関連ワード:  how to declare dynamic array in cpp    how to create dynamic array in cpp    how to define dynamic array in cpp    how to create dynamic array in c++    how to declare 2d dynamic array in c++    how to create dynamic 2d array in c++    how to create dynamic character array in c++    how to create dynamic two dimensional array in c++    how to create dynamic array of pointers in c++    how to create dynamic array of objects in c++