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A hard puzzleTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 36871    Accepted Submission(s): 13154Problem Descriptionlcy gives

点击打开链接无限的路Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8081    Accepted Submission(s): 4193Problem Description甜甜从小就喜欢画图画，最近他买

超级楼梯Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 47105    Accepted Submission(s): 24020Problem Description有一楼梯共M级，刚开始时你在第一级，若

Machine  Accepts: 580  Submissions: 1890 Time Limit: 2000/1000 MS (Java/Others)  Memory Limit: 65536/65536 K (Java/Others)问题描述有一个机器，它有 m (2\leq m\leq 30)m(2≤m≤30) 个彩灯和一个按钮。每按

jrMz and anglesAccepts: 594Submissions: 1198Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Problem DescriptionjrMz has two types of angles

Integer InquiryTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 17765    Accepted Submission(s): 4625Problem DescriptionOne of

Internet Service ProvidersTime Limit: 2000MSMemory Limit: 32768KB64bit IO Format: %lld & %lluDescriptionA group of N Internet Service Provider companies (ISPs) use a priv

1898: 985的数字难题Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 243  Solved: 78Description985有n个数，已知每次操作可以将其中不相同的两个数一个加一、一个减一，操作次数不限。问他最多可以得到多少个相同的数。Input第一行输入一个整数t，代表有t组测试数据。

Mishka and triptime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Mishka is a great traveller and she v

ConturbatioTime Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 981    Accepted Submission(s): 442Problem DescriptionThere are many r

1913: 小火山的计算能力Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 442  Solved: 105Description别人说小火山的计算能力不行，小火山很生气，于是他想证明自己，现在有一个表达式，他想计算出来。Input首先是一个t（1Output输出运算结果。Sample I

1148 - Mad Counting   PDF (English)StatisticsForumTime Limit: 0.5 second(s)Memory Limit: 32 MBMob was hijacked by the mayor of the Town "TruthTown". May

B. OR in Matrixtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLet's define logical OR as an operation on t

DZY Loves PhysicsDZY loves Physics, and he enjoys calculating density.Almost everything has density, even a graph. We define the density of a non-directed graph (nodes and edges of the

A. Watchmentime limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard outputWatchmen are in a danger and Doctor Manhattan together with his friend Dan

TIANKENG’s restaurantTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 2298    Accepted Submission(s): 838地址Problem DescriptionTIANKE

Lucky Numbers (easy)Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionPetya loves lucky numbers. Everybody knows that positive inte

Box of BricksTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9209 Accepted Submission(s): 2154 Problem Descriptio

素数求和问题时间限制：3000 ms  |  内存限制：65535 KB难度：2描述现在给你N个数（0<N<1000），现在要求你写出一个程序，找出这N个数中的所有素数，并求和。输入第一行给出整数M(0每组测试数据第一行给你N，代表该组测试数据的数量。接下来的N个数为要测试的数据，每个数小于1000输出每组测试数据结果占一行，输出给出的测试数

Problem DescriptionThe highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elevator will stop, in specifie

Binary String Matching时间限制：3000 ms  |  内存限制：65535 KB难度：3描述 Given two strings A and B, whose alphabet consist only ‘0’ and ‘1’. Your task is only to tell how many times does A appear as a

u Calculate eTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 39017    Accepted Submission(s): 17700Problem DescriptionA simple m

ZOJ问题Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3624    Accepted Submission(s): 1086Problem Description对给定的字符串(只包含'z','o','j'三种

DZY Loves Balls  Accepts: 662  Submissions: 1393 Time Limit: 4000/2000 MS (Java/Others)  Memory Limit: 262144/262144 K (Java/Others)Problem DescriptionDZY loves playing

士兵队列训练问题Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5451    Accepted Submission(s): 2513Problem Description某部队进行新兵队列训练，将新兵从一

Add ContestStatisticUPDATELucky NumbersTime Limit: 500MS Memory Limit: 65536KB 64bit IO Format: %I64d & %I64uSubmit StatusDescriptionT

Digital RootsTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 65477    Accepted Submission(s): 20417Problem DescriptionThe digital ro

1005 数据已改，第一名的同学，你已经过了，抱歉。。Let's go to play Time Limit : 3000/1000ms (Java/Other)   Memory Limit : 65535/32768K (Java/Other)Total Submission(s) : 764   Accepted Submission(s) : 213Font:

奇数阶魔方时间限制：1000 ms  |  内存限制：65535 KB难度：3描述一个 n 阶方阵的元素是1,2,...,n^2,它的每行，每列和2条对角线上元素的和相等，这样的方阵叫魔方。n为奇数时我们有1种构造方法，叫做“右上方” ，例如下面给出n=3，5，7时的魔方.38 1 63 5 74 9 2517 24 1 8 1523 5

Faulty OdometerTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2017    Accepted Submission(s): 1398Problem Description　　You are