Arrays Introduction Discussions | C++ | HackerRank Arrays Introduction in C++ - Hacker Rank Solution

Arrays  C++ Introduction HacakerRank

An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier. 

Declaration: int arr[10]; //Declares an array named arr of size 10, i.e; you can store 10 integers.

 Accessing elements of an array: Indexing in arrays starts from 0.

So the first element is stored at arr[0],the second element at arr[1]...arr[9] 

You'll be given an array of integers and you have to print the integers in the reverse order. 

Input Format The first line of the input contains ,where is the number of integers.

The next line contains integers separated by a space.

 Constraints , where is the integer in the array

. Output Format Print the integers of the array in the reverse order in a single line separated by a space. 

Sample Input 

4 1 4 3 2

 Sample Output 

2 3 4 1

#include <cmath>

#include <cstdio>

#include <vector>

#include <iostream>

#include <algorithm>

using namespace std;

int main() {

    /* Enter your code here. Read input from STDIN. Print output to STDOUT */ 

    int n,i;

    cin>>n;

    int arr[n];

   // cout<<endl;

    for(i=0;i<n;i++)

    {

        cin>>arr[i];

    }

   // cout<<endl;

    

    for (i=n-1  ; i>=0; i--)

     {

    cout<<arr[i]<<" ";

     }

    

    return 0;

}

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