http://acm.hdu.edu.cn/showproblem.php?pid=5500 Reorder the Books Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 920 Accepted Submission(s): 502 Problem Description dxy has a collection of…
http://acm.hdu.edu.cn/showproblem.php?pid=5500 Reorder the Books Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 942 Accepted Submission(s): 519 Problem Description dxy has a collection of…
Reorder the Books Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 919 Accepted Submission(s): 501 Problem Description dxy has a collection of a series of books called "The Stories of SDOI&q…
Problem Description dxy has a collection of a series of books called “The Stories of SDOI”,There are n(n≤19) books in this series.Every book has a number from 1 to n. dxy puts these books in a book stack with the order of their numbers increasing fro…
Reorder the Books Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 179 Accepted Submission(s): 125 Problem Description dxy has a collection of a series of books called "The Stories of SDOI&q…
Problem Description dxy has a collection of a series of books called "The Stories of SDOI",There are n(n≤19) books in this series.Every book has a number from 1 to n. dxy puts these books in a book stack with the order of their numbers increasin…
Reorder the Books Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 930 Accepted Submission(s): 511 Problem Description dxy has a collection of a series of books called "The Stories of SDOI&…
美国「学券制」是怎样的一种制度?它为什么是共和党的执政政策?它在美国及其它地区有实施吗?效果如何?能否在保证公平的同时,通过市场提高教育质量? 作者:冉筱韬链接:https://www.zhihu.com/question/32168470/answer/59716622来源:知乎著作权归作者所有,转载请联系作者获得授权. 刚被邀请的时候一时没反应过来「学券」是什么东西,现在想想应该是指的 school voucher.课上学过一点,不是我特别熟悉的领域,试着回答一下.没有特别说明的都是美国的情…
Hdu6606 Distribution of books 题意 把一段连续的数字分成k段,不能有空段且段和段之间不能有间隔,但是可以舍去一部分后缀数字,求\(min(max((\sum ai ))\)其中\(\sum ai\)为一段的数字和 分析 最小化最大值问题通常我们要想到二分,所以答案的求法我们就解决了,但是二分我们怎么check呢?这个时候一点思路都没有,我们考虑暴力的算法,设dp[i]表示从1--i最多可以分成多少段,怎么转移,什么情况下可以转移呢? 显然\(dp[i]=max(dp…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2838 Cow Sorting Problem Description Sherlock's N (1 ≤ N ≤ 100,000) cows are lined up to be milked in the evening. Each cow has a unique "grumpiness" level in the range 1...100,000. Since grumpy cow…
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1892 See you~ Problem Description Now I am leaving hust acm. In the past two and half years, I learned so many knowledge about Algorithm and Programming, and I met so many good friends. I want to say so…
题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=4150 Powerful Incantation Description Some dangerous Witches invaded the garden city! As a righteous magician, james0zan want to find the most powerful incantation so he can beat those dangerous witches…
Sparse Graph Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 689 Accepted Submission(s): 238 Problem Description In graph theory, the complement of a graph G is a graph H on the same vertic…
See you~ Time Limit: 5000/3000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 4753 Accepted Submission(s): 1518 Problem Description Now I am leaving hust acm. In the past two and half years, I learned so many kno…
Balanced Sequence Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description Chiaki has n strings s1,s2,…,sn consisting of '(' and ')'. A string of this type is said to be balanced:…
Minimum Inversion Number Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1394 Appoint description: System Crawler (2015-03-30) Description The inversion number of a given number sequence a1, a…
2019 Multi-University Training Contest 3 http://acm.hdu.edu.cn/contests/contest_show.php?cid=850 1004. Distribution of books 考虑二分答案,设当前二分出来的是\(x\). 设\(f_i\)表示前\(i\)个能分成最多的段数,使得每一段和都\(\leqslant x\). 转移显然,枚举一个\(j\),若\(s_i-s_j\leqslant x\)则转移,\(s_i\)表示前…
Saving HDU Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7194 Accepted Submission(s): 3345 Problem Description 话说上回讲到海东集团面临内外交困,公司的元老也只剩下XHD夫妇二人了.显然,作为多年拼搏的商人,XHD不会坐以待毙的. 一天,当他正在苦思冥想解困良策的…
Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder it to {1,4,2,3}. 这道链表重排序问题可以拆分为以下三个小问题: 1. 使用快慢指针来找到链表的中点,并将链表从中…
http://acm.hdu.edu.cn/showproblem.php?pid=3037 Lucas定理模板. 现在才写,noip滚粗前兆QAQ #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; int jc[100003]; int p; int ipow(int x, int b) { ll t = 1, w = x;…
Special equations Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4569 Description Let f(x) = a nx n +...+ a 1x +a 0, in which a i (0 <= i <= n) are all known integers. We call f(x) 0 (mod…
The kth great number Time Limit:1000MS Memory Limit:65768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4006 Description Xiao Ming and Xiao Bao are playing a simple Numbers game. In a round Xiao Ming can choose to write down a nu…
