Cube Game

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

int main()
{
    int choice;
    int loop;
    int remaining;
    int take_Amount;
    int randomized_Amount;
    int count;
    string firstplayer_Name;
    string secondplayer_Name;
    string play_Again;
    //ensures program repeats
    loop = 1;
    while(loop == 1){

        //What would you like to do
        cout<<"Cube game"<<endl;
        cout<<"1) PLayer vs Player "<<endl;
        cout<<"2) Player vs Computer"<<endl;
        cout<<"3) Rules of Game"<<endl;

        //choose where to go
        cout<<"Enter the number 1, 2, or 3: ";
        cin>>choice;

        //Code run for player v player
        if(choice==1){

            count = 1;

            remaining = 21;

            //Asks players for names
            cout<<"Enter user 1 name: ";
            getline(cin, firstplayer_Name);
            getline(cin, firstplayer_Name);


            cout<<"Enter user 2 name: ";
            getline(cin, secondplayer_Name);



            cout<<"Number of cubes = "<< remaining <<endl;

            //It is decided randomly who get sto go first
            randomized_Amount = (rand() % 4) + 1;

            //Player 1 goes first
            if(randomized_Amount== 1 or randomized_Amount == 3){

                //loop
                while(count == 1){
                    //User 1 inputs number of cubes to take out
                    //Loop ends when valid input is entered
                    do{
                        cout<< firstplayer_Name <<" enter number of cubes you want to take out from 1-3: ";
                        cin>>take_Amount;
                        if(take_Amount < 1 or take_Amount > 3 ){
                            cout<<"Invalid input since it is not inbetween 1-3."<<endl;
                        }
                    }while(take_Amount < 1 or take_Amount > 3 );

                    //Subtracts number of cubes by the number of cubes taken out
                    remaining -=take_Amount;
                    cout<<take_Amount<<endl;

                    //If number of cubes is 1 then player 1 wins
                    if(remaining == 1){
                        cout<< firstplayer_Name <<" wins"<<endl;
                        break;
                    }

                    //If number of cubes is 0 or less than 0 then player 2 wins
                    if(remaining <= 0){
                        cout<< secondplayer_Name <<" wins"<<endl;
                        break;
                    }

                    //Player 2 inputs number of cubes to take out
                    //Loop ends when valid input is entered
                    do{
                        cout<< secondplayer_Name <<" enter number of cubes you want to take out from 1-3: ";
                        cin>> take_Amount;
                        if(take_Amount < 1 or take_Amount > 3 ){
                            cout<<"Invalid input since it is not inbetween 1-3."<<endl;
                        }
                    }while(take_Amount < 1 or take_Amount > 3 );

                    remaining -= take_Amount;
                    cout<< remaining <<endl;

                    //If number of cubes is 1 then user 2 wins
                    if(remaining == 1){
                        cout<< secondplayer_Name <<" wins"<<endl;
                        break;
                    }

                    //If number of cubes is 0 or less than 0 then player 1 wins
                    if(remaining <= 0){
                        cout<< firstplayer_Name <<" wins"<<endl;
                        break;
                    }

                }

                //Gives option of playing another round
                //Loop ends when vaid input is entered
                do{
                    cout<<"Do you want to play another round (yes or no): ";
                    cin>> play_Again;
                    if( play_Again != "yes" and play_Again != "Yes" and play_Again!= "No" and play_Again != "no"){
                        cout<<"Invalid input since you did not enter yes or no";
                    }
                }while(play_Again!= "yes" and play_Again != "Yes" and play_Again != "No" and play_Again != "no");

                //Goes back to start of loop if yes
                if(play_Again == "yes" or play_Again == "Yes"){
                    continue;
                }

                //If yes the while loop at program keeps going so programs starts from top
                //If no, loop variable is set to 2 which ends while loop
                if(play_Again == "no" or play_Again == "No"){
                    loop++;
                }
            }

            //Code for if random_start = 2 or 4
            //User 2 goes first
            if(randomized_Amount == 2 or randomized_Amount == 4){

                while(count == 1){

                    //User 2 inputs number of cubes to take out
                    //Loop ends when valid input is entered
                    do{
                        cout<< secondplayer_Name <<" enter number of cubes you want to take out from 1-3: ";
                        cin>>take_Amount;
                        if(take_Amount < 1 or take_Amount> 3 ){
                            cout<<"Invalid input since it is not inbetween 1-3."<<endl;
                        }
                    }while(take_Amount< 1 or take_Amount > 3 );

                    remaining -= take_Amount;
                    cout<<remaining<<endl;

                    //If number of cubes is 1 then player 2 wins
                    if( remaining == 1){
                        cout<< secondplayer_Name <<" wins"<<endl;
                        break;
                    }

                    //If number of cubes is 0 or less than 0 then user 1 wins
                    if( remaining <= 0){
                        cout<< firstplayer_Name <<" wins"<<endl;
                        break;
                    }

                    //User 1 inputs number of cubes to take out
                    //Loop ends when valid input is entered
                    do{
                        cout<< firstplayer_Name <<" enter number of cubes you want to take out(1-3): ";
                        cin>> take_Amount;
                        if( take_Amount < 1 or take_Amount > 3 ){
                            cout<<"Invalid input since it is not inbetween 1-3."<<endl;
                        }
                    }while(take_Amount < 1 or take_Amount > 3 );

                    remaining -= take_Amount;
                    cout<<remaining<<endl;

                    //If number of cubes is 1 then player 1 wins
                    if(remaining == 1){
                        cout<< firstplayer_Name <<" wins"<<endl;
                        break;
                    }

                    //If number of cubes is 0 or less than 0 then player 2 wins
                    if( remaining <= 0){
                        cout<< secondplayer_Name <<" wins"<<endl;
                        break;
                    }

                }

                do{
                    cout<<"Do you want to play another round (yes or no): ";
                    cin>>play_Again;
                    if(play_Again!= "yes" and play_Again != "Yes" and play_Again != "No" and play_Again != "no"){
                        cout<<"Invalid input since you did not enter yes or no";
                    }
                }while(play_Again!= "yes" and play_Again != "Yes" and play_Again != "No" and play_Again != "no");

                if(play_Again == "yes" or play_Again == "Yes"){
                    continue;
                }

                if(play_Again == "no" or play_Again == "No"){
                    loop++;
                }

            }
        }




        //Code run for player v computer
        if(choice==2){
            count = 1;
            remaining = 21;
            cout<<"Enter player 1 name: ";
            getline(cin, firstplayer_Name);//The first get line command doesnt work so this is important
            getline(cin, firstplayer_Name);


            cout<<"Number of cubes = "<<remaining<<endl;

            randomized_Amount = (rand() % 4) + 1;;

            //Code for if random start = 1 or 3
            //Player 1 goes first
            if(randomized_Amount == 1 or randomized_Amount == 3){

                while(count == 1){

                    //Loop ends when valid input is entered
                    do{
                        cout<<firstplayer_Name<<" enter number of cubes you want to take out(1-3): ";
                        cin>>take_Amount;
                        if(take_Amount< 1 or take_Amount > 3 ){
                            cout<<"Invalid input since it is not inbetween 1-3."<<endl;
                        }
                    }while(take_Amount < 1 or take_Amount > 3 );

                    remaining -= take_Amount;
                    cout<<remaining<<endl;

                    if(remaining == 1){
                        cout<<firstplayer_Name<<" wins"<<endl;
                        break;
                    }

                    //If number of cubes is 0 or less than 0 then computer wins
                    if(remaining <= 0){
                        cout<<"Computer wins"<<endl;
                        break;
                    }

                    //Code for computer
                    //Computer takes out the certain amount cubes so that the two turns equals 4
                    take_Amount = 4 - take_Amount;
                    remaining -= take_Amount;
                    cout<<"Computer takes out "<< take_Amount <<" cubes."<<endl;
                    cout<< remaining <<endl;

                    //If number of cubes is 1 then computer wins
                    if(remaining == 1){
                        cout<<"Computer wins"<<endl;
                        break;
                    }

                    //If number of cubes is 0 or less than 0 then user 1 wins
                    if(remaining <= 0){
                        cout<<firstplayer_Name<<" wins"<<endl;
                        break;
                    }

                }

                do{
                    cout<<"Do you want to play another round(yes or no): ";
                        cin>> play_Again ;
                        if(play_Again!= "yes" and play_Again != "Yes" and play_Again != "No" and play_Again != "no"){
                            cout<<"Invalid input since you did not enter yes or no";
                        }
                    }while(play_Again!= "yes" and play_Again != "Yes" and play_Again != "No" and play_Again != "no");

                    if(play_Again == "yes" or play_Again == "Yes"){
                        continue;
                    }

                    if(play_Again == "no" or play_Again == "No"){
                        loop++;
                    }
            }



            //Code for if random start = 2 or 4
            //Computer goes first
            if(randomized_Amount == 2 or randomized_Amount == 4){

                while(count == 1){

                    //Number of sticks is over 4 then computer takes out a random number between 1 and 3
                    if(remaining>4){
                        take_Amount = (rand() % 3) + 1;
                    }

                    //Number of sticks is equal to 4 then it takes out 3
                    if(remaining==4){
                        take_Amount=3;
                    }

                    if(remaining ==3){
                        take_Amount=2;
                    }

                    //Number of sticks is equal to 2 then it takes out 1
                    if(remaining ==2){
                        take_Amount =1;
                    }

                    remaining -=take_Amount;
                    cout<<"Computer takes out "<<take_Amount<<" cubes"<<endl;
                    cout<< remaining <<endl;

                    //If number of sticks is 1 then computer wins
                    if(remaining == 1){
                        cout<<"Computer wins"<<endl;
                        count = 2;
                        break;
                    }

                    //If number of sticks is 0 or less than 0 then Player 1 wins
                    if(remaining <= 0){
                        cout<< firstplayer_Name <<" wins"<<endl;
                        count = 2;
                        break;
                    }

                    //User 1 inputs number of sticks to take out
                    //Loop ends when valid input is entered
                    do{
                        cout<< firstplayer_Name <<" enter number of cubes you want to take out(1-3): ";
                        cin>>take_Amount;
                        if(take_Amount < 1 or take_Amount > 3 ){
                            cout<<"Invalid input since it is not inbetween 1-3."<<endl;
                        }
                    }while( take_Amount < 1 or take_Amount > 3 );

                    remaining -= take_Amount;
                    cout<< remaining <<endl;

                    //If number of cubes is 1 then user 1 wins
                    if(remaining == 1){
                        cout<< firstplayer_Name <<" wins"<<endl;
                        count = 2;
                        break;
                    }

                    //If number of cubes is 0 or less than 0 then computer wins
                    if( remaining <= 0){
                        cout<<"Computer wins"<<endl;
                        count = 2;
                        break;
                    }

                }

                do{
                    cout<<"Do you want to play another round(yes or no): ";
                        cin>> play_Again;
                        if(play_Again!= "yes" and play_Again != "Yes" and play_Again != "No" and play_Again != "no"){
                            cout<<"Invalid input since you did not enter yes or no";
                        }
                    }while(play_Again!= "yes" and play_Again != "Yes" and play_Again != "No" and play_Again != "no");

                    if(play_Again == "yes" or play_Again == "Yes"){
                        continue;
                    }

                    if(play_Again == "no" or play_Again == "No"){
                        loop++;
                    }
            }

        }

        //Code for rules of game
        if(choice==3){
            cout<<"Rules of 21 cubes"<<endl;
            cout<<"User must take out between 1-3 sticks from the total."<<endl;
            cout<<"Last person to take out cubes loses the game. "<<endl;
        }

        else{
            cout<<"Invalid input since you did not enter 1, 2, or 3. "<<endl;
        }

    }
}