Given a number n. find the factorial of that number n.
Input Format : The first line will contain a number n whose factorial has to be found out.
Output Format : In the output you need to print an ans denoting the factorial of that number
Note :
Make sure its also satifies long range integers
Constraint : 1<=n<=15
Sample Input 1 : 5
Sample Output 1 : 120
Sample Input 2: 7
Sample Output 2: 5040
Solution of Factorial of a number in java:–
import java.util.*; import java.lang.*; import java.io.*; public class Main { public static void main (String[] args) throws java.lang.Exception { //your code here Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long sum=1; for(long i=n;i>0;i--) { sum=sum*i; } System.out.println(sum); } }
Add a Comment