using System using System Collections Generic using System Linq using

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static double func(double x)
{
return 1 - x + Math.Sin(x) - Math.Log(1 + x);
}
static void Main(string[] args)
{
double a = 0, b = 1.5;
double eps = 0.0001;
while (Math.Abs(b - a) > eps)
{
double x = (a + b) / 2;
if (func(a) * func(x) < 0)
b = x;
else
a = x;
}
double answer = (a + b) / 2;
Console.WriteLine("{0:f4}",answer);
Console.ReadKey();
}
}
}