Solved by psb0623

#	Title	# Solved	Avg. Tries
25401	카드 바꾸기	847	2.68
25402	Query on a Tree	507	4.03
25433	PLCS	68	3.71
25546	가채점	17	4.29
25563	AND, OR, XOR	77	2.74
25740	Good Partitions	7	1.14
26104	Empty Quadrilaterals	51	2.63
26105	Folding Stick	146	2.32
26106	Forbidden Turns	132	2.42
26107	Frog Jump	162	1.52
26110	Palindrome Type	220	1.92
26111	Parentheses Tree	291	1.64
26112	Shuffle Game	107	1.89
26306	Balanced Seesaw Array	22	3.91
26308	Distance and Tree	22	1.73
26311	Geekflix	18	1.17
26647	알프스 케이블카 2	31	7.81
26649	물정수열 2	17	4.65
26655	바벨탑	61	2.87
27525	듣기 평가 연습	9	3.56
27533	따로 걸어가기	76	1.21
27582	Greedy Increasing Subsequences	18	1.61
27648	증가 배열 만들기	791	1.74
28121	산책과 쿼리	63	2.38
28244	사람이 먼저 되라	23	3.22
29161	트리와 케이	31	6.39
30323	Exponentiation	70	3.24
30853	Black Box	84	1.36
30855	Fraction	180	1.84
30857	Lucky Draws	52	3.38
30858	Magic Cards	109	2.58
30859	M. S. I. S.	104	1.97
30860	Product Delivery	96	1.65
31537	I don’t wanna go to work 1	55	1.95
31813	RUN Number	210	2.21
31814	Sequence and Queries	79	1.44
31815	Construct a Graph	66	3.15
31816	Closet	32	2.81
31820	Tree Kadane	13	4.54
32077	Button Pressing	32	1.09
32081	Maximize The Value	36	1.53
32083	Twin Friends	27	1.33
32087	Palindromic Parentheses	27	1.19
32380	인생	68	2.49
32451	Cards	28	1.46
32472	Simple Tree Decomposition Problem	42	2.43

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