Solved by nickbelov

#	Title	# Solved	Avg. Tries
16001	Treasure Box	34	4.29
21763	Bingo	174	3.29
22031	Yet Another Interval Graph Problem	66	3.15
25727	Building Bombing	52	2.67
25731	Making Number	21	2.76
28204	Classical Data Structure Problem	6	4.00
28205	Classical DP Problem	28	2.14
28206	Classical FFT Problem	10	1.30

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