graphs - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
625	P1777E Edge Reverse binary search dfs and similar graphs trees *2200	0 / 0	8
618	P1778F Maximizing Root dfs and similar dp graphs math number theory trees *2600	0 / 0	10
613	P1779E Anya's Simultaneous Exhibition constructive algorithms graphs greedy interactive sortings *2400	0 / 0	9
611	P1779G The Game of the Century constructive algorithms graphs shortest paths *3000	0 / 0	10
589	P1783F Double Sort II dfs and similar flows graph matchings graphs *2500	0 / 0	9
575	P1787D Game on Axis combinatorics dfs and similar dsu graphs implementation *1900	0 / 0	6
564	P1788F XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees *2500	0 / 0	9
552	P1790F Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees *2100	0 / 0	7
551	P1790G Tokens on Graph constructive algorithms dfs and similar graphs shortest paths *2300	0 / 0	8
537	P1792F1 Graph Coloring (easy version) combinatorics dp graphs *2700	0 / 0	10
536	P1792F2 Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs *2900	0 / 0	10
518	P1795G Removal Sequences bitmasks dfs and similar graphs *2700	0 / 0	10
511	P1797A Li Hua and Maze constructive algorithms flows graphs greedy implementation *800	0 / 0	3
485	P1800E1 Unforgivable Curse (easy version) brute force constructive algorithms dsu graphs greedy strings *1400	0 / 0	4
484	P1800E2 Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings *1500	0 / 0	5
478	P1801D The way home binary search data structures dp graphs greedy shortest paths sortings *2100	0 / 0	7
468	P1804E Routing bitmasks brute force dfs and similar dp graphs *2400	0 / 0	9
467	P1804F Approximate Diameter binary search divide and conquer graphs shortest paths *2700	0 / 0	10
461	P1805D A Wide, Wide Graph dfs and similar dp graphs greedy trees *1800	0 / 0	6
430	P1809F Traveling in Berland binary search data structures graphs greedy implementation *2500	0 / 0	9
424	P1810E Monsters brute force data structures dfs and similar dsu graphs greedy *2100	0 / 0	7
415	P1811F Is It Flower? dfs and similar graphs implementation *2100	0 / 0	7
395	P1815B Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees *2000	0 / 0	7
394	P1815C Between constructive algorithms dfs and similar graphs greedy *2200	0 / 0	8
391	P1815F OH NO1 (-2-3-4) constructive algorithms graphs math *3500	0 / 0	10
387	P1817B Fish Graph brute force constructive algorithms dfs and similar graphs *1900	0 / 0	6
361	P1822F Gardening Friends brute force dfs and similar dp graphs trees *1700	0 / 0	5
354	P1823E Removing Graph brute force dp games graphs math *2500	0 / 0	9
353	P1823F Random Walk dp graphs math probabilities trees *2600	0 / 0	10
340	P1826E Walk the Runway bitmasks brute force data structures dp graphs implementation sortings *2400	0 / 0	9
325	P1829E The Lakes dfs and similar dsu graphs implementation *1100	0 / 0	3
324	P1829F Forever Winter dfs and similar graphs math *1300	0 / 0	4
321	P1830A Copil Copac Draws Trees dfs and similar dp graphs trees *1400	0 / 0	4
302	P1833E Round Dance dfs and similar dsu graphs shortest paths *1600	0 / 0	5
290	P1835D Doctor's Brown Hypothesis dfs and similar graphs math number theory *2900	0 / 0	10
288	P1835F Good Graph bitmasks dfs and similar graph matchings graphs implementation *3500	0 / 0	10
263	P1840F Railguns brute force dfs and similar dp graphs *2200	0 / 0	8
251	P1842D Tenzing and His Animal Friends constructive algorithms graphs greedy *1900	0 / 0	6
247	P1842H Tenzing and Random Real Numbers bitmasks dp graphs math probabilities *3000	0 / 0	10
240	P1843F1 Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees *1800	0 / 0	6
234	P1844E Great Grids 2-sat constructive algorithms dfs and similar dsu graphs *2400	0 / 0	9
216	P1846G Rudolf and CodeVid-23 bitmasks dp graphs greedy shortest paths *1900	0 / 0	6
190	P1850H The Third Letter dfs and similar dsu graphs greedy implementation *1700	0 / 0	5
185	P1851E Nastya and Potions dfs and similar dp graphs sortings *1500	0 / 0	5
183	P1851G Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers *2000	0 / 0	7
181	P1852B Imbalanced Arrays constructive algorithms graphs greedy math sortings two pointers *1800	0 / 0	6
153	P1857G Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees *2000	0 / 0	7
141	P1859F Teleportation in Byteland data structures dfs and similar divide and conquer graphs shortest paths trees *3200	0 / 0	10
136	P1860E Fast Travel Text Editor data structures dfs and similar graphs shortest paths *2400	0 / 0	9
117	P1863E Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers *2100	0 / 0	7
115	P1863G Swaps combinatorics dp graphs math *2800	0 / 0	10
104	P1864I Future Dominators graphs greedy *3500	0 / 0	10
101	P1866C Completely Searching for Inversions dfs and similar dp graphs *1900	0 / 0	6
93	P1866K Keen Tree Calculation binary search data structures dp geometry graphs implementation trees *2500	0 / 0	9
87	P1867D Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation *1800	0 / 0	6
82	P1868B1 Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math *1700	0 / 0	5
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
61	P1872F Selling a Menagerie dfs and similar dsu graphs implementation math *1800	0 / 0	6
52	P1873H Mad City dfs and similar dsu games graphs shortest paths trees *1700	0 / 0	5
50	P1874B Jellyfish and Math bitmasks brute force dfs and similar dp graphs shortest paths	0 / 0	(无)
49	P1874C Jellyfish and EVA dp graphs greedy math probabilities	0 / 0	(无)
39	P1876C Autosynthesis constructive algorithms dfs and similar graphs greedy sortings	0 / 0	(无)
38	P1876D Lexichromatography combinatorics dfs and similar dsu graphs two pointers	0 / 0	(无)
36	P1876F Indefinite Clownfish binary search graphs	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)
7394	P1887B Time Travel graphs implementation shortest paths	0 / 0	(无)
7391	P1887E Good Colorings graphs interactive	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)
8998	P1893A Anonymous Informant brute force dfs and similar graphs implementation *1400	0 / 0	4
8994	P1893E Cacti Symphony combinatorics dfs and similar dp graphs *3500	0 / 0	10
8987	P1895E Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers *2300	0 / 0	8
9000	P1899F Alex's whims constructive algorithms graphs greedy shortest paths trees	0 / 0	(无)
9019	P1900E Transitive Graph constructive algorithms dfs and similar dp graphs implementation	0 / 0	(无)
9013	P1901E Compressed Tree dfs and similar dp graphs greedy sortings trees *2200	0 / 0	8
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)
9061	P1907G Lights brute force constructive algorithms dfs and similar graphs greedy implementation *2200	0 / 0	8
9043	P1912H Hypercatapult Commute graphs *2400	0 / 0	9
9034	P1913E Matrix Problem flows graph matchings graphs	0 / 0	(无)
9108	P1914G1 Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math	0 / 0	(无)
9107	P1914G2 Light Bulbs (Hard Version) combinatorics data structures dfs and similar dp dsu graphs hashing	0 / 0	(无)
9131	P1915G Bicycles graphs greedy implementation shortest paths sortings *1800	0 / 0	6
9125	P1916F Group Division constructive algorithms dfs and similar graphs greedy *2900	0 / 0	10
9187	P1918F Caterpillar on a Tree data structures dfs and similar dp graphs greedy implementation trees *2500	0 / 0	9
9171	P1920F1 Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths *2500	0 / 0	9
9170	P1920F2 Smooth Sailing (Hard Version) binary search data structures dsu geometry graphs trees *3000	0 / 0	10
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
9224	P1928E Modular Sequence brute force constructive algorithms dp graphs greedy math number theory *2300	0 / 0	8
9218	P1929E Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees *2300	0 / 0	8
9201	P1931F Chat Screenshots combinatorics dfs and similar graphs *1700	0 / 0	5
9193	P1932G Moving Platforms graphs math number theory shortest paths	0 / 0	(无)
9258	P1933F Turtle Mission: Robot and the Earthquake dfs and similar dp graphs shortest paths	0 / 0	(无)
9254	P1936C Pokémon Arena data structures graphs shortest paths	0 / 0	(无)
9264	P1941G Rudolf and Subway dfs and similar graphs shortest paths	0 / 0	(无)

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