Baoshuo 4b4a4f1b2c B - Patchouli's Magical Talisman ... https://codeforces.com/contest/1688/submission/159633612		2022-06-07 09:01:39 +08:00
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A	A. Cirno's Perfect Bitmasks Classroom	2022-06-04 17:25:25 +08:00
B	B - Patchouli's Magical Talisman	2022-06-07 09:01:39 +08:00