#includeusing namespace std; int main() { deque dq = {1, 2, 3, 4, 5}; cout << "Size of deque dq is: " << dq.size() << endl; return 0; }
Size of deque dq is: 5
#includeusing namespace std; int main() { deque dq = {"Apple", "Mango", "Banana"}; cout << "Size of deque dq is: " << dq.size() << endl; dq.pop_front(); // Removes "Apple" from the front cout << "New size of deque dq is: " << dq.size() << endl; return 0; }
Size of deque dq is: 3 New size of deque dq is: 2The deque library is a part of the C++ Standard Template Library (STL).