trees - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
183	P1851G Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers *2000	0 / 0	7
170	P1854D Michael and Hotel binary search interactive trees *3000	0 / 0	10
161	P1856E1 PermuTree (easy version) dfs and similar dp trees *1800	0 / 0	6
160	P1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees *2700	0 / 0	10
156	P1857D Strong Vertices math sortings trees *1300	0 / 0	4
153	P1857G Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees *2000	0 / 0	7
148	P1858E1 Rollbacks (Easy Version) brute force data structures dfs and similar trees *2500	0 / 0	9
147	P1858E2 Rollbacks (Hard Version) data structures interactive trees *2600	0 / 0	10
141	P1859F Teleportation in Byteland data structures dfs and similar divide and conquer graphs shortest paths trees *3200	0 / 0	10
132	P1861C Queries for the Array data structures dfs and similar implementation strings trees *1600	0 / 0	5
114	P1863H Goldberg Machine 3 dp trees *3500	0 / 0	10
113	P1863I Redundant Routes constructive algorithms dp trees *3500	0 / 0	10
108	P1864E Guess Game bitmasks data structures games math probabilities sortings strings trees *2100	0 / 0	7
93	P1866K Keen Tree Calculation binary search data structures dp geometry graphs implementation trees *2500	0 / 0	9
80	P1868C Travel Plan combinatorics dp implementation math trees *2400	0 / 0	9
79	P1868D Flower-like Pseudotree constructive algorithms graphs greedy implementation trees *3000	0 / 0	10
67	P1870H Standard Graph Problem data structures graphs greedy trees *3500	0 / 0	10
52	P1873H Mad City dfs and similar dsu games graphs shortest paths trees *1700	0 / 0	5
37	P1876E Ball-Stackable constructive algorithms data structures dp trees	0 / 0	(无)
35	P1876G Clubstep binary search brute force data structures greedy trees	0 / 0	(无)
26	P1878G wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	0 / 0	(无)
21	P1879E Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees *2400	0 / 0	9
14	P1881F Minimum Maximum Distance dfs and similar dp graphs shortest paths trees	0 / 0	(无)
9	P1882D Tree XOR bitmasks dfs and similar dp greedy trees	0 / 0	(无)
8980	P1889D Game of Stacks brute force dfs and similar graphs implementation trees	0 / 0	(无)
8979	P1889E Doremy's Swapping Trees dfs and similar graphs trees	0 / 0	(无)
8978	P1889F Doremy's Average Tree data structures dp greedy trees	0 / 0	(无)
8970	P1891F A Growing Tree data structures dfs and similar trees	0 / 0	(无)
8988	P1895D XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees *1900	0 / 0	6
9000	P1899F Alex's whims constructive algorithms graphs greedy shortest paths trees	0 / 0	(无)
8999	P1899G Unusual Entertainment brute force data structures dfs and similar dsu shortest paths sortings trees two pointers	0 / 0	(无)
9021	P1900C Anji's Binary Tree dfs and similar dp shortest paths trees	0 / 0	(无)
9013	P1901E Compressed Tree dfs and similar dp graphs greedy sortings trees *2200	0 / 0	8
9102	P1902E Collapsing Strings data structures strings trees *1900	0 / 0	6
9101	P1902F Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees *2400	0 / 0	9
9094	P1903F Babysitting 2-sat binary search data structures graphs trees *2500	0 / 0	9
9088	P1904E Tree Queries data structures dfs and similar graphs implementation trees	0 / 0	(无)
9087	P1904F Beautiful Tree data structures dfs and similar graphs implementation trees	0 / 0	(无)
9085	P1905B Begginer's Zelda greedy trees	0 / 0	(无)
9082	P1905E One-X combinatorics dfs and similar divide and conquer dp math trees	0 / 0	(无)
9055	P1910F Build Railway Stations special problem greedy trees 2000	0 / 0	7
9035	P1913D Array Collapse data structures divide and conquer dp trees	0 / 0	(无)
9109	P1914F Programming Competition dfs and similar greedy trees	0 / 0	(无)
9126	P1916E Happy Life in University data structures dfs and similar greedy trees *2300	0 / 0	8
9124	P1916G Optimizations From Chelsu divide and conquer dp number theory trees *3500	0 / 0	10
9116	P1917F Construct Tree bitmasks constructive algorithms dp trees *2500	0 / 0	9
9187	P1918F Caterpillar on a Tree data structures dfs and similar dp graphs greedy implementation trees *2500	0 / 0	9
9153	P1919D 01 Tree constructive algorithms data structures divide and conquer dp greedy implementation sortings trees *2100	0 / 0	7
9149	P1919G Tree LGM constructive algorithms games trees *3500	0 / 0	10
9148	P1919H Tree Diameter interactive trees *3500	0 / 0	10
9170	P1920F2 Smooth Sailing (Hard Version) binary search data structures dsu geometry graphs trees *3000	0 / 0	10
9244	P1923E Count Paths data structures dfs and similar divide and conquer dp dsu trees	0 / 0	(无)
9236	P1926G Vlad and Trouble at MIT dfs and similar dp flows graphs greedy implementation trees	0 / 0	(无)
9230	P1927F Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees *1900	0 / 0	6
9219	P1929D Sasha and a Walk in the City combinatorics dp math trees *1900	0 / 0	6
9218	P1929E Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees *2300	0 / 0	8
9217	P1929F Sasha and the Wedding Binary Search Tree brute force combinatorics data structures dfs and similar math trees *2300	0 / 0	8
9209	P1930G Prefix Max Set Counting data structures dp trees	0 / 0	(无)
9208	P1930H Interactive Mex Tree constructive algorithms dfs and similar interactive trees	0 / 0	(无)
9292	P1935F Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	0 / 0	(无)
9353	P1942H Farmer John's Favorite Intern data structures dp flows trees	0 / 0	(无)
9318	P1943C Tree Compass constructive algorithms dfs and similar greedy trees	0 / 0	(无)
9332	P1946C Tree Cutting binary search dp greedy implementation trees	0 / 0	(无)
9304	P1948G MST with Matching bitmasks brute force dsu trees	0 / 0	(无)
9343	P1949C Annual Ants' Gathering dfs and similar greedy trees	0 / 0	(无)
9340	P1949F Dating greedy sortings trees	0 / 0	(无)
9336	P1949J Amanda the Amoeba graphs implementation trees two pointers	0 / 0	(无)
9347	P1950F 0, 1, 2, Tree! greedy math trees	0 / 0	(无)
9373	P1951H Thanos Snap dp dp games games trees trees	0 / 0	(无)
9362	P1952J Help, what does it mean to be "Based" 2-sat binary search bitmasks brute force chinese remainder theorem combinatorics constructive algorithms data structures dfs and similar divide and conquer dp dsu expression parsing fft flows games geometry graph matchings graphs greedy hashing implementation interactive math matrices meet-in-the-middle number theory probabilities schedules shortest paths sortings string suffix structures strings ternary search trees two pointers	0 / 0	(无)
9403	P1957F1 Frequency Mismatch (Easy Version) binary search data structures hashing trees	0 / 0	(无)
9402	P1957F2 Frequency Mismatch (Hard Version) binary search data structures dfs and similar hashing trees	0 / 0	(无)
9460	P1970A2 Balanced Unshuffle (Medium) constructive algorithms trees	0 / 0	(无)
9459	P1970A3 Balanced Unshuffle (Hard) constructive algorithms trees	0 / 0	(无)
9453	P1970C3 Game on Tree (Hard) dfs and similar dp games trees	0 / 0	(无)
9443	P1970G1 Min-Fund Prison (Easy) dfs and similar trees	0 / 0	(无)
9442	P1970G2 Min-Fund Prison (Medium) brute force dfs and similar dp graphs trees	0 / 0	(无)
9441	P1970G3 Min-Fund Prison (Hard) bitmasks dfs and similar dp graphs trees	0 / 0	(无)
9498	P1975D Paint the Tree dp greedy trees	0 / 0	(无)
9497	P1975E Chain Queries data structures implementation trees	0 / 0	(无)
9507	P1976F Remove Bridges dp greedy sortings trees	0 / 0	(无)
9519	P1980G Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs strings trees	0 / 0	(无)
9513	P1981F Turtle and Paths on a Tree data structures dp trees	0 / 0	(无)
9587	P1983G Your Loss bitmasks trees	0 / 0	(无)
9536	P1984E Shuffle dp greedy trees	0 / 0	(无)
9582	P1987E Wonderful Tree! brute force dfs and similar dp greedy trees	0 / 0	(无)
9603	P1988D The Omnipotent Monster Killer brute force dp graphs trees	0 / 0	(无)
9575	P1989B Substring and Subsequence bitmasks dp graphs greedy hashing strings trees	0 / 0	(无)
9617	P1990E1 Catch the Mole(Easy Version) binary search data structures interactive trees	0 / 0	(无)
9616	P1990E2 Catch the Mole(Hard Version) binary search data structures interactive trees	0 / 0	(无)
9610	P1994E Wooden Game bitmasks greedy math trees	0 / 0	(无)
9628	P1995A Diagonals brute force greedy implementation math ternary search trees	0 / 0	(无)
9647	P1997D Maximize the Root binary search dfs and similar dp greedy trees	0 / 0	(无)

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