Clarifications

# When? Question Answer
1 3 months, 3 weeks ago H - Round table

Is the sum of `n` over all testcases guaranteed to be less than or equal to 10**5 ? Or some other upper bound ?

There is no such upper bound.

2 3 months, 3 weeks ago G - Evolution

Can the 0s at the start and end be affected by the iterations?

No