xiji333的博客

https://vjudge.net/problem/Gym-101482E 题目大意：给定n、p、s、vn、p、s、vn、p、s、v，求： 加上s∗(1+1/c)/vs*(1+1/c)/vs∗(1+1/c)/v的最小值。 思路：把这一传写成一个函数，由于n、p、s、vn、p、s、vn、p、s、v已知所以可以先把它们忽略，然后得到：f(c)=c2+1/c+1f(c)=c^{\sqrt{2}}+1...

http://acm.hdu.edu.cn/showproblem.php?pid=2899 Now, here is a fuction:   F(x) = 6 * x^7+8*x^6+7*x^3+5*x^2-y*x (0 <= x <=100) Can you find the minimum value when x is between 0 and 100. Input ...