graphs - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	596	P1534F2 Falling Sand (Hard Version) dfs and similar dp graphs greedy *3000	0 / 0	(None)
	594	P1534H Lost Nodes constructive algorithms dp graphs interactive sortings trees *3500	0 / 0	(None)
	583	P1536E Omkar and Forest combinatorics graphs math shortest paths *2300	0 / 0	(None)
	575	P1537F Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math *2200	0 / 0	(None)
	561	P1540A Great Graphs constructive algorithms graphs greedy shortest paths sortings *1400	0 / 0	(None)
	560	P1540B Tree Array brute force combinatorics dp graphs math probabilities trees *2300	0 / 0	(None)
	542	P1543E The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math *2700	0 / 0	(None)
	539	P1545C AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs *2800	0 / 0	(None)
	526	P1547G How Many Paths? dfs and similar dp graphs trees *2100	0 / 0	(None)
	525	P1548A Web of Lies brute force graphs greedy *1400	0 / 0	(None)
	520	P1548E Gregor and the Two Painters data structures divide and conquer graphs greedy math *3400	0 / 0	(None)
	518	P1549B Gregor and the Pawn Game dfs and similar dp flows graph matchings graphs greedy implementation *800	0 / 0	(None)
	512	P1550F Jumping Around binary search data structures divide and conquer dp dsu graphs shortest paths *2700	0 / 0	(None)
	502	P1552B Running for Gold combinatorics graphs greedy sortings *1500	0 / 0	(None)
	500	P1552D Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math *1800	0 / 0	(None)
	490	P1553E Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	0 / 0	(None)
	488	P1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	(None)
	475	P1555F Good Graph data structures dsu graphs trees *2700	0 / 0	(None)
	469	P1556F Sports Betting bitmasks combinatorics dp graphs math probabilities *2500	0 / 0	(None)
	467	P1556H DIY Tree graphs greedy math probabilities *3300	0 / 0	(None)

Pick a problem randomly based on the current filter.