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全部文章（共388篇）

hdu2102——A计划

可怜的公主在一次次被魔王掳走一次次被骑士们救回来之后，而今，不幸的她再一次面临生命的考验。魔王已经发出消息说将在T时刻吃掉公主，因为他听信谣言说吃公主的肉也能长生不老。年迈的国王正是心急如焚，告招天下勇士来拯救公主。不过公主早已习以为常，她深信智勇的骑士LJ肯定能将她救出。现据密探所报，公主被关...

2021-04-05

0 565

hdu5879——Cure

Given an integer n, we only want to know the sum of 1/k2 where k from 1 to n. Input There are multiple cases. For each test case, there is a single...

2021-04-05

0 380

hdu3068——最长回文

给出一个只由小写英文字符a,b,c…y,z组成的字符串S,求S中最长回文串的长度. 回文就是正反读都是一样的字符串,如aba, abba等 Input 输入有多组case,不超过120组,每组输入为一行小写英文字符a,b,c…y,z组成的字符串S 两组case之间由空行隔开(该空行不用处理) 字符串...

2021-04-05

0 458

hdu2177——取(2堆)石子游戏

有两堆石子，数量任意，可以不同。游戏开始由两个人轮流取石子。游戏规定，每次有两种不同的取法，一是可以在任意的一堆中取走任意多的石子；二是可以在两堆中同时取走相同数量的石子。最后把石子全部取完者为胜者。现在给出初始的两堆石子的数目，如果轮到你先取，假设双方都采取最好的策略，问最后你是胜者还是败者。如果...

2021-04-05

0 575

hdu1370——Biorhythms

Some people believe that there are three cycles in a person’s life that start the day he or she is born. These three cycles are the physical, emotiona...

2021-04-05

0 618

Codeforces853A——Planning

Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them ...

2021-04-05

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Codeforces451A——Game With Sticks

After winning gold and silver in IOI 2014, Akshat and Malvika want to have some fun. Now they are playing a game on a grid made of n horizontal and m ...

2021-04-05

0 421

Codeforces451B——Sort the Array

Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers. Unfortunately...

2021-04-05

0 638

poj2431——Expedition

A group of cows grabbed a truck and ventured on an expedition deep into the jungle. Being rather poor drivers, the cows unfortunately managed to run o...

2021-04-05

0 345

HashMap的三种输出方式

import java.util.*; public class test { public static void main(String[] args) { HashMap<Integer,String> hashMap=new HashMap<&g...

2021-04-05

0 632