reversing an arrray in c++

-

 #include <iostream>

using namespace std;
void reverse(int arr[],int size){
int start = 0;
int end = size-1;
while(start<=end){
swap(arr[start], arr[end]);
start++;
end--;
}

}

void printingarr(int arr[],int size){
for (int i = 0; i < size; i++)
{
cout<<arr[i]<<" ";
}
}

int main(){

int arr[5]={1,2,3,4,5};

reverse(arr,5);
printingarr(arr,5);

}

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