R20 - Problem Set - 挖土机

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
91	A0435 编号第几小的思维场 T1 语法周赛 T1 R20	10 / 41	7
92	A0436 小猫向日葵语法周赛 T2 R20	9 / 21	7
93	A0437 乒乓球语法周赛 T3 R20	4 / 16	9
94	A0438 分糖果语法周赛 T4 R20	5 / 32	8

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