Day 7: Arrays HackerRank Solution

Day 7: Arrays HackerRank Solution
Source : https://www.hackerrank.com/challenges/30-arrays

Objective
Today, we're learning about the Array data structure. Check out the Tutorial tab for learning materials and an instructional video!

Task
Given an array, , of integers, print 's elements in reverse order as a single line of space-separated numbers.

Input Format

The first line contains an integer, (the size of our array).
The second line contains space-separated integers describing array 's elements.

Constraints

• , where is the integer in the array.

Output Format

Print the elements of array in reverse order as a single line of space-separated numbers.

Sample Input

4
1 4 3 2

Sample Output

2 3 4 1

Source : https://www.hackerrank.com/challenges/30-arrays

Solution

	// Karthikalapati.blogspot.com
	import java.util.Scanner;
	public class Solution {
	public static void main(String[] args) {
	/* Read and save input */
	Scanner scan = new Scanner(System.in);
	int size = scan.nextInt();
	int [] array = new int[size];
	for (int i = 0; i < size; i++) {
	array[i] = scan.nextInt();
	}
	scan.close();
	/* Print elements in reverse order */
	for (int i = size - 1; i >= 0; i--) {
	System.out.print(array[i] + " ");
	}
	}
	}