Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	3471	P632C The Smallest String Concatenation sortings strings *1700	0 / 0	(None)
	3472	P632E Thief in a Shop divide and conquer dp fft math *2400	0 / 0	(None)
	3473	P633A Ebony and Ivory brute force math number theory *1100	0 / 0	(None)
	3474	P633B A Trivial Problem brute force constructive algorithms math number theory *1300	0 / 0	(None)
	3475	P633D Fibonacci-ish brute force dp hashing implementation math *2000	0 / 0	(None)
	3476	P633E Startup Funding binary search constructive algorithms data structures probabilities two pointers *2400	0 / 0	(None)
	3477	P633F The Chocolate Spree dfs and similar dp graphs trees *2600	0 / 0	(None)
	3478	P633H Fibonacci-ish II data structures implementation *3100	0 / 0	(None)
	3479	P634A Island Puzzle constructive algorithms implementation *1300	0 / 0	(None)
	3480	P637A Voting for Photos special problem constructive algorithms implementation 1000	0 / 0	(None)
	3481	P637C Promocodes with Mistakes special problem brute force constructive algorithms implementation 1400	0 / 0	(None)
	3482	P638A Home Numbers special problem constructive algorithms math 1100	0 / 0	(None)
	3483	P638C Road Improvement special problem dfs and similar graphs greedy trees 1800	0 / 0	(None)
	3484	P638D Three-dimensional Turtle Super Computer brute force dfs and similar graphs *1800	0 / 0	(None)
	3485	P639B Bear and Forgotten Tree 3 constructive algorithms graphs trees *1600	0 / 0	(None)
	3486	P639D Bear and Contribution data structures greedy sortings two pointers *2400	0 / 0	(None)
	3487	P639F Bear and Chemistry data structures dfs and similar graphs trees *3300	0 / 0	(None)
	3488	P641B Little Artem and Matrix implementation *1400	0 / 0	(None)
	3489	P641D Little Artem and Random Variable dp implementation math probabilities *2400	0 / 0	(None)
	3490	P641F Little Artem and 2-SAT *3000	0 / 0	(None)

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