trees - 题库 - FJNU

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7770	P1680F Lenient Vertex Cover dfs and similar divide and conquer dsu graphs trees *2600	0 / 0	(无)
	7784	P1682D Circular Spanning Tree constructive algorithms trees	0 / 0	(无)
	7843	P1689C Infected Tree dfs and similar dp trees *1600	0 / 0	(无)
	7828	P1691F K-Set Tree combinatorics dfs and similar dp math trees *2500	0 / 0	(无)
	7818	P1693B Fake Plastic Trees dfs and similar dp greedy trees *1700	0 / 0	(无)
	7808	P1695D1 Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees	0 / 0	(无)
	7807	P1695D2 Tree Queries (Hard Version) constructive algorithms dfs and similar dp greedy trees	0 / 0	(无)
	7931	P1696F Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees *2600	0 / 0	(无)
	7924	P1698E PermutationForces II brute force combinatorics greedy sortings trees two pointers *2300	0 / 0	(无)
	7904	P1702G1 Passable Paths (easy version) dfs and similar trees *1900	0 / 0	(无)
	7903	P1702G2 Passable Paths (hard version) data structures dfs and similar trees *2000	0 / 0	(无)
	7884	P1706E Qpwoeirut and Vertices binary search data structures dfs and similar divide and conquer dsu greedy trees *2300	0 / 0	(无)
	7881	P1707C DFS Trees dfs and similar dsu graphs greedy sortings trees *2400	0 / 0	(无)
	7880	P1707D Partial Virtual Trees combinatorics dfs and similar dp math trees *3000	0 / 0	(无)
	7871	P1709E XOR Tree bitmasks data structures dfs and similar dsu greedy trees *2400	0 / 0	(无)
	7870	P1709F Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees *2500	0 / 0	(无)
	7866	P1710D Recover the Tree constructive algorithms trees *3400	0 / 0	(无)
	7972	P1712F Triameter binary search data structures dfs and similar trees *3200	0 / 0	(无)
	7960	P1714F Build a Tree and That Is It constructive algorithms implementation trees *1900	0 / 0	(无)
	7959	P1714G Path Prefixes binary search data structures dfs and similar trees *1700	0 / 0	(无)
	7988	P1715E Long Way Home binary search brute force chinese remainder theorem combinatorics constructive algorithms data structures dfs and similar divide and conquer dp dsu expression parsing flows games geometry graph matchings graphs greedy hashing implementation interactive math matrices number theory probabilities schedules shortest paths sortings string suffix structures strings ternary search trees two pointers	0 / 0	(无)
	7948	P1718D Permutation for Burenka data structures graph matchings greedy math trees	0 / 0	(无)
	7939	P1720D1 Xor-Subsequence (easy version) bitmasks brute force dp strings trees	0 / 0	(无)
	7938	P1720D2 Xor-Subsequence (hard version) bitmasks data structures dp strings trees	0 / 0	(无)
	8043	P1721E Prefix Function Queries dfs and similar dp hashing string suffix structures strings trees *2200	0 / 0	(无)
	8030	P1725E Electrical Efficiency combinatorics data structures dp math number theory trees *2500	0 / 0	(无)
	8026	P1725I Imitating the Key Tree combinatorics dsu trees *2800	0 / 0	(无)
	8025	P1725J Journey dp trees *2500	0 / 0	(无)
	8018	P1726D Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees *2000	0 / 0	(无)
	8076	P1738D Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees *1900	0 / 0	6
	8074	P1738F Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees *2400	0 / 0	9
	8068	P1739D Reset K Edges binary search data structures dfs and similar graphs greedy trees	0 / 0	(无)
	8176	P1746D Paths on the Tree dfs and similar dp greedy sortings trees *1900	0 / 0	6
	8162	P1748E Yet Another Array Counting Problem binary search data structures divide and conquer dp flows math trees *2300	0 / 0	8
	8155	P1749F Distance to the Path data structures dfs and similar trees *2800	0 / 0	10
	8113	P1761E Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers *2400	0 / 0	9
	8110	P1761G Centroid Guess interactive probabilities trees *3500	0 / 0	10
	8248	P1762E Tree Sum combinatorics math trees *2600	0 / 0	10
	8240	P1763F Edge Queries data structures dfs and similar dp dsu graphs trees *3000	0 / 0	10
	8104	P1764F Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings trees *2500	0 / 0	9
	8229	P1767E Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees *2500	0 / 0	9
	8228	P1767F Two Subtrees data structures trees *3100	0 / 0	10
	8223	P1770E Koxia and Tree combinatorics dfs and similar dp dsu math probabilities trees	0 / 0	(无)
	8216	P1771D Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees *2100	0 / 0	7
	8214	P1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees *2500	0 / 0	9
	8195	P1773B BinCoin divide and conquer hashing implementation probabilities trees *2200	0 / 0	8
	8202	P1774E Two Chess Pieces dfs and similar dp greedy trees *1900	0 / 0	6
	8199	P1774G Segment Covering brute force combinatorics constructive algorithms data structures dp trees *3200	0 / 0	10
	8255	P1779F Xorcerer's Stones constructive algorithms dp trees	0 / 0	(无)
	8261	P1783G Weighed Tree Radius data structures divide and conquer implementation trees	0 / 0	(无)
	8359	P1842F Tenzing and Tree dfs and similar greedy shortest paths sortings trees *2500	0 / 0	9
	8350	P1843C Sum in Binary Tree bitmasks combinatorics math trees *800	0 / 0	3
	8351	P1843C Sum in Binary Tree bitmasks combinatorics math trees *800	0 / 0	3
	8349	P1843D Apple Tree combinatorics dfs and similar dp math trees *1200	0 / 0	4
	8346	P1843F1 Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees *1800	0 / 0	6
	8344	P1843F2 Omsk Metro (hard version) data structures dfs and similar divide and conquer dp math trees *2300	0 / 0	8
	8334	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	10
	8409	P1849F XOR Partition binary search bitmasks data structures divide and conquer greedy trees	0 / 0	(无)
	8289	P1851F Lisa and the Martians bitmasks data structures greedy strings trees	0 / 0	(无)
	8290	P1851G Vlad and the Mountains data structures dsu graphs sortings trees two pointers	0 / 0	(无)
	8404	P1854D Michael and Hotel interactive trees	0 / 0	(无)
	8545	P1861C Queries for the Array data structures dfs and similar implementation strings trees *1600	0 / 0	5
	8546	P1861C Queries for the Array data structures dfs and similar implementation strings trees *1600	0 / 0	5
	8518	P1863H Goldberg Machine 3 dp trees *3500	0 / 0	10
	8519	P1863H Goldberg Machine 3 dp trees *3500	0 / 0	10
	8517	P1863I Redundant Routes constructive algorithms dp trees *3500	0 / 0	10
	8509	P1864E Guess Game bitmasks data structures games math probabilities sortings strings trees *2100	0 / 0	7
	8510	P1864E Guess Game bitmasks data structures games math probabilities sortings strings trees *2100	0 / 0	7
	8488	P1866K Keen Tree Calculation binary search data structures dp geometry graphs implementation trees *2500	0 / 0	9
	8489	P1866K Keen Tree Calculation binary search data structures dp geometry graphs implementation trees *2500	0 / 0	9
	8468	P1868C Travel Plan combinatorics dp implementation math trees *2400	0 / 0	9
	8467	P1868D Flower-like Pseudotree constructive algorithms graphs greedy implementation trees *3000	0 / 0	10
	8450	P1870H Standard Graph Problem data structures graphs greedy trees *3500	0 / 0	10
	8451	P1870H Standard Graph Problem data structures graphs greedy trees *3500	0 / 0	10
	8434	P1873H Mad City dfs and similar dsu games graphs shortest paths trees *1700	0 / 0	5
	8567	P1876E Ball-Stackable constructive algorithms data structures dp trees	0 / 0	(无)
	8565	P1876G Clubstep binary search brute force data structures greedy trees	0 / 0	(无)
	8427	P1878G wxhtzdy ORO Tree binary search data structures dfs and similar divide and conquer trees	0 / 0	(无)
	8421	P1879E Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive math trees *2400	0 / 0	9
	8578	P1881F Minimum Maximum Distance dfs and similar dp graphs shortest paths trees	0 / 0	(无)
	8418	P1882D Tree XOR bitmasks dfs and similar dp greedy trees	0 / 0	(无)
	8586	P1887D Split binary search data structures divide and conquer dsu math trees two pointers	0 / 0	(无)
	8601	P1889D Game of Stacks dfs and similar graphs implementation trees	0 / 0	(无)
	8599	P1889E Doremy's Swapping Trees dfs and similar graphs trees	0 / 0	(无)
	8600	P1889F Doremy's Average Tree dp trees	0 / 0	(无)
	8618	P1891F A Growing Tree data structures dfs and similar trees	0 / 0	(无)
	8620	P1891F A Growing Tree data structures dfs and similar trees	0 / 0	(无)
	8719	P1899F Alex's whims constructive algorithms graphs greedy shortest paths trees *1600	0 / 0	5
	8718	P1899G Unusual Entertainment data structures dfs and similar dsu shortest paths sortings trees two pointers *1900	0 / 0	6
	8715	P1900C Anji's Binary Tree dfs and similar dp trees *1300	0 / 0	4
	8707	P1901E Compressed Tree dfs and similar dp graphs greedy sortings trees *2200	0 / 0	8
	8701	P1902E Collapsing Strings data structures strings trees *1900	0 / 0	6
	8699	P1902F Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees *2400	0 / 0	9
	8693	P1903F Babysitting 2-sat binary search data structures graphs trees *2500	0 / 0	9
	8688	P1904E Tree Queries data structures dfs and similar graphs implementation trees	0 / 0	(无)
	8686	P1904F Beautiful Tree data structures dfs and similar graphs implementation trees	0 / 0	(无)
	8684	P1905B Begginer's Zelda greedy trees	0 / 0	(无)
	8681	P1905E One-X combinatorics dfs and similar dp math trees	0 / 0	(无)
	8654	P1910F Build Railway Stations special problem greedy trees 2000	0 / 0	7
	8635	P1913D Array Collapse data structures divide and conquer dp trees	0 / 0	(无)

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