Why do people count from 0 in computer science?

Answer 1

not in all languages but in most of them indices start at zero because mathematematically it make sense, when computing the address of an array element... item 0 (first) is at same adress than array address, item 1 (second) is at array address + length of items type... so any index address could be computed as: array_address+(index*length_of_items_type) ^^

Answer 2

Devdip Mallick

What do you mean by "count from 0"?

Everything start from 0.

Are you taking about index start from 0?

Answer 3

Pointer

https://www.sololearn.com/learn/C/2962/

Visph explains it well.

Answer 4

https://www.sololearn.com/discuss/2751962/?ref=app