#include <iostream>
#include <math.h>

using namespace std;

template <typename T>

void applyToArray(T A[], T B[], T f(T), int N)
{   for (int i = 0; i<N; i++) B[i] = f(A[i]); }

float sq1 (float X) { return(sqrt(X) + 1); }

int add3 (int N) { return(N+3); }

int main() {
float D[3], E[3]= {1.0, 2.0, 3.0};
int F[3], G[3]={2, 3, 5};

applyToArray(E,D,sq1,3);
for (int i=0; i<3; i++) cout << D[i] << ", ";
cout << "\n";
applyToArray(G,F,add3,3);
for (int i=0; i<3; i++) cout << F[i] << ", ";
cout << "\n";
}