blackjack-related code

#include <stdio.h>
#include <stdint.h>
#include <cmath>
#include <string>
#include <iostream>
#include <fstream>
#include <iomanip>

#define FILL << std::setw(5) <<
#define FILL2 << std::setw(2) <<

#define SPC << " " <<

const int SIZE=20000;

int main()
{

    std::ofstream fi ("blackjack.txt", std::ofstream::out);

    uint16_t rng, rng2=0x3ff;
    int ub, lb;
    int array[52];
    int blackjack[SIZE];
    int bjnextindex[SIZE];
    uint16_t bjrng[SIZE];
    int bjrep[SIZE];
    int bjcount=0;
    int bit;

    //int index=0;

    for(int index=0;index<=SIZE;index++)
    {
        rng=rng2; //rng2 is starting rng

        //setup array
        for(int i=0;i<=51;i++) array[i]=51-i;

        int shuffle=0, repeats=0, pos;

        //shuffle by performing 52 swaps
        while(1)
        {
            //cycle rng 6 times
            for(int i=0;i<6;i++) {bit=(rng^(rng>>2)^(rng>>11)^(rng>>15))&1; rng=(rng<<1)+bit;}
            pos=rng%64;
            if(pos>=52) { repeats++; continue;} //if >=52, repeat; otherwise swap position shuffle and pos
            std::swap(array[pos],array[shuffle]);
            shuffle++;
            if(shuffle>=52) break;
        }

        //check for blackjack
        //array[1] and array[3] must be A and KQJT in either order
        //array[0] and array[2] must not be blackjack
        //A: <=3    ten-card: >=36

        if((array[1]<=3 && array[3]>=36) || (array[1]>=36 && array[3]<=3))
            if( !((array[0]<=3 && array[2]>=36) || (array[0]>=36 && array[2]<=3)) )
            {
                //blackjack
                //fi << std::dec << std::setfill('0') << std::setw(5) << index << " "
                //   << std::hex << std::uppercase << std::setfill('0') << std::setw(4) << rng2 << " "
                //   << std::dec << 390+6*repeats << " " << 390+6*repeats+index << "\n";


                blackjack[bjcount]=index;
                bjnextindex[bjcount]=390+6*repeats+index;
                bjrng[bjcount]=rng2;
                bjcount++;


                /*
                for(int i=0;i<=51;i++)
                    fi << std::hex << array[i] << " ";
                fi << "\n";
                */
            }


        //check next rng2
        bit=(rng2^(rng2>>2)^(rng2>>11)^(rng2>>15))&1;
        rng2=(rng2<<1)+bit;

    }

    //run over blackjacks to find next delay
    for(int i=0;i<bjcount;i++)
    {
        int j=i;

        do
        {
            j++;
        } while(j<bjcount-1 && blackjack[j]<bjnextindex[i]);

        fi << std::dec << std::setfill('0') << std::setw(5) << blackjack[i] << " "
           << std::hex << std::uppercase << std::setfill('0') << std::setw(4) << bjrng[i] << " "
           << std::dec << bjnextindex[i] << " " << blackjack[j] << " " << blackjack[j]-bjnextindex[i] << "\n";


    }


    fi.close();

    printf("Done!");
    getchar();
    return 0;
}