StarHai

2018年1月29日

摘要： You are given a rectangular field of n × m cells. Each cell is either empty or impassable (contains an obstacle). Empty cells are marked with '.', imp 阅读全文

posted @ 2018-01-29 20:22 StarHai 阅读(194) 评论(0) 推荐(0)

POJ-2251

摘要： You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not be filled with rock. 阅读全文

posted @ 2018-01-29 20:12 StarHai 阅读(258) 评论(0) 推荐(0)

HDU-1518

摘要： Given a set of sticks of various lengths, is it possible to join them end-to-end to form a square? InputThe first line of input contai... 阅读全文

posted @ 2018-01-29 20:05 StarHai 阅读(228) 评论(0) 推荐(0)

Coderforces-455A

摘要： Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game a... 阅读全文

posted @ 2018-01-29 19:56 StarHai 阅读(192) 评论(0) 推荐(0)

2018年1月25日

UVA-1608

摘要： We were afraid of making this problem statement too boring, so we decided to keep it short. A sequenceis called non-boring if its ever... 阅读全文

posted @ 2018-01-25 21:43 StarHai 阅读(208) 评论(0) 推荐(0)

Coderfocers-551C

摘要： Professor GukiZ is concerned about making his way to school, because massive piles of boxes are blocking his way.In total there are n ... 阅读全文

posted @ 2018-01-25 21:31 StarHai 阅读(274) 评论(0) 推荐(0)

HDU-1274

摘要：在纺织CAD系统开发过程中，经常会遇到纱线排列的问题。该问题的描述是这样的：常用纱线的品种一般不会超过25种，所以分别可以用小写字母表示不同的纱线，例如：abc表示三根纱线的排列；重复可以用数字和括号表示，例如：2(abc)表示abcabc；1(a)=1a表示a;2... 阅读全文

posted @ 2018-01-25 20:02 StarHai 阅读(348) 评论(0) 推荐(0)

2018年1月24日

Codeforces-501b

摘要： Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any numb... 阅读全文

posted @ 2018-01-24 22:57 StarHai 阅读(275) 评论(0) 推荐(0)

UVA-156

摘要： Most crossword puzzle fans are used to anagrams — groups of words with the same letters in differentorders — for example OPTS, SPOT, S... 阅读全文

posted @ 2018-01-24 22:50 StarHai 阅读(221) 评论(0) 推荐(0)

Codeforces-527c

摘要： Leonid wants to become a glass carver (the person who creates beautiful artworks by cutting the glass). He already has a rectangular w... 阅读全文

posted @ 2018-01-24 22:42 StarHai 阅读(344) 评论(0) 推荐(0)

UVA-11995

摘要： There is a bag-like data structure, supporting two operations:1 x Throw an element x into the bag.2 Take out an element from the bag.G... 阅读全文

posted @ 2018-01-24 22:37 StarHai 阅读(306) 评论(0) 推荐(0)

HDU-1022

摘要： As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because ... 阅读全文

posted @ 2018-01-24 22:33 StarHai 阅读(199) 评论(0) 推荐(0)

FIve in a row

摘要： Alice and Bob play 5-in-a-row game. They have a playing field of size 10 × 10. In turns they put either crosses or noughts, one at a t... 阅读全文

posted @ 2018-01-24 22:11 StarHai 阅读(292) 评论(0) 推荐(0)

UVA-10815

摘要： Andy, 8, has a dream - he wants to produce hisvery own dictionary. This is not an easy task forhim, as the number of words that he kno... 阅读全文

posted @ 2018-01-24 21:00 StarHai 阅读(165) 评论(0) 推荐(0)

Codeforce-620C

摘要： There are n pearls in a row. Let's enumerate them with integers from 1 to n from the left to the right. The pearl number i has the typ... 阅读全文

posted @ 2018-01-24 20:46 StarHai 阅读(193) 评论(0) 推荐(0)

Codeforce612C

摘要： You are given string s consists of opening and closing brackets of four kinds ,{}, [], (). There are two types of brackets: opening an... 阅读全文

posted @ 2018-01-24 20:39 StarHai 阅读(210) 评论(0) 推荐(0)

hdu-1027

摘要： Now our hero finds the door to the BEelzebub feng5166. He opens the door and finds feng5166 is about to kill our pretty Princess. But ... 阅读全文

posted @ 2018-01-24 20:29 StarHai 阅读(243) 评论(0) 推荐(0)

2018年1月23日

Drying

摘要： It is very hard to wash and especially to dry clothes in winter. But Jane is a very smart girl. She is not afraid of this boring proce... 阅读全文

posted @ 2018-01-23 22:45 StarHai 阅读(404) 评论(0) 推荐(0)

Strange fuction

摘要： Now, here is a fuction: F(x) = 6 * x^7+8*x^6+7*x^3+5*x^2-y*x (0 #include#include#includeusing namespace std;double f(double x,double... 阅读全文

posted @ 2018-01-23 20:54 StarHai 阅读(289) 评论(0) 推荐(0)

Can you solve this equation?

摘要： Now,given the equation 8*x^4 + 7*x^3 + 2*x^2 + 3*x + 6 == Y,can you find its solution between 0 and 100; Now please try your lucky.Inp... 阅读全文

posted @ 2018-01-23 20:52 StarHai 阅读(238) 评论(0) 推荐(0)

poj2456-Aggressive cows

摘要： Farmer John has built a new long barn, with N (2 #include#includeusing namespace std;int main(){int N,C,left,right,mid;cin>>N>>C;int a... 阅读全文

posted @ 2018-01-23 20:49 StarHai 阅读(224) 评论(0) 推荐(0)

2018年1月22日

E - Unimodal Array CodeForces - 831A

摘要： Array of integers is unimodal, if:it is strictly increasing in the beginning;after that it is constant;after that it is strictly decre... 阅读全文

posted @ 2018-01-22 16:48 StarHai 阅读(237) 评论(0) 推荐(0)

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