graphs - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5015	P1242C Sum Balance bitmasks dfs and similar dp graphs *2400	0 / 0	(None)
	5016	P1242E Planar Perimeter constructive algorithms graphs *3200	0 / 0	(None)
	5020	P1244D Paint the Tree brute force constructive algorithms dp graphs implementation trees *1800	0 / 0	(None)
	5025	P1245D Shichikuji and Power Grid dsu graphs greedy shortest paths trees *1900	0 / 0	(None)
	5042	P1250K Projectors flows graphs *3100	0 / 0	(None)
	5044	P1250N Wires dfs and similar graphs greedy *2000	0 / 0	(None)
	5056	P1252L Road Construction flows graphs *2300	0 / 0	(None)
	5060	P1253F Cheap Robot binary search dsu graphs shortest paths trees *2500	0 / 0	(None)
	5065	P1255B Fridge Lockers graphs implementation *1100	0 / 0	(None)
	5115	P1272E Nearest Opposite Parity dfs and similar graphs shortest paths *1900	0 / 0	(None)
	5130	P1278D Segment Tree data structures dsu graphs trees *2100	0 / 0	(None)
	5138	P1280C Jeremy Bearimy dfs and similar graphs greedy trees *2000	0 / 0	(None)
	5145	P1282E The Cake Is a Lie constructive algorithms data structures dfs and similar graphs *2400	0 / 0	(None)
	5148	P1283D Christmas Trees graphs greedy shortest paths *1800	0 / 0	(None)
	5153	P1284F New Year and Social Network data structures graph matchings graphs math trees *3200	0 / 0	(None)
	5157	P1285E Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers *2300	0 / 0	(None)
	5168	P1290C Prefix Enlightenment dfs and similar dsu graphs *2400	0 / 0	(None)
	5169	P1290D Coffee Varieties (hard version) constructive algorithms graphs interactive *3000	0 / 0	(None)
	5172	P1291F Coffee Varieties (easy version) graphs interactive *2800	0 / 0	(None)
	5188	P1296E1 String Coloring (easy version) constructive algorithms dp graphs greedy sortings *1800	0 / 0	(None)

Pick a problem randomly based on the current filter.