reverse.cpp

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

using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//////////////////////////////////////////////
/////////////////////////////////////////////
//tester
int tester(int &a,bool &check){

if(cin.fail()||a<=0){
	    cin.clear();
	        cin.ignore(10, '\n');


cout<<"Choosen number is negative or not a number\n -Please write it again\n";
cout<<"please write your number again(it must be a number and it cannot be negative number):\n";
cin>>a;
if(cin.fail()||a<=0){
cout<<"Please next time try to write a number or positive number...";
return check=0;

}

}
}//tester
//////////////////////////////////////////////
/////////////////////////////////////////////
//////////////////////////////////////////
////////////////////////////////////////
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;

			if((again=='n')||(again=='N')) 
			{
			return again='n';
			}
			else if((again=='y')||(again=='Y')) 
			{
 				return again='y';
			}
			else
			{
				cout<<"\t -You kicked :P\n"; 
				system ("pause");	
				return again='n';
			}
	
	}
}
//////////////////////////////////////////////
/////////////////////////////////////////////
int main(int argc, char** argv) {

int rev=0,rem,num;
bool checker=1;
char again;
do{
	int rev=0,rem=0,num=0;

cout<<"\t - Please Write Number Which You Want to Reverse\n";
cin>>num;
tester(num,checker);
if(checker==0){
return 0;
}

while(num!=0){

rem=num%10;
rev=rev*10+rem;
num/=10;
}
cout<<"your reversed number is "<<rev<<endl;

	system ("pause");	

	    system("cls");
	    	cout<<"\n\t-Do you wanna choose it again ? [Y/N]\n";
   	again=getch();
	again=againsaver(again);
	  system("cls");

	if((again=='n')||(again=='N'))
	{
		cout<<"GOOD BYE "<<(char)1;
	} 


}while((again=='y')||(again=='Y'));
	return 0;
}