HackerRank C Solution - Array Reversal

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.

Output Format

The output is handled by the code given in the editor, which would print the array.

Sample Input 0

6
16 13 7 2 1 12 

Sample Output 0

12 1 2 7 13 16 

Explanation 0

Given array,  = . After reversing the array,  = 

Sample Input 1

7
1 13 15 20 12 13 2 

Sample Output 1

2 13 12 20 15 13 1 

Sample Input 2

8
15 5 16 15 17 11 5 11 

Sample Output 2

11 5 11 17 15 16 5 15 

#include <stdio.h>
	#include <stdlib.h>
	int main()
	{
	int num, *arr, i;
	scanf("%d", &num);
	arr = (int*) malloc(num * sizeof(int));
	for(i = 0; i < num; i++) {
	scanf("%d", arr + i);
	}
	for(int i = 0, j = num-1; i <= j; i++, j --) {
	int t = arr[i];
	arr[i] = arr [j];
	arr[j] = t;
	}
	for(i = 0; i < num; i++)
	printf("%d ", *(arr + i));
	return 0;
	}