原创 HDU - 1896

Stones Because of the wrong status of the bicycle, Sempr begin to walk east to west every morning and walk back eve

原创 UVA - 12627

Erratic Expansion 原文PDF鏈接 description: Piotr found a magical box in heaven. Its magic power is that if you place an

原创 POJ - 3104

Drying Time limit : 2000 ms Memory limit : 65536K description: It is very hard to wash and especially to dry

原创 CodeForces - 831C

Jury Marks Time limit : 2000 ms Memory limit : 262144 kB description: Polycarp watched TV-show where k jury m

原创 POJ-3096

Surprising Strings Time Limit: 1000MS memory Limit: 65536K Description The D-pairs of a string of letters are

原创 CodeForces - 589F

Gourmet and Banquet Time limit : 2000 ms Memory limit : 524288 kB description: A gourmet came into the banque

原创 POJ - 3258

River Hopscotch Time limit : 2000 ms Memory limit : 65536 K description: Every year the cows hold an event fe

原创 HDU - 2199

Can you solve this equation? Description Now,given the equation 8*x^4 + 7*x^3 + 2*x^2 + 3*x + 6 == Y,can you find i

原创 HDU - 2050

折線分割平面 Description: 我們看到過很多直線分割平面的題目,今天的這個題目稍微有些變化,我們要求的是n條折線分割平面的最大數目。比如,一條折線可以將平面分成兩部分,兩條折線最多可以將平面分成7部分,具體如下所示。

原创 HDU - 2682 

Tree description: There are N (2<=N<=600) cities,each has a value of happiness,we consider two cities A and B whose val

原创 2018計算機保研夏令營情況介紹(清華,人大,北航,中科院計算所,中科院軟件所,南大)

       本人從2018年5月份開始準備保研的事情,下面就自身情況,材料準備,高校夏令營條件,機試或筆試題目,面試形式等做一個介紹。在申請的學校中,除了北大信科被拒了以外,其他都取得了入營資格。下面也主要介紹一下最終去了的學校: 清華

原创 CodeForces 5C

Longest Regular Bracket Sequence Description: This is yet another problem dealing with regular bracket sequences. We sh

原创 POJ - 3522 

Slim Span description: Given an undirected weighted graph G, you should find one of spanning trees specified as follows

原创 CSU - 1973

Radar Installation Time limit : 1000 ms Memory limit : 10000K description: Assume the coasting is an infinite str

原创 CodeForces 416C

Booking System description: Innovation technologies are on a victorious march around the planet. They integrate into al