번호	제목
18961	Logical Chain
18962	Matching In Multiplication
18963	Phone Call
18964	Questionnaire
18965	Security Check
18966	Alice and Bob (and string): Double Menace
18967	Bag of Bags
18968	Circle Union
18969	Different Summands Counting
18970	Emerging Tree
18971	Fast Travel Coloring
18972	Gnutella Chessmaster
18973	Halve & Merge
18974	Interpolate
18975	Jaw-Dropping Set
18976	Kingdom Connectivity
18977	Maximum Multiple
18978	Balanced Sequence
18979	Triangle Partition
18980	Distinct Values