How many elements does arr[4][4] contain?

Question

Doesn't an array start counting at 0? That means the answer should be (4+1)*(4+1)=25, but the answer is 16. Why doesn't it start counting at 0? If you get a number from an array at [0][1], that is valid too, so in that case it does start counting at 0.

Answer 1

4*4

arr[4] means it contains 4 elements (0,1,2,3).....

Answer 2

number of elements is 4*4=16 , y because number of rows in arr is 4 and columns is 4 but are indexing is from 0 to 3 ,array indexing starts with 0 that is predefined we can't change

Answer 3

It starts counting from 0 but ends at 3.So it is 4 * 4 =16

Answer 4

Ah, of course. Does start counting at 0, but stops at 3. Thanks!