문제 - trees - HydroOJ

	ID	문제 Show tags Hide tags	AC / Tried	난이도
	8938	P1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft implementation trees	0 / 0	(N/A)
	8947	P1857D Strong Vertices math sortings trees	0 / 0	(N/A)
	8958	P1858E1 Rollbacks (Easy Version) brute force data structures dfs and similar trees *2500	0 / 0	9
	8957	P1858E2 Rollbacks (Hard Version) data structures interactive trees *2600	0 / 0	10
	8951	P1859F Teleportation in Byteland data structures divide and conquer graphs shortest paths trees	0 / 0	(N/A)
	8997	P1861C Queries for the Array data structures dfs and similar implementation strings trees	0 / 0	(N/A)
	8986	P1863H Goldberg Machine 3 dp trees	0 / 0	(N/A)
	8985	P1863I Redundant Routes constructive algorithms dp trees	0 / 0	(N/A)
	8980	P1864E Guess Game bitmasks combinatorics constructive algorithms data structures divide and conquer games math strings trees	0 / 0	(N/A)
	9009	P1866K Keen Tree Calculation binary search data structures dp geometry graphs implementation trees	0 / 0	(N/A)
	9025	P1868C Travel Plan combinatorics divide and conquer dp math trees	0 / 0	(N/A)
	9024	P1868D Flower-like Pseudotree constructive algorithms graphs implementation trees	0 / 0	(N/A)
	9036	P1870H Standard Graph Problem data structures graphs greedy trees	0 / 0	(N/A)
	9063	P1873H Mad City dfs and similar dsu games graphs shortest paths trees *1700	0 / 0	5
	9091	P1876E Ball-Stackable constructive algorithms data structures dp trees	0 / 0	(N/A)
	9089	P1876G Clubstep binary search brute force data structures greedy trees	0 / 0	(N/A)
	9056	P1878G wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	0 / 0	(N/A)
	9051	P1879E Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees *2400	0 / 0	9
	9097	P1881F Minimum Maximum Distance dfs and similar dp graphs shortest paths trees	0 / 0	(N/A)
	9046	P1882D Tree XOR bitmasks dfs and similar dp greedy trees	0 / 0	(N/A)
	9105	P1887D Split binary search data structures divide and conquer dsu math trees two pointers	0 / 0	(N/A)
	9131	P1889D Game of Stacks brute force dfs and similar graphs implementation trees	0 / 0	(N/A)
	9130	P1889E Doremy's Swapping Trees dfs and similar graphs trees	0 / 0	(N/A)
	9129	P1889F Doremy's Average Tree data structures dp greedy trees	0 / 0	(N/A)
	9121	P1891F A Growing Tree data structures dfs and similar trees	0 / 0	(N/A)
	9139	P1895D XOR Construction bitmasks constructive algorithms data structures math trees	3 / 3	10
	9151	P1899F Alex's whims constructive algorithms graphs shortest paths trees	1 / 1	10
	9150	P1899G Unusual Entertainment data structures dfs and similar dsu shortest paths sortings trees	0 / 2	10
	9172	P1900C Anji's Binary Tree dfs and similar dp shortest paths trees	0 / 0	(N/A)
	9164	P1901E Compressed Tree dfs and similar dp graphs greedy trees	0 / 0	(N/A)
	9212	P1902E Collapsing Strings data structures strings trees *1900	0 / 0	6
	9211	P1902F Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees *2400	0 / 0	9
	9240	P1904E Tree Queries data structures dfs and similar graphs implementation trees	0 / 1	10
	9239	P1904F Beautiful Tree data structures dfs and similar graphs implementation trees	0 / 0	(N/A)
	9250	P1905B Begginer's Zelda greedy trees	0 / 0	(N/A)
	9233	P1910F Build Railway Stations special problem greedy trees 2000	0 / 0	7
	9285	P1913D Array Collapse data structures divide and conquer dp trees *2100	0 / 0	7
	9276	P1914F Programming Competition dfs and similar dp graph matchings greedy trees *1900	0 / 0	6
	9275	P1914G1 Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees *2100	0 / 0	7
	9262	P1916E Happy Life in University data structures dfs and similar greedy trees *2300	1 / 1	8
	9260	P1916G Optimizations From Chelsu divide and conquer dp number theory trees *3500	0 / 0	10
	9252	P1917F Construct Tree bitmasks constructive algorithms dp trees *2500	1 / 6	9
	9338	P1918F Caterpillar on a Tree binary search dfs and similar graphs greedy implementation trees	0 / 0	(N/A)
	9304	P1919D 01 Tree constructive algorithms data structures divide and conquer greedy implementation sortings trees *2100	1 / 2	7
	9300	P1919G Tree LGM constructive algorithms games trees *3500	0 / 0	10
	9299	P1919H Tree Diameter interactive trees *3500	0 / 0	10
	9315	P1920F2 Smooth Sailing (Hard Version) 2-sat binary search data structures dsu geometry graphs trees *3000	0 / 0	10
	9395	P1923E Count Paths data structures dfs and similar divide and conquer dp graphs trees	0 / 0	(N/A)
	9387	P1926G Vlad and Trouble at MIT dfs and similar dp flows graphs greedy implementation trees	0 / 0	(N/A)
	9381	P1927F Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees *1900	0 / 0	6

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