Question

can someone solve this program using c++ (visual studio)?

You have a grid of 4x4 cells which is filled by numbers from 1 to 8. Each number appears twice in the grid. The purpose of the Memory Game is to find the matching numbers. To start the game, Player 1 chooses two cells to uncover the numbers behind them. If the numbers match, player 1 gets to go on and uncover two more numbers. If the numbers don't match, player 2 then gets a turn. Keep track of how may matches each player gets. The player with the most matches at the end of the game wins. Your program should have the following features: The computer should fill the grid randomly with numbers from 1 to 8. Make sure each number appears exactly twice. . Although you have filled your grid with numbers, you should not reveal them to the players. This is why stars are displayed in place of uncovered numbers. The grid is displayed as shown below at the beginning of the game. 0 1 ** 2 ** 3 ** 0 ** 2 ** ** ** ** - To pick a cell, the player must provide the row and the column number. When the player has finished picking the cells, you must show the content of these cells and decide if there is a match or not. - Make sure that the user choose an uncovered cell, also make sure he/she does not choose the same cell twice in a move. - You should display the score after each move. - After displaying the score, display "Press any key to go to next move". When the key is pressed you should re-display the grid and hide the numbers that have not been matched. - You should print the winner. - You should provide a play again feature. - Use Functions. Hint: Use the following statement to clear the screen at each step: system("cls"); -Use an extra array to keep track of

Answer 1

#include <iostream>
#include <cstdlib>

using namespace std;
int p1=0,p2=0,count=0;
int turn=0;
void disp(int cards[4][4])
{
   //display board
cout<<" 1 2 3 4\n";
cout<<" ";
for (int i=0; i<=8; i++)
{
cout<<"-";
}
cout<<endl;
for (int r=0; r<4; r++)
{
cout<<r+1<<" | ";
for (int c=0; c<4; c++)
{
cout<<"* ";
}
cout<<"\n";
}
}

void reveal(int cards[4][4],int r1,int c1,int r2, int c2)
{
   //reveal
cout<<" 1 2 3 4\n";
cout<<" ";
for (int i=0; i<=8; i++)
{
cout<<"-";
}
cout<<endl;
for (int r=0; r<4; r++)
{
cout<<r+1<<" | ";
for (int c=0; c<4; c++)
{
if ((r==r1)&&(c==c1))
{
cout<<cards[r][c]<<" ";
}
else if((r==r2)&&(c==c2))
{
cout<<cards[r][c]<<" ";
}
else
{
cout<<"* ";
}
   }
   cout<<"\n";
   }
  
  
}

void game(int cards[4][4],int n)
{
   char comma,any;
   int r1, c1, r2, c2;
   turn=n;
   cout<<"Press any character to continue\n";
   cin>>any;
   system("cls");
   disp(cards);
  
   //selection
     
   while(true){
   if(turn==1)
   cout<<"Player 1 turn\n";
   else if(turn==2)
   cout<<"Player 2 turn\n";
   cout<<"Please insert the first card row and column seperated by a comma.\n";
cin>>r1>>comma>>c1;
cout<<"Please insert the second card row and column seperated by a comma.\n";
cin>>r2>>comma>>c2;
  
   //checking
if(cards[r1-1][c1-1]==0 || cards[r2-1][c2-1]==0)
cout<<"Card already checked. Enter new position\n";
else if(r1>4 || c1>4 || r2>4 || c2>4)
cout<<"Position out of range. Enter again \n";
else if(r1==r2 && c1==c2)
cout<<"Same position enter again\n";
else{
       //fix
   r1--;
   c1--;
   r2--;
   c2--;
   break;
   }
   }
   reveal(cards,r1,c1,r2,c2);
  
   if(cards[r1][c1]==cards[r2][c2])
   {
       cout<<"There is a match \n";
       cards[r1][c1]=0;
       cards[r2][c2]=0;
       count++;
       if(count==8)
       {
           if(p1>p2)
           {
               cout<<"Player 1 wins. Score "<<p1<<"\n";
               exit(0);
           }
           else if(p2>p1)
           {
               cout<<"Player 2 wins. Score "<<p2<<"\n";
               exit(0);
           }
           else if(p1==p2)
           {
               cout<<"Its a tie!!!\n";
               exit(0);
           }
       }
       if(turn==1)
       {
           p1++;
           cout<<"Player 1 Score: "<<p1<<"\n";
           cout<<"Player 2 Score: "<<p2<<"\n";
           game(cards,1);
          
       }
       else if(turn==2)
       {
           p2++;
           cout<<"Player 1 Score: "<<p1<<"\n";
           cout<<"Player 2 Score: "<<p2<<"\n";
           game(cards,2);
          
       }
      
      
   }
   else
   {
       cout<"No match. Changing Player";
       if(turn==1)
       game(cards,2);
       else if(turn==2)
       game(cards,1);
   }
  
  
  
  
}
int gen(int a[8])
{
   int k;
   while(true)
   {
       k=rand()%8;
       if(k<8 && a[k]!=2 )
       {
           a[k]++;
           return k+1;
       }
   }
}
int main()
{
  
int cards[4][4];
int a[]={0,0,0,0,0,0,0,0};
//fill board
for (int r=0; r<4; r++)
{
for (int c=0; c<4; c++)
{
  
           cards[r][c]=gen(a);
cout<<cards[r][c];
}
cout<<endl;
}
  
    game(cards,1);
  
   return 0;
   }