Problems page - How to filter only non-Premium questions ?

[manoharreddyporeddy]

Thanks for your hardwork on clist website, @aropan

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Leetcode has Premium & non-Premium questions. An example for each is given, at the end below.

How to hide Premium / select only non-Premium questions at below problems page?

https://clist.by/problems/?search=&resource=102&rating_from=0&rating_to=1825&status=noallsolved&chart=&sort_order=asc&sort=rating

With existing Fields, unable to filter non-premium questions.

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Premium & non-Premium question examples:

Premium question below, needs Subscribe https://leetcode.com/subscribe/?ref=qd3_pq https://leetcode.com/problems/find-smallest-common-element-in-all-rows/description/

Normal question below https://leetcode.com/problems/sum-of-number-and-its-reverse/description/

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