Reverse of an Array in C++

 #include <iostream>

#include <cstring>

using namespace std;

void reverse(char word[], int n) {

    int st = 0, end = n-1;

    while(st < end) {

        swap(word[st], word[end]);

        st++;

        end--;

    }

}

int main()

{

    char word[] = "code";

    reverse(word, strlen(word));

    

    cout << "reverse = " << word << endl;

    return 0;

}