d62_q2a_iterator_check.cpp ​

#pragma region student.h

#ifndef __STUDENT_H_
#define __STUDENT_H_

template <typename T>
bool CP::vector<T>::valid_iterator(CP::vector<T>::iterator it) const {
    // write your code here
    const auto index = it - mData;
    return index >= 0 && index < mSize;
}

#endif

#pragma endregion student.h