text: #include <bits/stdc++.h>
  using namespace std;
  
  int main(){
  	int arr[] = {2,32,44,2,4,1,3,21,55,43,24};
  	vector<int> v1;
  	cout << v1.size() << "\n";
  	
  	vector<int> v2(5);
  	cout << v2.size() << "\n";
  
  	vector<int> v3(6,-1);
  	cout << v3.size() << "\n";
  
  	vector<int> v4 {1,2,3,4,5,4,3,2,2,2};
  	cout << v4.size() << "\n";
  
  	vector<int> v5 {arr, arr+9}; //{start, end}
  	cout << v5.size() << "\n";
  	for(int elementv2 : v2)
  		cout << elementv2 << " ";
  }