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- #include <iostream>
- #include <vector>
- #include <algorithm>
- using namespace std;
- class Unikalna{
- const unsigned int id;
- static unsigned int counter;
- public:
- Unikalna(int xd) : id(xd){
- counter++;
- }
- ~Unikalna(){
- counter--;
- }
- static int ile(){
- return counter;
- }
- };
- unsigned int Unikalna::counter=0;
- int main()
- {
- Unikalna karyna(5);
- Unikalna martyna(6);
- Unikalna agnieszka(7);
- cout << Unikalna::ile()<<endl;
- return 0;
- }
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