HackerRank_Java_ProblemSolving/Extra_Long_Factorials.java at master · Fatihasa/HackerRank_Java_ProblemSolving

39 lines (27 loc) · 899 Bytes

problem link: https://www.hackerrank.com/challenges/extra-long-factorials/problem

import java.io.*;

import java.math.*;

import java.security.*;

import java.text.*;

import java.util.*;

import java.util.concurrent.*;

import java.util.regex.*;

public class Solution {

// Complete the extraLongFactorials function below.

static void extraLongFactorials(int n) {

BigInteger factorial = BigInteger.ONE;

for(int counter = n; counter>=2 ; counter--){

factorial = factorial.multiply(BigInteger.valueOf(counter));

}

System.out.println(factorial);

}

private static final Scanner scanner = new Scanner(System.in);

public static void main(String[] args) {

int n = scanner.nextInt();

scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

extraLongFactorials(n);

scanner.close();

}

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