Which of the following gives the number of elements in the array int r[10]?
A) sizeof r
B) sizeof (*r)
C) sizeof r / sizeof (int)
D) sizeof (*r) / sizeof (int)

Question

Quizplus · Accepted Answer

C gives the number of elements in the array by taking the total size of the array (which is given by sizeof r) and dividing it by the size of one element (which is given by sizeof(int)). This results in the number of elements in the array being returned as the answer.

Which of the Following Gives the Number of Elements in the Array