Lexicography Time Limit:1000MS     Memory Limit:131072KB     64bit IO Format:%lld & %llu Submit Status Practice CSU 1563 Description An anagram of a string is any string that can be formed using the same letters as the original. (We consider the orig…

题目传送门 /* 题意:求第K个全排列 组合数学:首先,使用next_permutation 函数会超时,思路应该转变, 摘抄网上的解法如下: 假设第一位是a,不论a是什么数,axxxxxxxx一共有8!种选择. 297192 div 8! = 7,余14952,所以第一位是1-9中的第8个数,也就是8. 14952 div 7! = 2,余4872,所以第二位是3. 4872 div 6! = 6,余552,所以是第三位是1245679这七个数中的第7个,也就是 9. 552 div 5! =…

题意:给出一堆字母 问这些字母组成的字符串中第k大的 排列组合,具体看代码 //寒假集训被何柱大大踩好惨(>_<) #include<cstdio> #include<iostream> #include<cmath> #include<algorithm> #include<cstring> #include<cstdlib> #include<queue> #include<vector> #i…

An anagram of a string is any string that can be formed using the same letters as the original. (We consider the original string an anagram of itself as well.) For example, the string ACM has the following 6 anagrams, as given in alphabetical order:…

The last post is mainly about the unsorted set,in this post I will show you the sorted set playing an important role in Redis.There are many command added after the version 2.8.9.OK,let's see the below picture firstly.There are 24 commands to handle…

hihoCoder #1385 : A Simple Job(简单工作) 时间限制:1000ms 单点时限:1000ms 内存限制:256MB Description - 题目描述 Institute of Computational Linguistics (ICL), Peking University is an interdisciplinary institute of science and liberal arts, it focuses primarily on the fund…

描述 Institute of Computational Linguistics (ICL), Peking University is an interdisciplinary institute of science and liberal arts, it focuses primarily on the fundamental researches and applications of language information processing. The research of…

#1385 : A Simple Job 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 Institute of Computational Linguistics (ICL), Peking University is an interdisciplinary institute of science and liberal arts, it focuses primarily on the fundamental researches and applicati…

L - Ferris Wheel String Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 43000/43000KB (Java/Others) Submit Status Have you ever been to London? Our Master Qiu will tell you how amazing in London and how funny a Ferris Wheel String is. One day…

Connect them Time Limit: 1 Second      Memory Limit:32768 KB You have n computers numbered from 1 ton and you want to connect them to make a small local area network (LAN). All connections are two-way (that is connecting computersi andj is the same a…

Subset sequence Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 8188 Accepted Submission(s): 3735 Problem Description Consider the aggregate An= { 1, 2, -, n }. For example, A1={1}, A3={1,2,3}. A…

Contest2073 - 湖南多校对抗赛(2015.04.06) Problem A: (More) Multiplication Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 85  Solved: 47[Submit][Status][Web Board] Description Educators are always coming up with new ways to teach math to students. In 2011, a…

题目链接 Problem Description Consider the aggregate An= { 1, 2, -, n }. For example, A1={1}, A3={1,2,3}. A subset sequence is defined as a array of a non-empty subset. Sort all the subset sequece of An in lexicography order. Your task is to find the m-th…

  Python自然语言处理入门 原文链接:http://python.jobbole.com/85094/ 分享到:20 本文由 伯乐在线 - Ree Ray 翻译,renlytime 校稿.未经许可,禁止转载!英文出处:Nitin Madnani.欢迎加入翻译组. 本文从概念和实际操作量方面,从零开始,介绍在Python中进行自然语言处理.文章较长,且是PDF格式. (作者案:本文是我最初发表在<ACM Crossroads>Volume 13,Issue 4 上的完整修订版.之所以修订是…

http://acm.hdu.edu.cn/showproblem.php?pid=2062 Subset sequence Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3569    Accepted Submission(s): 1802 Problem Description Consider the aggregate An=…

Connect them Time Limit: 1 Second      Memory Limit: 32768 KB You have n computers numbered from 1 to n and you want to connect them to make a small local area network (LAN). All connections are two-way (that is connecting computers iand j is the sam…

A - Second-price Auction Do you know second-price auction? It's very simple but famous. In a second-price auction, each potential buyer privately submits, perhaps in a sealed envelope or over a secure connection, his (or her) bid for the object to th…

描述 You have n computers numbered from 1 to n and you want to connect them to make a small local area network (LAN). All connections are two-way (that is connecting computers i and j is the same as connecting computers j and i). The cost of connecting…

lemma与stem的区别 Difference between stem and lemma 先从wikipedia上看看什么是stem,什么是lemma? Lemma(morphology):In morphology and lexicography, a lemma (plural lemmas or lemmata) is the canonical form, dictionary form, or citation form of a set of words(headword).…

Subset sequence Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4123    Accepted Submission(s): 2019 Problem Description Consider the aggregate An= { 1, 2, …, n }. For example, A1={1}, A3={1,2,3…

题目3 : A Simple Job时间限制:1000ms单点时限:1000ms内存限制:256MB描述Institute of Computational Linguistics (ICL), Peking University is an interdisciplinary institute of science and liberal arts, it focuses primarily on the fundamental researches and applications of…

Connect them ZOJ - 3204 You have n computers numbered from 1 to n and you want to connect them to make a small local area network (LAN). All connections are two-way (that is connecting computers i and j is the same as connecting computers j and i). T…

This application discloses methods for creating self-organizing networks implemented on heterogeneous mesh networks. The self-organizing networks can include a computing cloud component coupled to the heterogeneous mesh network. In the methods and co…

2026.Max Sum (c++) Problem Description Consider the aggregate An= { 1, 2, -, n }. For example, A1={1}, A3={1,2,3}. A subset sequence is defined as a array of a non-empty subset. Sort all the subset sequece of An in lexicography order. Your task is to…

这是一场三人组队赛来的,单人带电子模板不限时单挑试一下.按照难度排序. B - Balls of Buma 题意:玩祖玛,射入任意颜色的球一个,当某段长度变长了且长度变长后>=3则这段就会消除,问把所有的球只用一次射击就消除的方法是多少? 题解:看起来一定要两边对称. int n; char s[300005]; int L[300005], R[300005], top; void test_case() { top = 0; L[++top] = 1; R[top] = 1; for(int…

A. Apprentice Learning Trajectory rdc乱编的做法 考虑贪心,每次会选择结束时间最早的. 设当前时间为 \(x\),那么可以区间有两类 a) \(l_i \leq x \leq r_i-t_i\),b) \(x \leq l_i\),用两个堆维护选择区间的结束时间. 堆被改变的次数与最优解变化次数都是 \(O(n)\) 级别的. B. Balls of Buma C. Cactus Revenge D. DevOps Best Practices E. Elec…

这十题感觉是100题内相对较为麻烦的,有点搞我心态... HDU2060 Snooker 题目链接 Problem Description background: Philip likes to play the QQ game of Snooker when he wants a relax, though he was just a little vegetable-bird. Maybe you hadn't played that game yet, no matter, I'll in…