No Submissions for Lost Guy Radhu

can anyone explain me what is MX in the contraint ?
and my solution gives RE SIGSEGV, i guess that is because of contraint MX.

cant refer others solution also because no submissions
Thanks in Advance

MX is just the constraint of Ai. Ai won’t be greater than 10**9.
There are submissions but we can’t see them. For the same reason, I can’t see yours from the link as well.

thanks man.

You can report it to i think

i guess they are purposely hiding submissions. those are previous exam questions.