Baoshuo 7c418cef40 D - Required Length ... https://codeforces.com/contest/1681/submission/158228515		2022-05-24 01:00:11 +08:00
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A	A - Game with Cards	2022-05-23 22:46:19 +08:00
B	B - Card Trick	2022-05-23 22:59:09 +08:00
C	C - Double Sort	2022-05-23 23:41:27 +08:00
D	D - Required Length	2022-05-24 01:00:11 +08:00