FollowWindD

#include<iostream> #include<cmath> #include<cstdio>#define EXP 1e-8 #define f(x) log(x)/xusing namespace std;const double e = 2.718281828459;int main(){ //连边取对数 化简 double Y; whil

将right-left<EXP换成一定次数的训环使得不会出现浮点数精度问题而出现的死循环不如设成100次,就是将left,right折半100次