Let's enjoy Competitive Programming! (98Ú½)
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26
(1): 2020/03/10(Tue)01:35 AAS
It's a very difficult problem.

Does anyone have any idea?
ŠO•”ØÝ¸:atcoder.jp

‰æ‘œØÝ¸[png]:i.imgur.com
27: 2020/03/10(Tue)04:30 AAS
>>26
for example
‰æ‘œØÝ¸[png]:i.imgur.com
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