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Oct 31st, 2014
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  1. // нахождение корня n степени из числа
  2.  
  3. #include <iostream>
  4. #include <cmath>
  5.  
  6. using namespace std;
  7.  
  8. double const eps = 0.000001;
  9.  
  10. int main()
  11. {
  12. double l = 0, r, a, n, m = 0;
  13. cin >> a >> n;
  14. r = a;
  15. while (r - l > eps)
  16. {
  17. m = (double)(l + r) / 2;
  18. if (pow(m, n) > a) r = m ;
  19. else l = m ;
  20. }
  21. cout << m;
  22. }
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