#include <stdio.h>
int main()
{
int y;
printf("Enter year: ");
scanf("%d",&y);
if(y % 4 == 0)
{
if( y % 100 == 0)
{
if ( y % 400 == 0)
printf("%d is a Leap Year", y);
else
printf("%d is not a Leap Year", y);
}
else
printf("%d is a Leap Year", y );
}
else
printf("%d is not a Leap Year", y);
return 0;
}
import java.util.*;
public class prac2{
public static void main(String[] args){
/* Ask user to input the from/to range
like 1 to 100, 10 to 1000 etc.
*/
System.out.println("Enter two range(input integer numbers only):");
Scanner sc=new Scanner(System.in);
int num1=sc.nextInt();
int num2=sc.nextInt();
//Store the range in variables using scanf.
//Display prime numbers for input range.
System.out.println("Prime numbers from :"+ num1+ num2);
for(int i=num1+1; i<num2; ++i)
{
int flag_var=0;
for(int j=2; j<=i/2; ++j)
{
if(i%j==0)
{
flag_var=1;
break;
}
}
if(flag_var==0)
System.out.println(i);
}
}
}
OUTPUT
Enter year: 1991
1991 is not a Leap Year