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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main(int argc, char * argv[])
  7. {
  8.  
  9. double S = 1000000, m = 14749, n = 10;
  10.  
  11. double r = 0.5, old = 0, epsilon = 1e-8;
  12.  
  13. for(;abs(r - old) > epsilon;)
  14. {
  15. old = r;
  16. r = 12*m/S*(1 - 1/pow(1+old,n));
  17. }
  18.  
  19. cout << r*100 << endl;
  20.  
  21.  
  22. }
  23.  
  24.  
Success #stdin #stdout 0s 5448KB
stdin
1000000
14749
10
stdout
12.0005