Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	7259	P65C Harry Potter and the Golden Snitch binary search geometry *2100	0 / 0	(None)
	7258	P65D Harry Potter and the Sorting Hat brute force dfs and similar hashing *2200	0 / 0	(None)
	7257	P65E Harry Potter and Moving Staircases dfs and similar implementation *2900	0 / 0	(None)
	7256	P66A Petya and Java implementation strings *1300	0 / 0	(None)
	7255	P66B Petya and Countryside brute force implementation *1100	0 / 0	(None)
	7254	P66C Petya and File System data structures implementation *1800	0 / 0	(None)
	7253	P66D Petya and His Friends constructive algorithms math number theory *1700	0 / 0	(None)
	7252	P66E Petya and Post data structures dp *2000	0 / 0	(None)
	7251	P67A Partial Teacher dp graphs greedy implementation *1800	0 / 0	(None)
	7250	P67B Restoration of the Permutation greedy *1800	0 / 0	(None)
	7249	P67C Sequence of Balls dp *2600	0 / 0	(None)
	7248	P67D Optical Experiment binary search data structures dp *1900	0 / 0	(None)
	7247	P67E Save the City! geometry *2500	0 / 0	(None)
	7246	P68A Irrational problem implementation number theory *1100	0 / 0	(None)
	7245	P68B Energy exchange binary search *1600	0 / 0	(None)
	7244	P68C Synchrophasotron brute force *2200	0 / 0	(None)
	7243	P68D Half-decay tree data structures divide and conquer dp math probabilities *2500	0 / 0	(None)
	7242	P68E Contact geometry *2900	0 / 0	(None)
	7241	P69A Young Physicist implementation math *1000	0 / 0	(None)
	7240	P69B Bets greedy implementation *1200	0 / 0	(None)

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