Array Reversal HackerRank Solution in C

 TASK

Given an array, of size , reverse it.

Example: If array, , after reversing it, the array should be, .

Input Format

The first line contains an integer, , denoting the size of the array. The next line contains  space-separated integers denoting the elements of the array.

Constraints

, where  is the  element of the array.

Sample Input 0

6
16 13 7 2 1 12 

Sample Output 0

12 1 2 7 13 16 

              PROGRAM CODE

#include <stdio.h>
#include <stdlib.h>
void reversearr(int arr[], int start,int end)
{
    while(start<end)
    {
        int temp =arr[start];
        arr[start]=arr[end];
        arr[end]= temp;
        start++;
        end--;
    }
}

int main()
{
    int n;
    scanf("%d",&n);
    int arr[n];
    for(int i=0;i<n;i++)
    {
        scanf("%d",&arr[i]);
    }
    reversearr(arr,0,n-1);
    for(int i=0;i<n;i++)
    {
        printf("%d ",arr[i]);
    }
    return 0;
}