摘要：
Problem Description Who is Dylans?You can find his ID in UOJ and Codeforces. His another ID is s1451900 in BestCoder.And now today's problems are all 阅读全文
摘要：
转载出处：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 , 阅读全文