dfs and similar - 题库 - FJNU

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7749	P1670E Hemose on the Tree bitmasks constructive algorithms dfs and similar trees *2200	0 / 0	(无)
	7735	P1672F2 Checker for Array Shuffling constructive algorithms dfs and similar graphs *2800	0 / 0	(无)
	7719	P1674G Remove Directed Edges dfs and similar dp graphs *2000	0 / 0	(无)
	7713	P1675F Vlad and Unfinished Business dfs and similar dp greedy trees *1800	0 / 0	(无)
	7705	P1676G White-Black Balanced Subtrees dfs and similar dp graphs trees *1300	0 / 0	(无)
	7700	P1677C Tokitsukaze and Two Colorful Tapes constructive algorithms dfs and similar graphs greedy *1900	0 / 0	(无)
	7778	P1679D Toss a Coin to Your Graph... binary search dfs and similar dp graphs *1900	0 / 0	(无)
	7770	P1680F Lenient Vertex Cover dfs and similar divide and conquer dsu graphs trees *2600	0 / 0	(无)
	7783	P1682E Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings	0 / 0	(无)
	7859	P1685D1 Permutation Weight (Easy Version) constructive algorithms dfs and similar dsu *2800	0 / 0	(无)
	7843	P1689C Infected Tree dfs and similar dp trees *1600	0 / 0	(无)
	7841	P1689E ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs *2500	0 / 0	(无)
	7829	P1691E Number of Groups data structures dfs and similar dsu graphs greedy sortings *2300	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)
	7806	P1695E Ambiguous Dominoes constructive algorithms dfs and similar graphs	0 / 0	(无)
	7931	P1696F Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees *2600	0 / 0	(无)
	7906	P1702E Split Into Two Sets dfs and similar dsu graphs *1600	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)
	7972	P1712F Triameter binary search data structures dfs and similar trees *3200	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)
	7954	P1716E Swap and Maximum Block bitmasks data structures dfs and similar divide and conquer dp *2500	0 / 0	(无)
	8044	P1721D Maximum AND bitmasks dfs and similar divide and conquer greedy sortings *1800	0 / 0	(无)
	8043	P1721E Prefix Function Queries dfs and similar dp hashing string suffix structures strings trees *2200	0 / 0	(无)
	8042	P1721F Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive *2800	0 / 0	(无)
	8036	P1722F L-shapes dfs and similar implementation *1700	0 / 0	(无)
	8018	P1726D Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees *2000	0 / 0	(无)
	8083	P1735C Phase Shift dfs and similar dsu graphs greedy implementation strings *1400	0 / 0	4
	8076	P1738D Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees *1900	0 / 0	6
	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
	8156	P1749E Cactus Wall constructive algorithms dfs and similar graphs shortest paths *2400	0 / 0	9
	8155	P1749F Distance to the Path data structures dfs and similar trees *2800	0 / 0	10
	8142	P1753D The Beach constructive algorithms dfs and similar graphs shortest paths *2400	0 / 0	9
	8133	P1758E Tick, Tock combinatorics dfs and similar dsu graphs *2500	0 / 0	9
	8118	P1760G SlavicG's Favorite Problem bitmasks dfs and similar graphs *1700	0 / 0	5
	8115	P1761C Set Construction constructive algorithms dfs and similar graphs greedy *1400	0 / 0	4
	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
	8277	P1768D Lucky Permutation constructive algorithms dfs and similar graphs greedy	0 / 0	(无)
	8224	P1770D Koxia and Game binary search data structures dfs and similar dsu games graph matchings graphs implementation	0 / 0	(无)
	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
	8208	P1772F Copy of a Copy of a Copy constructive algorithms dfs and similar graphs implementation sortings *2000	0 / 0	7
	8202	P1774E Two Chess Pieces dfs and similar dp greedy trees *1900	0 / 0	6
	8262	P1783F Double Sort II dfs and similar flows graph matchings graphs	0 / 0	(无)
	8388	P1839E Decreasing Game constructive algorithms dfs and similar dp greedy interactive *2400	0 / 0	9
	8381	P1840F Railguns brute force dfs and similar dp graphs *2200	0 / 0	8
	8359	P1842F Tenzing and Tree dfs and similar greedy shortest paths sortings trees *2500	0 / 0	9
	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
	8337	P1844E Great Grids 2-sat constructive algorithms dfs and similar dsu graphs *2400	0 / 0	9
	8339	P1844E Great Grids 2-sat constructive algorithms dfs and similar dsu graphs *2400	0 / 0	9
	8334	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	10
	8310	P1847F The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings *2500	0 / 0	9
	8295	P1850H The Third Letter dfs and similar graphs greedy implementation	0 / 0	(无)
	8291	P1851E Nastya and Potions dfs and similar dp graphs shortest paths	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
	8523	P1863E Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers *2100	0 / 0	7
	8499	P1866C Completely Searching for Inversions dfs and similar dp graphs *1900	0 / 0	6
	8479	P1867D Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation *1800	0 / 0	6
	8480	P1867D Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation *1800	0 / 0	6
	8473	P1867F Most Different Tree brute force constructive algorithms dfs and similar greedy hashing *2700	0 / 0	10
	8474	P1867F Most Different Tree brute force constructive algorithms dfs and similar greedy hashing *2700	0 / 0	10
	8443	P1872F Selling a Menagerie dfs and similar dsu graphs implementation math *1800	0 / 0	6
	8434	P1873H Mad City dfs and similar dsu games graphs shortest paths trees *1700	0 / 0	5
	8570	P1876C Autosynthesis constructive algorithms dfs and similar dp graphs greedy sortings	0 / 0	(无)
	8568	P1876D Lexichromatography combinatorics dfs and similar dsu graphs two pointers	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)
	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)
	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)
	8610	P1895E Infinite Card Game binary search brute force data structures dfs and similar dsu games graphs greedy sortings two pointers	0 / 0	(无)
	8612	P1895E Infinite Card Game binary search brute force data structures dfs and similar dsu games graphs greedy sortings two pointers	0 / 0	(无)
	8726	P1898F Vova Escapes the Matrix brute force dfs and similar divide and conquer shortest paths *2600	0 / 0	10
	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
	8713	P1900E Transitive Graph dfs and similar dp dsu graphs implementation *2100	0 / 0	7
	8707	P1901E Compressed Tree dfs and similar dp graphs greedy sortings trees *2200	0 / 0	8
	8699	P1902F Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees *2400	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)
	8681	P1905E One-X combinatorics dfs and similar dp math trees	0 / 0	(无)
	8660	P1907G Lights brute force constructive algorithms dfs and similar graphs greedy implementation *2200	0 / 0	8
	8734	P1914F Programming Competition dfs and similar dp graph matchings greedy trees	0 / 0	(无)
	8732	P1914G1 Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math	0 / 0	(无)

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