Dailies 5 6 7 c++

// ConsoleApplication1.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <iostream>
#include <cstdlib>
#include <ctime>
#include <cmath>
#include <string>
using namespace std;

int main()
{
    double start = 0.01, sum = 0.0;

    for (int i = 1; i <= 30; i++)
    {

        start = start * 2;
        sum = sum + start;

    }
    cout << " The total for the penny compounded daily is " << sum << endl;
    cout << " This is end of dailies 5." << endl;
    system("pause");


    double number1 = 0;
    double number2 = 1;
    double number3;
    double times = 0;
    cout << " Enter number of fibonacci numbers to generate." << endl;
    cin >> times;
    cout << number1 << ", ";
    cout << number2 << ", ";
    for (int i = 1; i <= times; i++)
    {
        number3 = number1 + number2;
        cout << number3 << ",";
        number1 = number2;
        number2 = number3;






    }
    cout << "This is the end of dailies 6." << "/n";
    cout << " Ask a question." << endl;
    char question;
    cin >> question;
    string response;
    srand(time(NULL));
    int randomnumber = rand() % 5 + 1;

            switch (randomnumber)
            {
            case 1:
                response = "yes"; break;
            case 2:
                response = "No"; break;
            case 3:
                response = "Maybe"; break;
            case 4:
                response = "You may find out later."; break;
            case 5:
                response = "This shit ain't random."; break;
            }
            cout << response << endl;

    cout << "This is the end of dailies 7." << endl;

    system("pause");
    return 0;
}