dfs and similar - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	55	P1635E Cars 2-sat constructive algorithms dfs and similar dsu graphs greedy sortings *2200	0 / 0	(None)
	48	P1637F Towers constructive algorithms dfs and similar dp greedy trees *2500	0 / 0	(None)
	11	P1646D Weight the Tree constructive algorithms dfs and similar dp implementation trees *2000	0 / 0	(None)
	7607	P1647E Madoka and the Sixth-graders binary search data structures dfs and similar dp greedy trees	0 / 0	(None)
	4	P1648E Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees	0 / 0	(None)
	3	P1648F Two Avenues data structures dfs and similar graphs	0 / 0	(None)
	5211	P1650G Counting Shortcuts dfs and similar dp graphs shortest paths	0 / 0	(None)
	7602	P1651D Nearest Excluded Points binary search data structures dfs and similar graphs shortest paths	0 / 0	(None)
	7601	P1651E Sum of Matchings dfs and similar greedy implementation math	0 / 0	(None)
	7622	P1654D Potion Brewing Class dfs and similar math number theory trees *2100	0 / 0	(None)
	7718	P1676G White-Black Balanced Subtrees dfs and similar dp graphs trees *1300	0 / 0	(None)
	7713	P1677C Tokitsukaze and Two Colorful Tapes constructive algorithms dfs and similar graphs greedy *1900	0 / 0	(None)
	7703	P1679D Toss a Coin to Your Graph... binary search dfs and similar dp graphs *1900	0 / 0	(None)
	7695	P1680F Lenient Vertex Cover dfs and similar divide and conquer dsu graphs trees *2600	0 / 0	(None)
	7691	P1681D Required Length brute force dfs and similar dp hashing shortest paths *1700	0 / 0	(None)
	7689	P1681F Unique Occurrences data structures dfs and similar divide and conquer dp dsu trees *2300	0 / 0	(None)
	7684	P1682E Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees *2700	0 / 0	(None)
	7675	P1684H Hard Cut constructive algorithms dfs and similar divide and conquer math *3400	0 / 0	(None)
	7671	P1685D1 Permutation Weight (Easy Version) constructive algorithms dfs and similar dsu *2800	0 / 0	(None)
	7655	P1689C Infected Tree dfs and similar dp trees *1600	0 / 0	(None)

Pick a problem randomly based on the current filter.