Mencari Bilangan Tertinggi dengan Fungsi C++

#include < iostream.h>

int maks(int a,int b,int c);

void main()
{
 int a,b,c;
 int max;

 cout<<"a = "; cin >> a;
 cout<<"b = "; cin >> b;
 cout<<"c = "; cin >> c;
 max = maks(a,b,c);

 cout<
 cout<<"Maksimal adalah = " << max;

}

int maks(int a,int b,int c)
{
int max;

max = a;
if(max < b)
{
max = b;
if(max < c)
{
 max = c;
}
}
else if(max < c)
{
max = c;
}
else
{
max = a;
}
return max;

}