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tictactoe.cpp
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tictactoe.cpp
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#include<iostream>
#include<ctime>
using namespace std;
void drawBoard(char *spaces);
void playerMove(char *spaces, char player);
void computerMove(char *spaces, char computer);
bool checkWinner(char *spaces, char player, char computer);
bool checkTie(char *spaces);
int main()
{
char spaces[9]={' ',' ',' ',' ',' ',' ',' ',' ',' '};
char computer='X';
char player='O';
bool running = true;
drawBoard(spaces);
while(running)
{
playerMove(spaces, player);
drawBoard(spaces);
if(checkWinner(spaces, player, computer))
{
running=false;
break;
}
else if(checkTie(spaces))
{
running=false;
break;
}
computerMove(spaces, computer);
drawBoard(spaces);
if(checkWinner(spaces, player, computer))
{
running=false;
break;
}
else if(checkTie(spaces))
{
running=false;
break;
}
}
cout<<"Thanks for playing!\n";
return 0;
}
void drawBoard(char spaces[])
{
cout<<"\n";
cout<<" | | "<<"\n";
cout<<" " <<spaces[0]<<" | " <<spaces[1]<<" | " <<spaces[2]<<" "<<"\n";
cout<<"______|_______|______"<<"\n";
cout<<" | | "<<"\n";
cout<<" " <<spaces[3]<<" | " <<spaces[4]<<" | " <<spaces[5]<<" "<<"\n";
cout<<"______|_______|______"<<"\n";
cout<<" | | "<<"\n";
cout<<" " <<spaces[6]<<" | " <<spaces[7]<<" | " <<spaces[8]<<" "<<"\n";
cout<<" | | "<<"\n";
cout<<"\n";
}
void playerMove(char *spaces, char player)
{
int number;
do
{
cout<<"Enter a spot to place a marker (1-9): ";
cin>> number;
number--;
if(spaces[number] == ' ')
{
spaces[number]=player;
break;
}
}while(!number > 0 || !number < 8);
}
void computerMove(char *spaces, char computer)
{
int number;
srand(time(NULL));
do
{
number=(rand()%9)+1;
number--;
if(spaces[number]== ' ')
{
spaces[number]=computer;
break;
}
}while(!number > 0 || !number < 8);
}
bool checkWinner(char *spaces, char player, char computer)
{
if(spaces[0]!= ' ' && spaces[0]==spaces[1]&&spaces[1]==spaces[2])
{
spaces[0] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else if(spaces[3]!= ' ' && spaces[3]==spaces[4]&&spaces[5]==spaces[4])
{
spaces[3] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else if(spaces[6]!= ' ' && spaces[6]==spaces[7]&&spaces[8]==spaces[7])
{
spaces[6] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else if(spaces[0]!= ' ' && spaces[0]==spaces[3]&&spaces[3]==spaces[6])
{
spaces[0] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else if(spaces[1]!= ' ' && spaces[1]==spaces[4]&&spaces[4]==spaces[7])
{
spaces[1] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else if(spaces[2]!= ' ' && spaces[2]==spaces[5]&&spaces[5]==spaces[8])
{
spaces[2] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else if(spaces[0]!= ' ' && spaces[0]==spaces[4]&&spaces[4]==spaces[8])
{
spaces[0] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else if(spaces[2]!= ' ' && spaces[2]==spaces[4]&&spaces[4]==spaces[6])
{
spaces[2] == player ? cout<<"You Won!\n" : cout<<"You Lost!\n";
}
else
{
return false;
}
return true;
}
bool checkTie(char *spaces)
{
for(int i=0;i<9;i++)
{
if(spaces[i]==' ')
{
return false;
}
}
cout<<"Its a tie!\n";
return true;
}