Problem Set - trees - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	1891	P14D Two Paths dfs and similar dp graphs shortest paths trees two pointers *1900	0 / 0	(None)
	1923	P25D Roads not only in Berland dsu graphs trees *1900	0 / 0	(None)
	1936	P29D Ant on the Tree constructive algorithms dfs and similar trees *2000	0 / 0	(None)
	1961	P37C Old Berland Language data structures greedy trees *1900	0 / 0	(None)
	1982	P42E Baldman and the military dfs and similar graphs trees *2700	0 / 0	(None)
	2009	P48G Galaxy Union dp trees two pointers *2700	0 / 0	(None)
	2020	P51F Caterpillar dfs and similar dp graphs trees *2800	0 / 0	(None)
	2049	P61D Eternal Victory dfs and similar graphs greedy shortest paths trees *1800	0 / 0	(None)
	2078	P70E Information Reform dp implementation trees *2700	0 / 0	(None)
	2099	P75D Big Maximum Sum data structures dp greedy implementation math trees *2000	0 / 0	(None)
	2100	P76A Gift dsu graphs sortings trees *2200	0 / 0	(None)
	2104	P77C Beavermuncher-0xFF dfs and similar dp dsu greedy trees *2100	0 / 0	(None)
	2116	P81E Pairs dfs and similar dp dsu graphs implementation trees *2700	0 / 0	(None)
	2126	P85C Petya and Tree binary search dfs and similar probabilities sortings trees *2200	0 / 0	(None)
	2153	P97E Leaders dfs and similar dsu graphs trees *2200	0 / 0	(None)
	2165	P101D Castle dp greedy probabilities sortings trees *2300	0 / 0	(None)
	2193	P115A Party dfs and similar graphs trees *900	0 / 0	(None)
	2200	P117E Tree or not Tree data structures divide and conquer implementation trees *2900	0 / 0	(None)
	2211	P120F Spiders dp greedy trees *1400	0 / 0	(None)
	2290	P150E Freezing with Style binary search data structures divide and conquer trees *3000	0 / 0	(None)

Pick a problem randomly based on the current filter.