Practice

Problem library

Real problems with statements in English and বাংলা, judged on the same toolchains as every contest. Solve them at your own pace: nothing here touches a rating.

New problems come from every Progsity roundAfter a round, its problems join this library, credited to the round and to the person who set them.Set a problem for a roundWrite one, see it used in a Progsity round, and get the credit on its page here.