摘要： 题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=2899解题思路：F(x)求导，二分搜索F'(x)=0时的x的值。#include <iostream>#include <cmath>using namespace std;const double eps = 1e-12;double bsearch(double y){ double mid, tmp; double left = 0, right = 100; while (fabs(right - left) > eps) { mid = (left + 阅读全文