Solved by hos_lyric

#	Title	# Solved	Avg. Tries
19314	Swap	6	1.50
19315	Conic Section	2	1.00
19316	Connected Subgraph	3	1.67
19317	Hanoi	3	1.00
19318	Binary String	4	1.75
19319	Pattern Matching	3	1.67
19320	Interval Tree	2	1.50
19321	Longest Increasing Subsequence	48	1.29
19322	Median	2	1.50
19323	Dogs	5	1.20
28431	Matching socks	2,325	1.55
28432	Shiritori	1,255	3.70
28433	Gerrymandering	256	3.55
28434	Same Range	30	3.23
28435	Avoiding Multiples	277	3.05
28436	Moving Stones	96	3.25
28437	Making Sticks	413	2.06
28438	Matrix Operations (Calculate the Matrix)	692	1.86
28439	Matrix Operations (Find Operations)	189	3.08
28701	Sum of Cubes	3,480	1.36
28702	FizzBuzz	5,199	1.60
28703	Double It	459	3.16
28704	Sum=Product	121	3.33
28705	RLE Inversion Counting	81	2.32
28706	Lucky Seven	478	2.12
28707	Array Sorting	562	2.17
28708	Avoiding Primes	24	1.88
28709	Wildcard Parentheses String	194	3.91
29196	Not Decimal	579	2.47
29197	Taekwondo	493	2.89
29198	Yet Another String Problem in C	446	2.00
29199	Archery Duel	190	2.15
29200	Reducing the Number of Problems	167	3.51
29201	K-Sorting Game	46	5.57
29202	Backpack	60	4.58
29203	Theme Park	34	4.09
29204	Hide and Seek in KSA	18	3.89
29205	Marathon	14	6.79
30804	Fruit Tanghulu	2,762	2.92
30807	TSM	72	3.25
30808	Intersection Range Sum	30	2.00
30809	Yet Another Coin Problem	7	1.86
30810	Painting	24	2.96
30811	TSP	36	3.53
30812	The Bad Child	19	3.79
31066	Rainy Day	347	2.35
31067	Dao's Racing Competition	518	1.46
31068	Balanced Grades	91	6.25
31069	Graph and permutation	7	3.00
31070	Delivering Noodles	52	1.56

12