Tic tac toe program.....help needed

i am tryin to make a c++ program to play tic tac toe.........there are some errors hope u guys can help me out.........

#include<iostream.h>
#include<conio.h>
#include<stdlib.h>

char matrix[3][3];
void cou(void);
int main()
{
	int m,n;
	char ch='y';
	while(ch=='Y'||ch=='y')
	{
		for(m=0;m<3;m++)
		{
			for(n=0;n<3;n++)
			{
				matrix[m][n]='\0';
				int i,j,sum=0;
				while(sum<10)
				{
					if(sum==0)
					{
						cou();
						cout<<"Player 1 is 'X': choose row and column"<<endl;
						cout<<"Row:";
						cin>>i;
						cout<<"column :";
						cin>>j;
						for(i>3||i<1||j>3||j<1||'X'==matrix[i-1][j-1]||'O'++matrix[i-1][j-1])
						{
							cout<<"\n Sorry !!! but you gotta choose another place \t";
							cout<<"row:";
							cin>>i;
							cout<<"column:";
							cin>>j;
							matrix[i-1][j-1]='X';
							sum++;
							cou();
							if(matrix[0][0]=='X'&&matrix[0][0]==matrix[1][1]&&matrix[1][1]==matrix[2][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if{matrix[2][0]=='X'&&matrix[2][0]==matrix[1][1]&&matrix[1][1]==matrix[0][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[0][0]=='X'&&matrix[0][0]==matrix[1][0]&&matrix[1][0]==matrix[2][0])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[0][1]=='X'&&matrix[0][1]==matrix[1][1]&&matrix[1][1]==matrix[2][1])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if{matrix[0][2]=='X'&&matrix[0][2]==matrix[1][2]&&matrix[1][2]==matrix[2][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[0][0]=='X'&&matrix[0][0]==matrix[0][1]==matrix[0][1]==matrix[0][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[1][0]=='X'&&matrix[1][0]==matrix[1][1]&&matrix[1][1]==matrix[1][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[2][0]=='X'&&matrix[2][0]==matrix[2][1]&&matrix[2][1]==matrix[2][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
						}
							if(sum==9)
							(
								cout<<"\n The game is over and noone wins  hahahaha you both stink \t";
								break;
							}
							cout<<"\n Player 2 is 'O':choose row and column \t";
							cout<<"\n Row \t";
							cin>>i;
							cout<<"\n Column : \t";
							cin>>j;
							for(;i>3||i<1||j>3||j<1||'X'==matrix[i-1][j-1]||'O'++matrix[i-1][j-1];)
						{
							cout<<"\n Sorry !!! but you gotta choose another place \t";
							cout<<"row:";
							cin>>i;
							cout<<"column:";
							cin>>j;
							matrix[i-1][j-1]='O';
							sum++;
							cou();
							if(matrix[0][0]=='O'&&matrix[0][0]==matrix[1][1]&&matrix[1][1]==matrix[2][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if{matrix[2][0]=='O'&&matrix[2][0]==matrix[1][1]&&matrix[1][1]==matrix[0][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[0][0]=='O'&&matrix[0][0]==matrix[1][0]&&matrix[1][0]==matrix[2][0])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[0][1]=='O'&&matrix[0][1]==matrix[1][1]&&matrix[1][1]==matrix[2][1])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if{matrix[0][2]=='O'&&matrix[0][2]==matrix[1][2]&&matrix[1][2]==matrix[2][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[0][0]=='O'&&matrix[0][0]==matrix[0][1]==matrix[0][1]==matrix[0][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[1][0]=='O'&&matrix[1][0]==matrix[1][1]&&matrix[1][1]==matrix[1][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							if(matrix[2][0]=='O'&&matrix[2][0]==matrix[2][1]&&matrix[2][1]==matrix[2][2])
							{
								cout<<"\n Player one wins \t";
								break;
							}
							cout<<"\n Would you like to play again??(y/n)\n":
							cin>>ch;
						}
						system("PAUSE");
						return 0;
					}
					void cou(void)
					{
						cout"\n\t\t              123\n"<<endl;
						cout<<"\t\t  1"<<matrix[0][0]<<"|"<<matrix[0][1]<<"|"<<matrix[0][2]<<endl;
						cout<<"\t\t           ---|---|---\n";
						cout<<"\t\t  2"<<matrix[1][0]<<"|"<<matrix[1][1]<<"|"<<matrix[1][2]<<endl;
						cout<<"\t\t           ---|---|---\n";
						cout<<"\t\t  2"<<matrix[2][0]<<"|"<<matrix[2][1]<<"|"<<matrix[2][2]<<"\n\n\n";
					}