Number Busters Time Limit: 1000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 382B64-bit integer IO format: %I64d      Java class name: (Any)   Arthur and Alexander are number busters. Today they've got a competitio…

Dancing Lessons Time Limit: 5000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 45C64-bit integer IO format: %I64d      Java class name: (Any)   There are n people taking dancing lessons. Every person is characterize…

B. Infinite Maze time limit per test  2 seconds memory limit per test  256 megabytes input standard input output  standard output We've got a rectangular n × m-cell maze. Each cell is either passable, or is a wall (impassable). A little boy found the…

Double Profiles Time Limit: 3000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 154C64-bit integer IO format: %I64d      Java class name: (Any)   You have been offered a job in a company developing a large social net…

Hometask Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 154A64-bit integer IO format: %I64d      Java class name: (Any)   Sergey attends lessons of the N-ish language. Each lesson he receives a homet…

An interesting mobile game Time Limit: 1000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 329564-bit integer IO format: %I64d      Java class name: Main   XQ,one of the three Sailormoon girls,is usually playing mobile games…

Colliders Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 155D64-bit integer IO format: %I64d      Java class name: (Any)   By 2312 there were n Large Hadron Colliders in the inhabited part of the uni…

C - Design the city Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Description Cerror is the mayor of city HangZhou. As you may know, the traffic system of this city is so terrible, that there are traffic jams everywhere.…

E - Palindromic Numbers Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Description A palindromic number or numeral palindrome is a 'symmetrical' number like 16461 that remains the same when its digits are reversed. In this…

D - Round Numbers Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (also known as 'Rock, Paper, Scissors', 'R…

Post Office Time Limit: 1000ms Memory Limit: 10000KB This problem will be judged on PKU. Original ID: 116064-bit integer IO format: %lld      Java class name: Main     There is a straight highway with villages alongside the highway. The highway is re…

To Add or Not to Add Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 231C64-bit integer IO format: %I64d      Java class name: (Any)   A piece of paper contains an array of n integers a1, a2, ..., an.…

Burning Bridges Time Limit: 5000ms Memory Limit: 32768KB This problem will be judged on ZJU. Original ID: 258864-bit integer IO format: %lld      Java class name: Main   Ferry Kingdom is a nice little country located on N islands that are connected b…

Opening Portals Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 196E64-bit integer IO format: %I64d      Java class name: (Any)     Pavel plays a famous computer game. A player is responsible for a wh…

Checkposts Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 427C64-bit integer IO format: %I64d      Java class name: (Any)     Your city has n junctions. There are m one-way roads between the junction…

Find Metal Mineral Time Limit: 1000ms Memory Limit: 65768KB This problem will be judged on HDU. Original ID: 400364-bit integer IO format: %I64d      Java class name: Main     Humans have discovered a kind of new metal mineral on Mars which are distr…

Water Tree Time Limit: 4000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 343D64-bit integer IO format: %I64d      Java class name: (Any)   Mad scientist Mike has constructed a rooted tree, which consists of n verti…

http://codeforces.com/contest/382/problem/B 题意:给你Aa,b,w,x,c,然后每经过1秒,c=c-1;  如果b>=x,b=b-x;否则 a=a-1,b=w-(x-b);  问经过多少秒c<=a; #include <cstdio> #include <cstring> #include <algorithm> #define ll __int64 using namespace std; ll a,b,w,x,…

Subsequence Time Limit: 1000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 353064-bit integer IO format: %I64d      Java class name: Main     There is a sequence of integers. Your task is to find the longest subsequence tha…

校验约束 一,认识Validator---Validation中最主要的接口 1.怎么获取一个Validator--Validation.buildDefaultValidatorFactory() 对一个实体对象验证之前首先需要有个 Validator 对象, 而这个对象是需要通过 Validation 类和ValidatorFactory 来创建的. 最简单的方法是调用 Validation.buildDefaultValidatorFactory() 这个静态方法 ValidatorFac…

using System; using System.Collections.Generic; using System.Text; namespace MacPrinter { public class ZPL_Command { /// (^EF)<summary> /// 清除设定 (已包含起始结束命令) /// </summary> /// <returns></returns> public string _CmdEraseSetup() { st…

Preface Validating data is a common task that occurs throughout all application layers, from the presentation to the persistence layer. Often the same validation logic is implemented in each layer which is time consuming and error-prone. To avoid dup…

w分布式查询.数据聚合.跨碎片join是可且应避免的.自增主键管理.基于-会话/事务/语句-选择碎片.通过-主键/模块/碎片索引-碎片化数据 http://www.agildata.com/database-sharding/ Database Sharding Challenges Due to the distributed nature of individual databases, a number of key elements must be taken into account:…

1.查询所对象相关的表?V$LOCK, V$LOCKED_OBJECT, V$SESSION, V$SQLAREA, V$PROCESS ;查询锁的表的方法:SELECT S.SID SESSION_ID, S.USERNAME, DECODE(LMODE, 0, 'None', 1, 'Null', 2, 'Row-S (SS)', 3, 'Row-X (SX)', 4, 'Share', 5, 'S/Row-X (SSX)', 6, 'Exclusive', TO_CHAR(LMODE))…

Machine Learning Note Introduction Introduction What is Machine Learning? Two definitions of Machine Learning are offered. Arthur Samuel described it as:"the filed of study that gives computers the ability to learn without being explicitly programmed…

Yada Number       Time Limit : 2000 MS   Memory Limit : 65536 KB   Yada Number Problem Description: Every positive integer can be expressed by multiplication of prime integers. Duoxida says an integer is a yada number if the total amount of 2,3,5,7,1…

Yada Number Problem Description: Every positive integer can be expressed by multiplication of prime integers. Duoxida says an integer is a yada number if the total amount of 2,3,5,7,11,13 in its prime factors is even. For instance, 18=2 * 3 * 3 is no…

Problem Description Recently, Mr. Xie learn the concept of happy number. A happy number is a number contain all digit 7 or only 1 digit other than 7. For example, 777 is a happy number because 777 contail all digit 7, 7177 and 87777 both happy number…

Yada Number Problem Description: Every positive integer can be expressed by multiplication of prime integers. Duoxida says an integer is a yada number if the total amount of 2,3,5,7,11,13 in its prime factors is even. For instance, 18=2 * 3 * 3 is no…

题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=45  SCUD Busters  Background Some problems are difficult to solve but have a simplification that is easy to solve. Rather than…