fork download
copy 
  1.     #include <iostream>
  2.     #include <cmath>
  3.  
  4.     int main() 
  5.     {
  6.     	int n = 155;
  7.     	double a = 3.0, b = 17.0;
  8.     	double dx = (b - a) / n;
  9.     	double integral = 0.0;
  10.     	for (double x = a + dx / 2; x < b; x += dx)
  11.     	{
  12.     		integral += exp(x) / x * dx;
  13.     	}
  14.     	std::cout << integral << std::endl;
  15.     	return 0;
  16.   }
Success #stdin #stdout 0s 16064KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
1.51617e+06
https://ideone.com/74qvEp
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!