终有绿洲摇曳在沙漠

B. The Festive Evening 题目链接 分类：思维、模拟1.题意概述有A~Z的26个入口，现在有n位客人轮流从这些入口进入，同一时刻不会有超过一位客人进入，每个客人进固定的入口，一个入口在第一位客人来的时候打开，在最后一位客人进入之后关闭，一个入口如果是打开的就需要一个守卫，共有k个守卫，问是否存在某个时间段有某个入口开放但没有守卫？2.解题思路这题的实质就是给

1.题目描述：C. Naming Companytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOleg the client and Igor the

1.题目描述：A. Bank Robberytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA robber has attempted to rob

1.题目描述：A. Face Detectiontime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe developers of Looksery ha

1.题目描述：ADAQUEUE - Ada and Queue#queueAda the Ladybug has many things to do. She puts them into her queue. Anyway she is very indecisive, so sometime she uses the top, sometime the

1.题目描述：ADALIST - Ada and List#tree #datastructuresAda the Ladybug has a TODO-list (containing only numbers - for simplicity). She is still doing something, so she sometimes erases 

1.题目描述：A. Anton and Polyhedronstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAnton's favourite geo

1.题目描述：C. INTERCALCtime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputDO YOU EXPECT ME TO FIND

1.题目描述：B. Masha and geometric depressiontime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputMasha really

1.题目描述：A. Anastasia and pebblestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAnastasia loves going

2.中文题目描述：n 个孩子在玩一个游戏。 孩子们站成一圈，按照顺时针顺序分别被标号为 1 到 n。开始游戏时，第一个孩子成为领导。 游戏进行 k 轮。 在第 i 轮中，领导会从他顺时针方向下一个孩子开始数 ai 个孩子。最后数到的那个孩子出局，再下一个孩子成为新的领导。举个例子， 现在圈内还剩 [8, 10, 13, 14, 16] 4个孩子，领导编号为 13 ， ai = 12

1.题目描述：A. Mazetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPavel loves grid mazes. A gr

1.题目描述：A. Carrot Cakestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn some game by Playrix it take

1.题目描述：Li Ming is a good student. He always asks the teacher about his rank in his class after every exam, which makes the teacher very tired. So the teacher gives him the scores of all the stud

A. The Useless Toy 题目链接 分类：模拟、map应用1.题意概述给你两个字符和旋转次数，问从第一个字符到第二个字符是通过顺时针还是逆时针旋转还是两种方向都行？2.解题思路考虑map映射4种状态，显然可以根据旋转的次数来确定它是否都能到达即可，具体细节参见代码。3.AC代码#include <bits/stdc++.h>using namespace std

1.题目描述：A. Shell Gametime limit per test0.5 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBomboslav likes to look out of

1.题目描述：C. Load Balancingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn the school computer roo

B. Keyboard Layouts 题目链接 分类：字符串、模拟1.题意概述给你26个字母的映射（均为小写），再给你一串长度不大于1000的字符串，要你输出它的映射结果。2.解题思路map直接存，注意的是大写变换以后还是大写，还有数字不需要映射！3.AC代码#include <bits/stdc++.h>#define INF 0x3f3f3f3f#define ma

A. Unimodal Array 题目链接 分类：模拟1.题意概述给你n个数，定义它的 unimodal 特征满足：在开头严格单调递增之后维持连续片段之后严格单调递减并且单增和单减可能不同时出现或者都不出现，连续片段长度也可能为1，现在要你判断这n个数是否具有这样的特征？2.解题思路特征已经给出了，我们判断无非抓住几个特点： 平稳之前可以上升，平稳之后不能上升下降之后

1.题目描述：A. Sagheer and Crossroadstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputSagheer is walking in

1.题目描述：A. Taymyr is calling youtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputComrade Dujikov is bus

1.题目描述：A. Lucky Yeartime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputApart from having lots of holiday

1.题目描述：A. Is it rated?time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIs it rated?Here it is. Th

1.题目描述：B. T-Shirt Hunttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputNot so long ago the Codecraft-

1.题目描述：A.速度牛排（红色）成绩0开启时间2017年05月14日 Sunday 09:30折扣0.8折扣时间2017年05月12日 Friday 19:50允许迟交是关闭时间2017年05月14日 Sunday 15:00题目描述食宝街有一家叫“速度牛排”的牛排

1.题目描述：A. New Year Candlestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasily the Programmer loves

1.题目描述：A. I Wanna Be the Guytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere is a game called "I

1.题目描述：A. SwapSorttime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn this problem your goal is to sor

1.题目描述：Unreliable MessageTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 2202 Accepted: 1346DescriptionThe King of a little Kingdom on a little

1.题目描述：Ugly ProblemTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 985    Accepted Submission(s): 347Special JudgeProblem Desc

1.题目描述：C. Design Tutorial: Make It Nondeterministictime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA

1.题目描述：C. Street LampsBahosain is walking in a street of N​blocks. Each block is either empty or has one lamp. If there is a lamp in ablock, it will light it’s block and the direct adjacent blocks

1.题目描述：A. Ostap and Grasshoppertime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOn the way to Rio de

1.题目描述：B. Pyramid of Glassestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputMary has just graduated f

1.题目描述：B. Sort the Arraytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputBeing a programmer, you like

1.题目描述：B. Ilya and tic-tac-toe gametime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIlya is

1.题目描述：A. Gabriel and Caterpillartime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe 9-th g

1.题目描述：B. Santa Claus and Keyboard Checktime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputSa

1.题目描述：B. Decodingtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp is mad about coding, that

1.题目描述：CRB and StringTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2262    Accepted Submission(s): 698Problem Descri