Random coin Toss

#include "iostream" #include "CTime" #include "Iomanip" using namespace std;
Const unsigned long maxshort = 65536L;
Const unsigned long multiplier = 1194211693L;

Const unsigned long adder = 12345L;  Class Randomnumber {private:unsigned long randseed;  Current seed public:randomnumber (unsigned long s=0);  constructor, the default value of 0 means that the seed is automatically generated by the system unsigned short Random (unsigned long n);  Generates a random integer between 0:n-1 double frandom (void);

Generates a random real number between [0:1]};   Randomnumber::randomnumber (unsigned long s)//Generate seed {if (s==0) Randseed = time (0);     Generate seed with system time else randseed = s; User supplied seed} unsigned short randomnumber::random (unsigned long n)//Generate random integer between 0:n-1 {randseed = multiplier * randseed
    + adder;  return (unsigned short) ((randseed>>16)%n); High 16-bit randomness good, 16-bit right shift, map to (0~n-1) in the range} double randomnumber::frandom (void)//generate [0,1] random integer between {return random (Maxshort)/dou  BLE (maxshort); Generates a random integer between 0~ (maxshort-1), divided by maxshort} int tosscoins (int numBercoins)//random coin toss, numbercoins for the number of throws, return the coin face up the number of times {static Randomnumber cointoss;   int I, tosses = 0;  The number of coins facing upwards for (i=0; i<numbercoins; i++) tosses + = Cointoss.random (2);
Random (2) indicates positive return tosses;      }//Simulate random coin toss event int main () {const int ncoins = 10;   Frequency const Long ntosses = 50000L;  Number of analog events long I, heads[ncoins+1];
    Heads[i] is the number of times I get positive int J, position;
    for (j=0; j<=ncoins; j + +)//Initialize heads heads[j] = 0;
    for (i=0; i<=ntosses; i++)//Repeat 50,000 times event heads[tosscoins (ncoins)]++;
        for (i=0; i<=ncoins; i++)//Output frequency graph {position = Int (float (heads[i])/ntosses*72);
        cout<< SETW (6) << i << "";
        for (j=0; j<position-1; j + +) cout<< "";
    cout<< "*" <<endl;
} return 0; }