R21 - Problem Set - XAZXOI

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	1721	A0439 计算 BMI 语法周赛 T1 R21	6 / 24	8
	1722	A0440 零碎文件占用大小语法周赛 T2 R21	4 / 6	10
	1723	A0441 科学记数法语法周赛 T3 R21	3 / 5	10
	1724	A0442 变大变大变成回文数语法周赛 T4 R21	2 / 3	10

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