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  1. #include <iostream>
  2. #include <stdlib.h>
  3. #include <math.h>
  4. #include <time.h>
  5. #define exponent 2.718
  6.  
  7.   using namespace std;
  8.   void Normal(void)
  9.    {
  10.        double U, V;
  11.        double S, X;
  12.  
  13.        do {
  14.            U = rand()%200-100;
  15.            V = rand()%200-100;
  16.            U /= 100;
  17.            V /= 100;
  18.            cout << "V = " << V << "U = " << U << "\n";
  19.  
  20.            S = U*U + V*V;
  21.            cout << "S = " << S << "\n";
  22.            if(S > 0 && S <= 1) break;
  23.            }
  24.            while (1);
  25.  
  26.            X = U * sqrt((-2) * log(S) / S);
  27.            cout << "\nResult for Normal: " << X << "\n\n";
  28.    }
  29.  
  30.    void Puasson(void)
  31.    {
  32.         double lambda, exp;
  33.         double L;
  34.         double p,u ;
  35.         int k;
  36.         lambda = 8/1;
  37.         exp = exponent;
  38.         L = pow(exp, (0-lambda));
  39.         cout << "L = " << L << "\n";
  40.         p = 1;
  41.         k = 0;
  42.  
  43.         do {
  44.             k++;
  45.             u = rand()%100;
  46.             u /= 100;
  47.             p *= u;
  48.             } while(p > L);
  49.  
  50.             k--;
  51.             cout << "\nResult for Puasson: " << k << "\n\n";
  52.    }
  53.    int main(void)
  54.    {
  55.        srand(time(NULL));
  56.  
  57.        //First
  58.        Normal();
  59.  
  60.        //Second
  61.        Puasson();
  62.  
  63.        system("pause");
  64.        return(0);
  65.    }
Success #stdin #stdout #stderr 0s 16064KB
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stdin
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Standard input is empty
stdout
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V = 0.82U = 0.19
S = 0.7085

Result for Normal: 0.187396

L = 0.000335741

Result for Puasson: 10
stderr
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sh: 1: pause: not found
https://ideone.com/5EdYBN
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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