[C++] HackerRank - Arrays Introduction

Arrays Introduction | HackerRank

Arrays Introduction | HackerRank

 

Goal

 

Print the N integers of the array in the reverse order, space-separated on a single line.

 

Solution

 

1. Create array with N size.

2. Save N integers into array.

3. Print reverse array with space

 

// Arrays Introduction

#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;
    
    cin >> n;
    
    int a[n];
    int tmp;
    int i = 0;
    
    while (cin >> tmp)
    {
        a[i] = tmp;
        i++;
    }
    
    for(int index = n - 1; index >=0 ; index--){
        if(index !=0){
            cout << a[index] << " ";
        }
        else{
            cout << a[index] << endl;
        }
    }
    
    
    return 0;
}