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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. const double EPS = .01;
  7.  
  8. double f(double x)
  9. {
  10. 	return 7 * sin(2*x);
  11. }
  12.  
  13. double solve(double l, double r)
  14. {
  15. 	double m = l / 2 + r / 2;
  16.  
  17. 	if (r-l < EPS)
  18. 		return m;
  19.  
  20. 	double x1 = solve(l, m), x2 = solve(m, r);
  21. 	return f(x1) < f(x2) ? x1 : x2;
  22. }
  23.  
  24. int main()
  25. {
  26. 	cout << solve(2, 6);
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 3468KB
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Standard input is empty
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2.35547
https://ideone.com/fyRCVW
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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