Определить вероятности исходов боя бомбардировщика с истребителями

#include <iostream>
using namespace std;
 
void roundScore(double p1, double p2, double PR)
{   double PA, PB, PC, PD, PE, PF, q1, q2;
    q1 = 1. - p1;
    q2 = 1. - p2;
    
    PA = PR*(1. - p1*p1)*p2*(2. - p2);
    PB = PR*p1*p1;
    PC = PR*(1. - q1*q1);
    PD = PR*(1. - q1*q1*q2*q2);
    PE = PR*p1*(1.0 + q1);
    PF = PA + PE;
 
    cout<<"\tPA = "<<PA<<"\n\tPB = "<<PB<<"\n\tPC = "<<PC<<"\n\tPD = "<<PD<<"\n\tPE = "<<PE<<"\n\tPF = "<<PF<<"\n";
}
 
int main()
{   double p1,p2,PR;
    int round = 1;
    cout<<"p1 = ";
    cin>>p1;
    cout<<"p2 = ";
    cin>>p2;
 
    cout<<"Round "<<round<<"\n";
    roundScore(p1,p2,1.);
 
    PR = 1. - (1. - p1*p1)*p2*(2. - p2) - p1*p1;
 
    for(round=2; round<6; round++)
    {   cout<<"Round "<<round<<"\n";
        roundScore(p1,p2,PR);
        PR *= PR;
    }
 
 
    cin.sync();cin.get();
    return 0;
}

#include <iostream>
#include <ctime>
using namespace std;
 
int niceShot(double p)
{   int i,res;
    for(i=0; i<=rand()%100+1; i++) //shuffle and shuffle and...
        res = rand()%RAND_MAX;
    if(res/(RAND_MAX*1.) < p)
        return 1;
    return 0;
}
 
int main()
{   double p1,p2;
    int round = 1, bomber = 1, fighter = 2;
    cout<<"p1 = ";
    cin>>p1;
    cout<<"p2 = ";
    cin>>p2;
 
    srand((unsigned int) time(NULL));
 
    while(fighter>0)
    {   cout<<"\nROUND "<<round<<"\n";
        cout<<"\tBomber "<<bomber<<"\n";
        cout<<"\tFighter "<<fighter<<"\n";
 
        if(niceShot(p1)) 
        {   cout<<"One fighter down\n";
            fighter--;
        }
        if(fighter && niceShot(p1)) 
        {   cout<<"One fighter down\n";
            fighter--;
        }
        
        if(!fighter) break;
 
        if(niceShot(p2)) 
        {   cout<<"Bomber down\n";
            break;
        }
        if(niceShot(p2)) 
        {   cout<<"Bomber down\n";
            break;
        }
        round++;
    }
    
    cout<<"\nGAME OVER\n";
    
    cin.sync();cin.get();
    return 0;
}