Problem D: Tetrahedron Inequality Time Limit: 1 Sec   Memory Limit: 128 MB Submit: 15   Solved: 3 [ Submit][ Status][ Web Board] Description It is well known that you cannot make a triangle with non-zero area whose sides have lengths 1, 2, 3. Can you…

回想起这个暑假,从开始与雄鹰一起的纠结要不要进集训队,与吉吉博博组队参加地大邀请赛,害怕进不了集训队.当时激励我月份开始接触的,记得当时在弄运动会来着,然后就问了雄鹰一些输入输出的东西,怀着满心的期待参加了寒假集训队但是由于宿舍问题只弄了几天.2.自己的专业基础学的很差,学这个也想给自己培养点兴趣,不想跟以前一样看见代码头就晕掉了.3.浩哥还有健哥他们在去年都集训过,我也想尝试一下. BME集训队选拔赛以第一的成绩进入了集训队,不过8086和PI派了峰峰和明爷solo.从刚开始在板房集训,那时一…

湘潭邀请赛的一题,名字叫"超级FFT"最终暴力就行,还是思维不够灵活,要吸取教训. 由于每组数据总量只有1e5这个级别,和不超过1e6,故先预处理再暴力即可. #include<cstdio> #include<iostream> #include<cstdlib> #include<cstring> #include<string> #include<algorithm> #include<map>…

比赛链接: http://202.197.224.59/OnlineJudge2/index.php/Contest/problems/contest_id/36 题目来源: 2014嘉杰信息杯ACM/ICPC湖南程序设计邀请赛暨第六届湘潭市程序设计竞赛 ×  Problem A A simple problem   (求N % 1 + N % 2 + ....+ N % N, 待补) ?  Problem B Path √  Problem C Range   (单调栈) √  Problem…

湘潭邀请赛的C题,哈密顿路径,边为有向且给定的所有边起点小于终点,怎么感觉是脑筋急转弯? 以后一定要牢记思维活跃一点,把复杂的事情尽量简单化而不是简单的事情复杂化. #include<cstdio> #include<iostream> #include<cstdlib> #include<cstring> #include<string> #include<algorithm> #include<map> #includ…

题目链接:http://acm.bnu.edu.cn/bnuoj/problem.php?search=2014+ACM-ICPC+Beijing+Invitational+Programming+Contest 总共十道题, 又结束了一场逗比的比赛, 感觉后半场都在梦游,结果被虐了!!!!大家都虐我一万里啊. 正如wushen说的,“那些被虐过的比赛,唯有赛后AK掉来泄愤.” 本弱太菜,还达不到AK的境界,只能搞出这场的8道题. A A Matrix 一个很神奇的题目,全场就坑在这题了,其实应…

1352: New Sorting Algorithm Time Limit: 1 Sec  Memory Limit: 128 MB Description We are trying to use a new sorting algorithm to sort a sequence with distinct integers.    This algorithm will be end if the sequence is already in increasing order from…

1350: To Add Which? Time Limit: 1 Sec  Memory Limit: 128 MB Description There is an integer sequence with N integers. You can use 1 unit of cost to increase any integer in the sequence by 1.    Could you tell us the least units of cost to achieve tha…

题目链接:http://icpc.njust.edu.cn/Contest/194/Problem/B B - TWO NODES 时间限制: 10000 MS 内存限制: 65535 KB 问题描述 Suppose that G is an undirected graph, and the value of  stab is defined as follows: Among the expression, G-i,-j  is the remainder after removing no…

hihocoder 1084 : http://hihocoder.com/problemset/problem/1084 北京邀请赛 Just  String http://www.bnuoj.com/v3/problem_show.php?pid=34990 两道题同样的做法,题目基本内容是找到A的字串中和B串长度一样,且不同的字符个数不超过k个的置. 以hihocoder 1084为例, 是求有多少个A的字串的,与B串长度一样,且不同的字符个数不超过k. 分析:预处理hash,然后对每个字…