Function Example in C++ (GREATEST NUMBER OF FOUR INTEGERS)

#include <iostream>
#include <cstdio>
using namespace std;

/*
Add `int max_of_four(int a, int b, int c, int d)` here.
*/
int max_of_four(int a, int b, int c, int d){
    int ans;
    if (a > b && a > c && a > d)
        ans = a;
    else if (b > c && b > d)
        ans = b;
    else if (c > d)
        ans = c;
    else
        ans = d;
    return ans;
    }


int main() {
    int a, b, c, d;
    scanf("%d %d %d %d", &a, &b, &c, &d);
    int ans = max_of_four(a, b, c, d);
    printf("%d", ans);
   
    return 0;
}