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#include<iostream>
#include<stdexcept>
#define DIM 50
using namespace std;
class A {
public:
A(short m, short k) : len{m} {
ptr = new int[len];
srand(time(NULL));
for(int i = 0; i < len; ++i) {
ptr[i] = rand()%k + 1;
}
}
~A() {
delete ptr;
}
virtual double const f() = 0;
void print(ostream& os) {
os << typeid(*this).name() << ", ptr=[ ";
for(int i = 0; i < len; ++i)
os << ptr[i] << ' ';
os << "]";
}
int get(short i) {
if(i >= len)
throw out_of_range{"out of range"};
return ptr[i];
}
short getLen() {
return len;
}
int& operator[](int x){
return ptr[x];
}
const int& operator[](int x) const {
return ptr[x];
}
private:
int* ptr;
short len;
};
class B : public A {
public:
B(short m, short k, double y) : A{m, k}, p{y} {}
double const f() {
int sum{};
for(int i = 0; i < getLen(); ++i) {
int t = get(i);
if((t%2) == 0) {
sum+=t;
}
}
if(sum == 0)
return 0;
return static_cast<double>(sum/p);
}
void print(ostream& os) {
A::print(os);
os << ", p=" << p;
}
private:
double p;
};
class C : public A {
public:
C(short n, short k, char c) : A{n, k}, x{c} {}
double const f() {
int sum{};
short c{};
for(int i = 0; i < getLen(); ++i) {
int t = get(i);
if((t%2) == 1) {
sum+=t;
++c;
}
}
if(c == 0)
return 0;
return static_cast<double>(sum/c);
}
string const g(char c) {
string t{""};
t+=x;
t+=c;
return t;
}
void print(ostream& os) {
A::print(os);
os << ", x=" << x;
}
private:
char x;
};
ostream& operator<<(ostream& os, A& a) {
a.print(os);
return os;
}
int main() {
srand(111222333);
A *vett[DIM];
string conc{""};
for(int i=0; i<DIM; i++){
short n=1+rand()%10;
short m = 1+rand()%15;
if(rand()%2==0)
vett[i]= new B(n, m, rand()/(double) RAND_MAX+0.05);
else {
vett[i]= new C(n, m, (char) (rand()%('z' - 'a' + 1) + 'a'));
auto cpnt = dynamic_cast<C*>(vett[i]);
conc+=cpnt->g('h');
}
}
double sum{};
for(int i = 0; i < DIM; i++) {
auto fval = vett[i]->f();
cout << i << ") " << *(vett[i]) << ", f()=" << fval << endl;
sum+=fval;
}
cout << "PUNTO 2:\n\tavg(f())=" << sum/DIM << ", g('h')=" << conc << endl;
cout << "PUNTO 3:\n";
cout << (*(vett[0])).get(0) << endl;
(*(vett[0]))[0] = 24;
cout << (*(vett[0])).get(0) << endl;
return 0;
}
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