import java.util.*; import java.lang.*; class Rextester { public static double f(double x) { return 1-x*x;} public static void main(String[] args) { double l=1, r=2, eps=0.00001, m1,m2; while ((r-l)>eps) { m1= l+(r-l)/3; m2=r-(r-l)/3; if (f(m1)