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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. class klasa{
  7.     public:
  8.         static unsigned int total;
  9.         int ilosc;
  10.         klasa(int n) : ilosc(n) {total += ilosc;};
  11.         klasa(const klasa &drugi) {total += drugi.ilosc; this->ilosc = drugi.ilosc; };
  12.         ~klasa() { total -= ilosc;};
  13. };
  14.  
  15. unsigned int klasa::total = 0;
  16.  
  17. int main()
  18. {
  19.     vector<klasa> vec;
  20.  
  21.     int suma = 0;
  22.     for(int i = 100; i <= 500; i+=100)
  23.     {
  24.     	suma += i;
  25.     	klasa temp(i);
  26.     	vec.push_back(temp);
  27.     }
  28.  
  29.     cout << "Suma wrzuconych elementow: " << suma << " Rozmiar vectora: " << vec.size() << endl;
  30.     for (const auto& x : vec)
  31.     	std::cout << x.ilosc << "\n";
  32.  
  33.     vec.erase(vec.begin(), vec.begin()+2);
  34.  
  35.     for (const auto& x : vec)
  36.     	std::cout << x.ilosc << "\n";
  37.  
  38.     cout << "vec.size() = " << vec.size() << endl;
  39.     cout << "klasa::total = " << klasa::total << endl;
  40. 	return 0;
  41. }
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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Suma wrzuconych elementow: 1500 Rozmiar vectora: 5
100
200
300
400
500
300
400
500
vec.size() = 3
klasa::total = 600
https://ideone.com/ow05xR
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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