题库 - trees - 南阳理工学院OJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7766	P1714G Path Prefixes binary search data structures dfs and similar trees *1700	0 / 0	(无)
	7807	P1718D Permutation for Burenka greedy math trees	0 / 0	(无)
	7814	P1720D1 Xor-Subsequence (easy version) bitmasks brute force dp strings trees	0 / 0	(无)
	7813	P1720D2 Xor-Subsequence (hard version) bitmasks data structures dp strings trees	0 / 0	(无)
	7832	P1721E Prefix Function Queries dfs and similar dp hashing string suffix structures strings trees *2200	0 / 0	(无)
	7860	P1725E Electrical Efficiency combinatorics data structures dp math number theory trees *2500	0 / 0	(无)
	7856	P1725I Imitating the Key Tree combinatorics dsu trees *2800	0 / 0	(无)
	7855	P1725J Journey dp trees *2500	0 / 0	(无)
	7848	P1726D Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees *2000	0 / 0	(无)
	7906	P1738D Permutation Addicts constructive algorithms dfs and similar dsu graphs trees	0 / 0	(无)
	7904	P1738F Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths sortings trees	0 / 0	(无)
	7880	P1739D Reset K Edges binary search dfs and similar graphs greedy trees	0 / 0	(无)
	7988	P1740E Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees *1800	0 / 0	6
	7985	P1740H MEX Tree Manipulation data structures trees *3300	0 / 0	10
	7933	P1741D Masha and a Beautiful Tree dfs and similar divide and conquer graphs sortings trees *1300	0 / 0	(无)
	7947	P1746D Paths on the Tree dfs and similar dp greedy sortings trees *1900	0 / 0	(无)
	8007	P1748E Yet Another Array Counting Problem combinatorics data structures divide and conquer dp trees *2300	0 / 0	8
	7965	P1749F Distance to the Path data structures dfs and similar trees	0 / 0	(无)
	8039	P1761E Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers *2400	0 / 0	9
	8036	P1761G Centroid Guess interactive probabilities trees *3500	0 / 0	10
	8030	P1764F Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings trees *2500	0 / 0	9
	8078	P1771D Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees	0 / 0	(无)
	8076	P1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	0 / 0	(无)
	8074	P1773B BinCoin divide and conquer hashing implementation probabilities trees *2200	0 / 0	8
	8184	P1833G Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees *1800	0 / 0	6
	8165	P1837E Playoff Fixing combinatorics trees *2200	0 / 0	8
	8133	P1842F Tenzing and Tree dfs and similar greedy shortest paths sortings trees *2500	0 / 0	9
	8127	P1843C Sum in Binary Tree bitmasks combinatorics math trees *800	0 / 0	3
	8126	P1843D Apple Tree combinatorics dfs and similar dp math trees *1200	0 / 0	4
	8124	P1843F1 Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees *1800	0 / 0	6
	8123	P1843F2 Omsk Metro (hard version) data structures dfs and similar divide and conquer dp math trees *2300	0 / 0	8
	8115	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	0 / 0	(无)
	8220	P1849F XOR Partition binary search bitmasks data structures divide and conquer dsu greedy sortings trees	0 / 0	(无)
	8214	P1851F Lisa and the Martians bitmasks greedy math strings trees	0 / 0	(无)
	8213	P1851G Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	0 / 0	(无)
	8208	P1854D Michael and Hotel interactive trees	0 / 0	(无)
	8259	P1856E1 PermuTree (easy version) dfs and similar dp trees *1800	0 / 0	6
	8258	P1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees *2700	0 / 0	10
	8254	P1857D Strong Vertices math sortings trees *1300	0 / 0	4
	8251	P1857G Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees *2000	0 / 0	7
	8246	P1858E1 Rollbacks (Easy Version) brute force data structures dfs and similar trees *2500	0 / 0	9
	8245	P1858E2 Rollbacks (Hard Version) data structures interactive trees *2600	0 / 0	10
	8239	P1859F Teleportation in Byteland data structures dfs and similar divide and conquer graphs shortest paths trees *3200	0 / 0	10
	8298	P1861C Queries for the Array data structures dfs and similar implementation strings trees	0 / 0	(无)
	8287	P1863H Goldberg Machine 3 dp trees	0 / 0	(无)
	8286	P1863I Redundant Routes constructive algorithms dp trees	0 / 0	(无)
	8268	P1864E Guess Game bitmasks constructive algorithms data structures games math strings trees	0 / 0	(无)
	8275	P1866K Keen Tree Calculation binary search data structures dp geometry trees	0 / 0	(无)
	8313	P1868C Travel Plan combinatorics dp implementation math trees	0 / 0	(无)
	8312	P1868D Flower-like Pseudotree constructive algorithms graphs implementation trees	0 / 0	(无)

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