I don't know what I am doing

#include <iostream>
#include "stdio.h"
#include "stdlib.h"
#include "math.h"
void inpData(double* pda, double* pde, double* pdx, double* pta, double* pte, double* ptx, double* pa, double* pb, double* pc, double* pi);
void comp(double da, double de, double dx, double ta, double te, double tx, double a, double b, double c, double i);
void inpData();
void readData(double *, double *, double *, double *, double *, double *, double *, double *, double *);

#pragma warning(disable : 4996)
using namespace std;
int main()


void inpData(double* pda, double* pde, double* pdx, double* pta, double* pte, double* ptx, double* pa, double* pb, double* pc, double* pi)
{
    cout << "a = "; cin >> *pa;
    cout << "b = "; cin >> *pb;
    cout << "c = "; cin >> *pc;
    cout << "i = "; cin >> *pi;
    cout << "da, de, dx :"; cin >> *pda >> *pde >> *pdx;
    cout << "ta, te, tx :"; cin >> *pta >> *pte >> *ptx;
}

void comp(double da, double de, double dx, double ta, double te, double tx, double a, double b, double c, double i)
{
    int count = 1;
    double d, t, z;
    d = da;
    {
        while (d <= de)
        {
            t = ta;
            while (t <= te)
            {
                if (t != 0, d != 0)
                {
                    z = ((exp(-i * t) * pow(b * c, 1.0 / 3.0) + 1.0) / ((exp(-t) * pow(sqrt(a * a + b * b) / sqrt(d), 1.0 / 3.0))));
                    cout << " z = " << z << " t = " << t << " d = " << d << endl;
                    count++;
                }
                else
                {
                    cout << "Berechnungen verboten" << endl;
                }
                t += tx;
            }
            d += dx;
        }

    }
}