9.10 problema 2

#include <iostream>
#include <fstream>

using namespace std;

int medie(int a,int b)
{
    int m;
    m=(a+b)/2;
}

int main()
{
    int a,b,n,i,max=-9999;
    cout<<"n= ";cin>>n;
    for (i=1;i<=n;i++)
    {
    cout<<"a= ";cin>>a;
    cout<<"b= ";cin>>b;
    if (medie(a,b)>max)
    max=medie(a,b);
    }
    cout<<max;
    return 0;
}