IP的计算 Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7479    Accepted Submission(s): 1457 Problem Description 在网络课程上,我学到了非常多有关IP的知识.IP全称叫网际协议,有时我们又用IP来指代我们的IP网络地址,如今IPV4下用一个32位无符号整数来表示,一般用点分方式…

统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 16905    Accepted Submission(s): 7273 Problem Description Ignatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统计出以某个字符串为前缀的单词数量(单词本身也是自己的前…

Stars Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4052    Accepted Submission(s): 1592 Problem Description Astronomers often examine star maps where stars are represented by points on a plan…

链接:传送门 题意:输入 n ,判断 n 是否为素数,如果是合数输出 n 的最素因子 思路:Pollard-rho经典题 /************************************************************************* > File Name: Pollard_rho_Test.cpp > Author: WArobot > Blog: http://www.cnblogs.com/WArobot/ > Created Time:…

The Suspects Time Limit: 1000MS   Memory Limit: 20000K Total Submissions: 21472   Accepted: 10393 Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. T…

题目1 : Trie树 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 小Hi和小Ho是一对好朋友,出生在信息化社会的他们对编程产生了莫大的兴趣,他们约定好互相帮助,在编程的学习道路上一同前进. 这一天,他们遇到了一本词典,于是小Hi就向小Ho提出了那个经典的问题:“小Ho,你能不能对于每一个我给出的字符串,都在这个词典里面找到以这个字符串开头的所有单词呢?” 身经百战的小Ho答道:“怎么会不能呢!你每给我一个字符串,我就依次遍历词典里的所有单词,检查你给我的字符串…

Balanced Lineup Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 32820   Accepted: 15447 Case Time Limit: 2000MS Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer Joh…

Babelfish Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 30816   Accepted: 13283 Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have…

Shortest Prefixes Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 12731   Accepted: 5442 Description A prefix of a string is a substring starting at the beginning of the given string. The prefixes of "carbon" are: "c", &qu…

Hat’s Words Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7282    Accepted Submission(s): 2639 Problem Description A hat’s word is a word in the dictionary that is the concatenation of exactly…