SCUT_Pein

DescriptionYou may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Your program will read information about a collection of s

優YoU http://user.qzone.qq.com/289065406/blog/1304402322大致题意：给出一个5元3次方程，输入其5个系数，求它的解的个数其中系数 ai∈[-50,50]  自变量xi∈[-50,0）∪（0,50] 注意：  若x1 =a, x2=b ,x3=c ,x4=d,x5=e时，与 x1=b, x2=a ,x3=c ,x4 =d,

Problem DescriptionContest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time is guessing the most popular problem. When the contest i

Problem DescriptionMany people like to solve hard puzzles some of which may lead them to madness. One such puzzle could be finding a hidden prime number in a given text. Such number could be the num

Problem DescriptionThere are N customers set their M different advertisements on Baidu. Each advertisement is owned by single customer. The ads system of Baidu records the number of clicks of each a

Problem DescriptionConsider equations having the following form: a*x1^2+b*x2^2+c*x3^2+d*x4^2=0a, b, c, d are integers from the interval [-50,50] and any of them cannot be 0.It is consider

DescriptionRJ Freight, a Japanese railroad company for freight operations has recently constructed exchange lines at Hazawa, Yokohama. The layout of the lines is shown in Figure 1.Figure 1: La

DescriptionYou are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks in a straight line such that the colors of the endpoints