Find Max Number using Genetic Search

#include<iostream>

using namespace std;

template <class Data>
Data Max(Data *x, int n){
    int i;
    Data max;
    max = x[0];
    for(i = 0; i < n; i++){
        if(x[i] > max){
            max = x[i];
        }
    }
    return max;
}

int main(){
    int age[5] = {5, 9 , 4, 7, 3};
    double cgpa[5] = {3.5, 1.9, 2.9, 3.9, 2.5};
    int ans;
    ans = Max(age, 5);
    cout << ans << endl;
    return 0;
}