JokerPoker的专栏

Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 1238Accepted: 483DescriptionWe have a map for farming land in a country. Thewhole farming land of the country is divided into a

DescriptionIn order to lower the risk of riots and escapeattempts, the boards of two nearby prisons of equal prisonercapacity, have decided to rearrange their prisoners amongthemselves. They want

DescriptionGive a tree with nvertices,each edge has a length(positive integer less than1001).Define dist(u,v)=The min distance between node u and v.Give an integer k,for every pair (u,v) of verti

DescriptionA prefix of a string is asubstring starting at the beginning of the given string. Theprefixes of "carbon" are: "c", "ca", "car", "carb", "carbo", and"carbon". Note that the empty string

DescriptionBessie, Farmer John's prize cow,has just won first place in a bovine beauty contest, earning thetitle 'Miss Cow World'. As a result, Bessie will make a tour of N(2 <= N <= 50,000) farms

DescriptionA friend of yours has taken thejob of security officer at the Star-Buy Company, a famous depart-ment store. One of his tasks is to install a video surveillancesystem to guarantee the se

DescriptionThis year, ACM/ICPC World finals will be held in a hall in formof a simple polygon. The coaches and spectators are seated alongthe edges of the polygon. We want to place a rotating scor

http://poj.org/problem?id=1442题目又臭又长就不贴了，给两串数a[i],u[i]长度分别为M,N（我读入的时候是N,M。习惯了。。。）。对于每个u[i]，输出a数组前u[i]个中从小到大的第i个数。//=================================================================================

DescriptionConsider a tree withN vertices, numbered from 1 to N. Add, if it is possible, a minimumnumber of edges thus every vertex belongs to exactly onecycle.InputThe input has thefollowing s

DescriptionIt's well known that DNA Sequence is a sequenceonly contains A, C, T and G, and it's very useful to analyze asegment of DNA Sequence，For example, if a animal's DNAsequence contains se

http://poj.org/problem?id=1436题目大意：1.给出n条垂直x轴的线段。2.定义两条线段水平可见当且仅当存在一条平行于x轴的线段，它的两个端点落在这两条线段上并且不与第三条线段相交。3.定义三条线段构成一个三角形当且仅当这三条线短两两之间水平可见。求这n条线段可以构成多少个三角形。//====================================

DescriptionAs an employee of the Macrohard Company, you havebeen asked to implement the new data structure that would be usedto store some integer keys. The keys must be stored in a special ordere

DescriptionThe art galleries ofthe new and very futuristic building of the Center for BalkanCooperation have the form of polygons (not necessarily convex).When a big exhibition is organized, watch