Vector з цілими числами
#include <iostream>
using namespace std;
class IntVector {
public:
IntVector(int cElements);
~IntVector() { delete[] _iElements; }
int& operator[](int nSubscript);
private:
int*_iElements;
int _iUpperBound;
};
IntVector::IntVector(int cElements) {
_iElements = new int[cElements];
_iUpperBound = cElements;
}
int& IntVector::operator[](int nSubscript) {
static int iErr = -1;
if (nSubscript >= 0 && nSubscript < _iUpperBound)
return _iElements[nSubscript];
else {
clog << "Vyhid za mexhi masyvu" << endl;
// Вивід одразу, без використання буферу
return iErr;
}
}
int main() {
IntVector v(10);
int i;
for (i = 0; i < 10; i++)
v[i] = i;
v[3] = v[9];
for (i = 0; i < 11; i++)
cout << "Element: [" << i << "] = " << v[i] << endl;
system("pause");
return 0;
}
Element: [0] = 0
Element: [1] = 1
Element: [2] = 2
Element: [3] = 9
Element: [4] = 4
Element: [5] = 5
Element: [6] = 6
Element: [7] = 7
Element: [8] = 8
Element: [9] = 9
Vyhid za mexhi masyvu
Element: [10] = -1