Day 7: Arrays-hackerrank-solutions

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

Program:

#include <iostream>
#include <algorithm>
#include <unordered_map>
using namespace std;


int main(){
    int n;
    cin >> n;
    vector<int> arr(n);
    for(int i = 0;i < n;i++){
       cin >> arr[i];
    }
       for(int i = n-1;i>=0;i--){
    cout<< arr[i]<<"\t";
       }
    return 0;
}