suggestions on solving A/B

Revision en2, by musescr7, 2022-11-07 05:20:20

I can tackle C/D sometimes. However, in the recent several contests, I stuck at A/B for a long time. Any suggestions for me?

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  Rev. Lang. By When Δ Comment
en2 English musescr7 2022-11-07 05:20:20 20 Tiny change: 'I sometimes can tackle C/D. However,' -> 'I can tackle C/D sometimes. However,'
en1 English musescr7 2022-11-07 05:20:01 150 Initial revision (published)