理论来研究社会。经济学家研究经济的过程和方法与自然科学的科学家研究自然是一样的。所以说经济学也是一门科学。2 .为什么经济学家要做出假设?答:假...
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posted @ 2015-06-07 10:19
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复习题1 .列举三个你在生活中面临的重要权衡取舍的例子。答:1大学毕业后,面临着是否继续深造的选择,选择继续上学攻读研究生学位,就意味着在今后三年中放弃参加工作、赚工资和积累社会经验的机会;2在学习内容上也面临着很重要的权衡取舍,如果学习《经济学》就要减少学习英语或其他专业课的时间;3对于不多的生活...
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posted @ 2015-06-07 09:56
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D. Haar FeaturesTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/549/problem/DDescriptionThe first algorithm for detecting a fa...
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posted @ 2015-06-07 01:10
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H. Degenerate MatrixTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/549/problem/HDescriptionThe determinant of a matrix 2 × 2 ...
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posted @ 2015-06-07 00:41
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A. Face DetectionTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/549/problem/ADescriptionThe developers of Looksery have to wr...
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posted @ 2015-06-07 00:31
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数长方形Time Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5258Description小度熊喜欢玩木棒。一天他在玩木棒的时候,发现一些木棒会形成长方形。小度熊可能是处女座吧,他只会...
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posted @ 2015-06-06 20:41
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E. Brackets in ImplicationsTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/550/problem/EDescriptionImplication is a function o...
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posted @ 2015-06-05 03:29
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D. Regular BridgeTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/550/problem/DDescriptionAn undirected graph is called k-regul...
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posted @ 2015-06-05 03:20
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C. Divisibility by EightTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/550/problem/CDescriptionYou are given a non-negative i...
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posted @ 2015-06-05 03:10
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B. Preparing OlympiadTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/550/problem/BDescriptionYou have n problems. You have est...
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posted @ 2015-06-05 03:04
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A. Two SubstringsTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/550/problem/ADescriptionYou are given string s. Your task is ...
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posted @ 2015-06-05 02:59
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3930: [CQOI2015]选数Time Limit: 20 SecMemory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=3930Description我们知道,从区间[L,H](L和H为整数)中选取N个整...
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posted @ 2015-06-04 13:30
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2435: [Noi2011]道路修建Time Limit: 20 SecMemory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2435Description在 W 星球上有 n 个国家。为了各自国家的经济发展...
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posted @ 2015-06-03 20:49
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A. Borya and HanabiTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/442/problem/ADescriptionHave you ever played Hanabi? If not...
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posted @ 2015-06-03 12:03
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CannonTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=4499DescriptionIn Chinese Chess, there is one kind of powerf...
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posted @ 2015-06-03 10:16
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