vector len c++ code example
Example 1: vector length c++
#include <vector>
int main () {
std::vector<int> v;
auto size = v.size();
}
Example 2: vector keyword in c++
template < class T, class Alloc = allocator<T> > class vector;
#include <vector>
int main () {
std::vector<int> v;
auto size = v.size();
}
template < class T, class Alloc = allocator<T> > class vector;