// max entre deux entiers
int max(int a, int b) {
   if (a > b) 
     return a;
   else 
     return b;
}


double max(double a, double b) {
   if (a > b) 
     return a;
   else 
     return b;
}


template<class T>
T max(T a, T b) {
   if (a > b) 
     return a;
   else 
     return b;
}


template<class T>
T min(T a, T b) {
   if (a < b) 
     return a;
   else 
     return b;
}


double x;
double y;
int i,j;

k = max<int>(i,j)
z = max<double>(x,y)
e = max<Student>(u,v)