A C Program to learn the use of long integer and double datatype.

#include<stdio.h>

#include<conio.h>

void main()

{

long int p1;

double p2;

printf("Enter value of p1:");

scanf("%ld"&p1);

printf("Enter value of p2:");

scanf("%Ld",&p2);

printf("Population p1=%ld",p1);

printf("Population p2=%Ld",p2);

getch();

}