rogers

Your mission

Return how many entries a filter list still holds.

today's brief

July 8, 2022. Rogers pushes a configuration change to its core routers and a filter goes missing with it. Without that filter the routers take the whole internet routing table at once and drown in it. Twelve million Canadians lose phone and internet for the day. Debit machines stop. So do some 911 calls. Count what the filter list actually holds.

See it in action

filters("as577,as812,as999")

Expected result

Your checklist

For your own tracking. Tests grade your code.

line is a null-terminated list of entries separated by commas.
An entry is what sits between two commas, and an entry with no characters in it does not count.
Return how many entries the line holds.

More examples

filters("as577,,as812")

Expected result

Constraints

Expected files

filter.c

Allowed functions

None. Write every helper yourself.

Back to compete

Solutions

rogers

Your mission

Return how many entries a filter list still holds.

today's brief

See it in action

filters("as577,as812,as999")

Expected result

Your checklist

For your own tracking. Tests grade your code.

line is a null-terminated list of entries separated by commas.
An entry is what sits between two commas, and an entry with no characters in it does not count.
Return how many entries the line holds.

More examples

filters("as577,,as812")

Expected result

Constraints

Expected files

filter.c

Allowed functions

None. Write every helper yourself.

Back to compete

Solutions