turns screen to white

whitescreen.cpp

#include <iostream>
#include <windows.h>
#include <conio.h>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
void mena(){
		HANDLE a = GetStdHandle(STD_OUTPUT_HANDLE);
int co=178;
	for(int j=0;j<5;j++){
			string s;
		 system("cls");
	//	 s+="\t\t";

		 for(int k=0;k<48;k++){
		 
s+=(char)co;
}

s+=(char)co;

s+="\n";		 
s+=(char)co;
s+="\t\t\t  \t\t\t";
s+=(char)co;

s+="\n";
		 
s+=(char)co;
	

if(j<2){
	s+="\t\t ~THE BANNER~\t\t\t";
	s+=(char)co;
s+="\n";
	s+=(char)co;

	s+="\t-by Ergin Deniz Kosecioglu (IT-eng)\t";
}

else
s+="\t  \t\t\t";
s+=(char)co;


s+="\n";		 
s+=(char)co;
s+="\t\t\t\t\t\t";		 
s+=(char)co;
s+="\n";
	 for(int k=0;k<49;k++){
		 
s+=(char)co;
}
if(j<3)
cout<<s;
else
system("cls");
co-=1;
	Sleep(300);
}

}
/////////////////////////////////////
//////////////////////////////////////
void menu(){
		HANDLE a = GetStdHandle(STD_OUTPUT_HANDLE);
		char again;
int co=178;
	for(int j=0;j<5;j++){
			string s;
		 system("cls");
	//	 s+="\t\t";

		 for(int k=0;k<48;k++){
		 
s+=(char)co;
}

s+=(char)co;

s+="\n";		 
s+=(char)co;
s+="\t\t\t  \t\t\t";
s+=(char)co;

s+="\n";
		 
s+=(char)co;
	

	s+="\t\t ~THE BANNER~\t\t\t";


s+=(char)co;

s+="\n";		 
s+=(char)co;
s+="\t\t\t\t\t\t";		 
s+=(char)co;
s+="\n";
	 for(int k=0;k<49;k++){
		 
s+=(char)co;
}
cout<<s;

}

}
//////////////////////////////////////////
////////////////////////////////////////
char againsaver(char again)
{
	if((again=='n')||(again=='N'))
	{
		return again='n';	
	} 
	else if((again=='y')||(again=='Y')) 
	{
 		return again='y';
	}
	else
	{
		cout<<"\t-Please write [y/Y] for continue, and [n/N] for exit : ";
		cin>>again;
	//	system ("CLS");
			if((again=='n')||(again=='N')) 
			{
			return again='n';
			}
			else if((again=='y')||(again=='Y')) 
			{
 				return again='y';
			}
			else
			{
				cout<<"\t -You kicked :P"; 		
				return again='n';
			}
		//	cout<<"asd";
	}
}
//////////////////////////////////////////////
/////////////////////////////////////////////
int main(int argc, char** argv) {
		HANDLE a = GetStdHandle(STD_OUTPUT_HANDLE);
		char again;
do{

menu();
getch();
mena();

 system ("pause");
 	  SetConsoleTextAttribute(a, 240);
 system("cls");
 
 cout<<"========================================================================\n"
 	    <<"|\t\t      -BANNER "<<(char) 196<<" playing with colors "<<(char) 1<<"\t\t\t|\n"
 	            <<"|\t\t\t   -CDV(C)2018 student\t\t\t\t|                               \n"
	 <<"========================================================================\n";
	
	 system ("pause");

    system("cls");
    	cout<<"\n\t-Do you wanna see it again ? [Y/N]\n";
   	again=getch();
	again=againsaver(again);
	if((again=='n')||(again=='N'))
	{
cout<<"GOOD BYE "<<(char)1;
	} 
 	  SetConsoleTextAttribute(a, 15);

}while((again=='y')||(again=='Y'));



	return 0;
}