#includeusing namespace std; int main() { int arr[] = { 1, 2, 3, 4, 5 }; int size = sizeof(arr) / sizeof(arr[0]); // finding size of array cout << "Size of array: " << size << endl; // printing size of array return 0; }
#includeOutput: Size of array: 4 These functions are part of the standard C++ library and do not require any additional packages or libraries.using namespace std; int main() { double arr[] = { 3.4, 2.3, 5.6, 1.2 }; int size = sizeof(arr) / sizeof(arr[0]); // finding size of array cout << "Size of array: " << size << endl; // printing size of array return 0; }