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, A, of N integers, print A’s elements in reverse order as a single line of space-separated numbers.
Input Format
The first line contains an integer, N(the size of our array).
The second line contains N space-separated integers describing array A’s elements.
Constraints
- 1 <= N <= 1000
- 1 <- Ai <= 10000, where Ai is the ith integer in the array.
Output Format
Print the elements of array A in reverse order as a single line of space-separated numbers.
Sample Input
4
1 4 3 2
Sample Output
2 3 4 1
Ruby Implementation
#!/bin/ruby
n = gets.strip.to_i
arr = gets.strip
arr = arr.split(' ').map(&:to_i)
count = arr.size
op = ""
until (count == 0)
count -= 1
op += arr[count].to_s + " "
end
puts op