Baoshuo 0b2e3efdac B2 - Tokitsukaze and Good 01-String (hard version) ... https://codeforces.com/contest/1678/submission/156372600		2022-05-09 09:27:31 +08:00
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A	A - Tokitsukaze and All Zero Sequence	2022-05-09 08:15:13 +08:00
B1	B1 - Tokitsukaze and Good 01-String (easy version)	2022-05-09 08:17:09 +08:00
B2	B2 - Tokitsukaze and Good 01-String (hard version)	2022-05-09 09:27:31 +08:00