Find the maximum by function

// ConsoleApplication1.cpp : 定義主控台應用程式的進入點。
//

#include "stdafx.h"
#include<iostream>;
using namespace std;


int maxf(int *in,int n)
{
    int max = in[0];
    for (int i = 0; i < n; i++)
    {
        if (in[i]>max)
            max = in[i];
        cout << "number " << i + 1 << " : ";
        cout << in[i] << endl;
    }
    return max;
}

void main()
{
    int n;
    cout << "How maney number you want find:";
    while (cin >> n)
    {
        int *in = new int[n],max;
        for (int i = 0; i < n; i++)
        {
            cout << "number " << i + 1 << " : ";
            cin >> in[i];
        }
        cout << '\n';
        cout << "the maximum is " << maxf(in,n) << endl;

    }
}