My problems

Revision en1, by Winning_zajasi, 2021-08-28 16:16:06

Recently, I found a problem. No matter how hard,I onlt can solve one problem in Div2.How can I solve the second problem?Even the third problem?How can help me?If you can help me,please post your thoughts in the comments section below.Thanks.

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en1 English Winning_zajasi 2021-08-28 16:16:06 254 Initial revision (published)