CDUTCMOJ

Problem ID	Title	Source/Category	Solved	Submit
1252	第K极值	JoyOI	15	67
1253	滑雪	JoyOI	10	13
1266	isbn	JoyOI	7	11
1271	排座椅	JoyOI	3	5
1278	Multiplication games	JoyOI	3	4
1279	Longest not descending subsequence	JoyOI	6	9
1591	立体图	JoyOI	1	4
1615	Longest not descending subsequenceⅡ	JoyOI	7	12
1618	数字三角形3	JoyOI	7	9
1620	划分大理石	JOYOI	11	17
1621	家族	Joyoi	13	19