Java Loops I – HackerRank Solution

Java Loops I – HackerRank Solution

Problem :

Objective :

In this challenge, we’re going to use loops to help us do some simple math.

Task :

Given an integer, N, print its first 10 multiples. Each multiple N * i (where 1 <= i <= 10) should be printed on a new line in the form: N x i = result.

Input Format :

A single integer, N.

Constraints :

  • 2 <= N <= 20

Output Format :

Print 10 lines of output; each line i (where 1 <= i <= 10) contains the result of N * i in the form:

N x i = result.

Sample Input :

2

Sample Output :

2 x 1 = 2
2 x 2 = 4
2 x 3 = 6
2 x 4 = 8
2 x 5 = 10
2 x 6 = 12
2 x 7 = 14
2 x 8 = 16
2 x 9 = 18
2 x 10 = 20

Solution :

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 {



    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])?");

        scanner.close();

        for (int i=1;i<=10;i++)
        {
            int a = N * i;
            System.out.print(N +" x "+i +" = ");
            System.out.println(a);
        }
    }
}

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