Inserting Updating Deleting Array Elements

In This program Inserting,display ,deleting and updating elements in an array with the help of Cpp Program .

#include<iostream.h>
#include<conio.h>
int array[50],position,option_select,array_elements,first,value,loop;
/*******INSERT ELEMENTS*******/
void insert(){
	cout<<"ENTER NUMBER OF ELEMENTS IN ARRAY\n";
	cin>>array_elements;
	if(array_elements>50){
		cout<<"ELEMENTS NOT GREATER THEN 50 ";
		array_elements=0;
		insert();
	}else{
		cout<<"ENTER "<<array_elements<<" ELEMENTS\n";
		for (first = 0; first < array_elements; first++){
			cin>>array[first];
		}
	}
}
/******* END INSERT ELEMENTS*******/
/*******DISPLAY ELEMENTS*******/
void display_list(){
	cout<<"\n LIST OF ARRAY ELEMENTS \n";
	for (first = 0; first < array_elements; first++){
		cout<<"\t"<<array[first];
		if(first%5==0 && first!=0)cout<<"\n";
	}
}
/*******END DISPLAY ELEMENTS*******/
/*******UPDATE ELEMENTS*******/
void update_list(){
	cout<<"ENTER THE LOCATION WHERE YOU WISH TO INSERT AN ELEMENT\n";
	cin>>position;
	cout<<"ENTER THE VALUE TO INSERT\n";
	cin>>value;
	for (first = array_elements - 1; first > position - 1; first--)
		array[first+1] = array[first];
	array[position-1] = value;
	display_list();
}
/******* END UPDATE ELEMENTS*******/
/*******DELETE ELEMENTS*******/
void delete_element(){
	cout<<"ENTER THE LOCATAION WHERE YOU WISH TO DELETE AN ELEMENT \n";
	cin>>position;
	cout<<"\n LIST START FROM 0 \n";
	cout<<"ENTER THE VALUE THE ELEMENT \n";
	cin>>value;
	if(array[position-1]==value){
		cout<<"ELEMENT DELETE";
		array[position-1]=0;
		for(first=position-1;first<array_elements;first++){
			array[first] = array[first+1];
		}
		array_elements--;
	}else{
		cout<<"\n MISSED MATCH VALUE";
	}

}
/*******END DELETE ELEMENTS*******/
/*******EXIT*******/
void exit(){
	loop=0;
	cout<<"\n PRESS ENTER FOR EXIT";
}
/******* END EXIT ***************/
/******* OPTION SELECT ***************/
void option_selecttion(){
	cout<<"\nSELECT OPTION \n 1.INSERT ELEMENT \n 2.DISPLAY ELEMENT \n 3.UPDATE ELEMENT \n 4.DELETE ELEMENT \n 5.EXIT YOURS OPTIONS: ";
	cin>>option_select;
	switch(option_select){
		case 1: insert(); break;
		case 2: display_list(); break;
		case 3: update_list(); break;
		case 4: delete_element(); break;
		case 5: exit();  break;
		default : exit(); break;
	}
}
/******* END OPTION SELECT **********/
/******* MAIN ************/
void main(){
	int i=0;
	clrscr();
	cout<<"    WWW.AHIRLABS.COM ";
	loop=1;
	while(loop){
		option_selecttion();
		i++;
		if(i==100){
			break;
		}
	}
	getch();
}
/******* END MAIN ***********/