Fixed code - Rootix

#include <iostream>
#include <stdio.h>
#include <cstdlib>
#include <ctime>
#include <string>
using namespace std;

int displaystats(int gamesplayed, int wins, int losses, int bank);

int main()
{
    int bank = 100;//intital bank value
    int bet = 0;//desired wager
    int wins = 0;//games won
    int losses = 0;//games lost
    int gamesplayed = 0;//how many rounds you played
    int compdice1 = 0;//first rolled dice for computer
    int compdice2 = 0;//second rolled dice for computer
    int playdice1 = 0;//first rolled dice for player
    int playdice2 = 0;//seconds rolled dice for player
    int newdice = 0;//the dice to risk your wager
    int comproll = 0;//the sum of the computers roll
    int playroll = 0;//the sum of the players roll

    /**
        We are going to be dealing with rand(). This function does not automatically seed itself.
        We can seed it using the srand() function. (This is a little more elegant than your current
        form of adding a slight amount of entropy to it.

    **/
    srand(time(0));

    do
    {
        if (bank < 0)
        {
            cout << "You have " << bank << " coins in your bank." << endl;
            cout << "I am sorry you are out of money." << endl;
            displaystats(gamesplayed, wins, losses, bank);
            break;
        }

        else if (bank > 0)
        {
            cout << "You have " << bank << " coins in your bank." << endl;
            cout << "How many coins would you like to bet? ";
            cin >> bet;


            ///The following have been modified... See above.
            compdice1 = rand() % 6 + 1;//computer dice
            compdice2 = rand() % 6 + 1;//computer second dice
            playdice1 = rand() % 6 + 1;//player dice
            playdice2 = rand() % 6 + 1;//player second dice

            comproll = compdice1 + compdice2;//computer sum
            playroll = playdice1 + playdice2;//player sume

            cout << "Your roll was " << playdice1 << " and " << playdice2 << " with a sum of " << playroll << endl;

            if (playroll < comproll)
            {
                ///As you want to assess option as either "yes" or "no", I have changed its type to string.
                string option;//option to roll another dice


                cout << "You win!" << endl;
                cout << "Would you like to roll a third dice to earn 1.5 times your bet, yes or no? ";
                cin >> option;

                if (option == "yes")///Changed this from const char to const char*
                {
                    int newroll;//the new sum of the three dice
                    int newdice;//the extra roll

                    newdice = (rand() + time(0)) % 6 + 1;
                    newroll = playroll + newdice;//the value of players roll

                    if (newroll > comproll)
                    {
                        cout << "The computer rolled " << comproll << endl;
                        cout << "You now rolled higher than the computer therefore, I am sorry you lose this round." << endl;
                        cout << "Your bank now equals " << bank - bet << endl;
                        losses++;
                        gamesplayed++;
                        bank = bank - bet; ///We have to actually change the bank's value now don't we?
                    }

                    else if (newroll < comproll)
                    {
                        cout << "You win!" << endl;
                        cout << "Your bank now equals " << bank + (1.5 * bet) << endl;
                        wins++;
                        gamesplayed++;
                        bank += 1.5 * bet;///We have to actually change the bank's value now don't we?
                    }
                }
                else ///No need to assess if it is equal to "no", we will use this path as the default.
                {
                    cout << "Your bank now equals " << bank + bet << endl;
                    wins++;
                    gamesplayed++;
                    bank += bet;///We have to actually change the bank's value now don't we?
                }
            }

            else if (playroll > comproll)
            {
                cout << "The computer rolled " << comproll << endl;
                cout << "You rolled higher than the computer therefore, I am sorry you lose this round." << endl;
                cout << "Your bank now equals " << bank - bet << endl;
                losses++;
                gamesplayed++;
                bank = bank - bet;///We have to actually change the bank's value now don't we?
            }

            else if (playroll == comproll) /// Remember to use the == operator. This assess equality, = is the assignment operator.
            {
                cout << "The computer also rolled " << comproll << endl;
                cout << "I am sorry you now lose double your bet!" << endl;
                cout << "Your bank now equals " << bank - (2 * bet) << endl;
                losses++;
                gamesplayed++;
                bank = bank - 2 * bet;///We have to actually change the bank's value now don't we?
            }
        }
    } while (bank > 0);

    int stats = displaystats(gamesplayed, wins, losses, bank);

    cout << "Your stats are " << stats << endl;
    return 0;
}

int displaystats(int gamesplayed, int wins, int losses, int bank)
{
    cout << "Games Played: " << gamesplayed << endl;
    cout << "Wins: " << wins << endl;
    cout << "Losses: " << losses << endl;
    cout << "Bank Total: " << bank << endl;

    return (gamesplayed, wins, losses, bank);
}