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Subiecte Carte Poo

subiecte poo

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Apostol Florin
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16 views4 pages

Subiecte Carte Poo

subiecte poo

Uploaded by

Apostol Florin
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Ex 1.

#include <iostream>
template <unsigned N>
class A {
public:
int m_n;
A(int n) : m_n(n) { if ( 0 ==n) { throw " Examen "; }}
~ A() { std :: cout << m_n; }
};

int main() {
try { A a(1) ; A b(3); A c(2);} catch ( . . . ) { std :: cout << 3; }
return 0;
}
Rezultatul afișat pe ecran în urma executării programului va fi "231".
Ex. 2
#include <iostream>
template <unsigned N>
class A{
public: A(){std::cout << N;}
private: A<N-1> m_a;
};
template<> class A<0>{
public: A() {std::cout << 'A'; }
};
int main() {A<4>(); return 0;}
Rezultatul afișat pe ecran în urma executării programului va fi: A1234
Ex. 3
#include <iostream>

class A {
public:
A(int n = 2) : m_i(n) {}
~A() { std::cout << m_i; }

protected: int m_i;


};

class B : public A {
public: B(int n) : A(n), m_x(m_i + 1), m_a(n) {}

public : ~B() { std::cout << m_i; --m_i; }

private: A m_x; A m_a;


};

int main() { B b(5); return 0; } * SE AFISEAZA 5564


4.
#include <iostream>
class A {
public:
A(int n = 0) : m_i(n) { std::cout << m_i; }
protected:
int m_i;
};
class B : public A {
public:
B(int n) : m_j(n), m_a(--m_j), m_b() { std::cout << m_j; }
private:
int m_j;
A m_a;
A m_b;

static A m_c;
};

A B::m_c(3);
int main() {
B b(2);
return 0;
}

Se afiseaza : 30101
5.
#include <iostream>

class A {
public: A(int n = 0) : m_i(n) { std::cout << m_i; ++m_i; }
protected:
int m_i;
};

class B : public A {
public:
B(int n) : m_a(new A[2]), m_x(++m_i) { std::cout << m_i; }
~B() { delete[] m_a; }
private:
A m_x;
A* m_a;
};

int main() {
B b;
return 0;
} SE AFISEAZA 0112
6.

#include <iostream>

class A {
public:
A(int n) : m_n(n) { std::cout << m_n; }
~A() { std::cout << m_n; }

private:
int m_n;
};

int f(int n) {
if (1==n) {
throw 0;
}
A 1(n) ;
return f n * (n - 1)/(n-1);
}

int main() {
try {
int r = f(3);
A a(r);
} catch (int e) {
std::cout << e << std::endl;
}
return 0;
}

* se afișează "32230"

7.

#include <iostream>
class A {
public:
virtual ~A() {f () ; }
public:
virtual void f() const { std::cout << "1"; }
};

class B : public A {
public:
~ B () { f() ; }
private:
virtual void f () const { std::cout << 2; }
};

int main() {
A* a = new B;
delete a;
std::cout << std::endl;

return 0; } * SE AFISEAZA 21
8.
#include <iostream>

class A {
public:
A(int n) {
if (n == 0) {
throw "Examen";
}
}
};

int main() {
A *p0 = 0, *p1 = 0, *p2 = 0;

try {
p1 = new A(1);
p0 = new A(0);
p2 = new A(2);
} catch (...) {std::cout << 3;}
std::cout << ((0 != p1) ? 1:0);
std::cout << ((0 != p0) ? 1:0);
std::cout << ((0 != p2) ? 1:0) << std::endl;

delete p1;
delete p0;
delete p2;

return 0;
} SE AFISEAZA 3100

9.

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