Number Guessing Game in OOPS

#include<iostream>
#include<time.h>
#include<dos.h>
#include<stdlib.h>
using namespace std;

int input(){
	int n;
	cout<<"Enter a value -> ";
	cin>>n;
	return n;
	
}

int random(){
	srand(time(NULL));
	return (rand()%101);
}

int main(){
	int n,r,i,j;
	r= random();
	for(i=0;i<5;i++){
		n=input();
		if(n==r){
			cout<<" CONGRULATIONS !! "<<endl<<"\b";
			exit(0);
		}
		else if(n>r){
			cout<<"Too High"<<endl;
			cout<<"You have " << 5-(i+1)<< " tries "<<endl;
		}
		else{
			cout<<"Too low"<<endl;
			cout<<"You have " <<5- (i+1) << " tries"<<endl;
		}
	}
	cout<<"The number was \t" << r <<endl;
	return 0;
}