ID	题目显示标签隐藏标签	AC / 尝试	难度
376	P1778F Maximizing Root dfs and similar dp graphs math number theory trees *2600	0 / 0	CTSC
371	P1779E Anya's Simultaneous Exhibition constructive algorithms graphs greedy interactive sortings *2400	0 / 0	NOI
369	P1779G The Game of the Century constructive algorithms graphs shortest paths *3000	0 / 0	CTSC
347	P1783F Double Sort II dfs and similar flows graph matchings graphs *2500	0 / 0	NOI
333	P1787D Game on Axis combinatorics dfs and similar dsu graphs implementation *1900	0 / 0	普及
322	P1788F XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees *2500	0 / 0	NOI
310	P1790F Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees *2100	0 / 0	提高
309	P1790G Tokens on Graph constructive algorithms dfs and similar graphs shortest paths *2300	0 / 0	省选
295	P1792F1 Graph Coloring (easy version) combinatorics dp graphs *2700	0 / 0	CTSC
294	P1792F2 Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs *2900	0 / 0	CTSC
276	P1795G Removal Sequences bitmasks dfs and similar graphs *2700	0 / 0	CTSC
269	P1797A Li Hua and Maze constructive algorithms flows graphs greedy implementation *800	0 / 0	普及-
243	P1800E1 Unforgivable Curse (easy version) brute force constructive algorithms dsu graphs greedy strings *1400	0 / 0	普及-
242	P1800E2 Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings *1500	0 / 0	普及
236	P1801D The way home binary search data structures dp graphs greedy shortest paths sortings *2100	0 / 0	提高
226	P1804E Routing bitmasks brute force dfs and similar dp graphs *2400	0 / 0	NOI
225	P1804F Approximate Diameter binary search divide and conquer graphs shortest paths *2700	0 / 0	CTSC
219	P1805D A Wide, Wide Graph dfs and similar dp graphs greedy trees *1800	0 / 0	普及
188	P1809F Traveling in Berland binary search data structures graphs greedy implementation *2500	0 / 0	NOI
182	P1810E Monsters brute force data structures dfs and similar dsu graphs greedy *2100	0 / 0	提高
173	P1811F Is It Flower? dfs and similar graphs implementation *2100	0 / 0	提高
163	P1815B Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees *2000	0 / 0	提高
162	P1815C Between constructive algorithms dfs and similar graphs greedy *2200	0 / 0	省选
159	P1815F OH NO1 (-2-3-4) constructive algorithms graphs math *3500	0 / 0	CTSC
155	P1817B Fish Graph brute force constructive algorithms dfs and similar graphs *1900	0 / 0	普及
129	P1822F Gardening Friends brute force dfs and similar dp graphs trees *1700	0 / 0	普及
122	P1823E Removing Graph brute force dp games graphs math *2500	0 / 0	NOI
121	P1823F Random Walk dp graphs math probabilities trees *2600	0 / 0	CTSC
108	P1826E Walk the Runway bitmasks brute force data structures dp graphs implementation sortings *2400	0 / 0	NOI
93	P1829E The Lakes dfs and similar dsu graphs implementation *1100	0 / 0	普及-
92	P1829F Forever Winter dfs and similar graphs math *1300	0 / 0	普及-
89	P1830A Copil Copac Draws Trees dfs and similar dp graphs trees *1400	0 / 0	普及-
70	P1833E Round Dance dfs and similar dsu graphs shortest paths *1600	0 / 0	普及
58	P1835D Doctor's Brown Hypothesis dfs and similar graphs math number theory *2900	0 / 0	CTSC
56	P1835F Good Graph bitmasks dfs and similar graph matchings graphs implementation *3500	0 / 0	CTSC
31	P1840F Railguns brute force dfs and similar dp graphs *2200	0 / 0	省选
19	P1842D Tenzing and His Animal Friends constructive algorithms graphs greedy *1900	0 / 0	普及
15	P1842H Tenzing and Random Real Numbers bitmasks dp graphs math probabilities *3000	0 / 0	CTSC
8	P1843F1 Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees *1800	0 / 0	普及
488	P1844E Great Grids 2-sat constructive algorithms dfs and similar dsu graphs *2400	0 / 0	NOI
432	P1846G Rudolf and CodeVid-23 bitmasks dp graphs greedy shortest paths	0 / 0	暂无评定
457	P1850H The Third Letter dfs and similar dsu graphs greedy implementation *1700	0 / 0	普及
452	P1851E Nastya and Potions dfs and similar dp graphs sortings	0 / 0	暂无评定
450	P1851G Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	0 / 0	暂无评定
448	P1852B Imbalanced Arrays constructive algorithms graphs greedy math sortings two pointers *1800	0 / 0	普及
2687	P1857G Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	0 / 0	暂无评定
7728	P1859F Teleportation in Byteland data structures dfs and similar divide and conquer graphs shortest paths trees *3200	0 / 0	CTSC
7723	P1860E Fast Travel Text Editor dfs and similar graphs shortest paths	0 / 0	暂无评定
8838	P1863E Speedrun brute force data structures dfs and similar dp graphs sortings	0 / 0	暂无评定
8836	P1863G Swaps combinatorics graphs math	0 / 0	暂无评定
8825	P1864I Future Dominators graphs greedy	0 / 0	暂无评定
8882	P1866C Completely Searching for Inversions dfs and similar dp graphs	0 / 0	暂无评定
8874	P1866K Keen Tree Calculation binary search data structures dp geometry graphs implementation trees	0 / 0	暂无评定
8868	P1867D Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	0 / 0	暂无评定
8863	P1868B1 Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math	0 / 0	暂无评定
8862	P1868B2 Candy Party (Hard Version) bitmasks combinatorics constructive algorithms dp graphs greedy implementation math	0 / 0	暂无评定
8860	P1868D Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	0 / 0	暂无评定
8905	P1870H Standard Graph Problem data structures graphs greedy trees *3500	0 / 0	CTSC
8850	P1872F Selling a Menagerie dfs and similar dsu graphs implementation math	0 / 0	暂无评定
8897	P1873H Mad City dfs and similar dsu games graphs shortest paths trees *1700	0 / 0	普及
8950	P1874B Jellyfish and Math bitmasks brute force dfs and similar dp graphs shortest paths	0 / 0	暂无评定
8949	P1874C Jellyfish and EVA dp graphs greedy math probabilities	0 / 0	暂无评定
8939	P1876C Autosynthesis constructive algorithms dfs and similar graphs greedy sortings	0 / 0	暂无评定
8938	P1876D Lexichromatography combinatorics dfs and similar dsu graphs two pointers	0 / 0	暂无评定
8936	P1876F Indefinite Clownfish binary search graphs	0 / 0	暂无评定
8892	P1879E Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive math trees *2400	0 / 0	NOI
8927	P1881F Minimum Maximum Distance dfs and similar dp graphs shortest paths trees	0 / 0	暂无评定
8985	P1887B Time Travel binary search graphs shortest paths *1900	0 / 0	普及
8982	P1887E Good Colorings binary search constructive algorithms graphs interactive *3100	0 / 0	CTSC
8976	P1889D Game of Stacks brute force dfs and similar graphs implementation trees *3000	0 / 0	CTSC
8975	P1889E Doremy's Swapping Trees dfs and similar graphs trees *3500	0 / 0	CTSC
8965	P1893A Anonymous Informant brute force dfs and similar graphs implementation *1400	0 / 0	普及-
8961	P1893E Cacti Symphony combinatorics dfs and similar dp graphs *3500	0 / 0	CTSC
8954	P1895E Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers *2300	0 / 0	省选
9097	P1907G Lights brute force constructive algorithms dfs and similar graphs greedy implementation *2200	0 / 0	省选
9069	P1912H Hypercatapult Commute graphs *2400	0 / 0	NOI
9060	P1913E Matrix Problem flows graphs *2400	0 / 0	NOI
9051	P1914G1 Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees *2100	0 / 0	提高
9050	P1914G2 Light Bulbs (Hard Version) combinatorics data structures dfs and similar dp graphs hashing *2300	0 / 0	省选
9043	P1915G Bicycles graphs greedy implementation shortest paths sortings *1800	0 / 0	普及
9037	P1916F Group Division constructive algorithms dfs and similar graphs greedy *2900	0 / 0	CTSC
9013	P1920F1 Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths *2500	0 / 0	NOI
9012	P1920F2 Smooth Sailing (Hard Version) binary search data structures dsu geometry graphs trees *3000	0 / 0	CTSC
9197	P1941G Rudolf and Subway constructive algorithms dfs and similar graphs shortest paths *2000	0 / 0	提高
9179	P1944A Destroying Bridges graphs greedy math *800	0 / 0	普及-
9161	P1948C Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths *1300	0 / 0	普及-
9159	P1948E Clique Partition brute force constructive algorithms graphs greedy implementation *2100	0 / 0	提高
9150	P1949G Scooter graphs greedy	0 / 0	暂无评定
9148	P1949I Disks dfs and similar geometry graph matchings graphs	0 / 0	暂无评定
9147	P1949J Amanda the Amoeba graphs implementation trees two pointers	0 / 0	暂无评定
9139	P1950G Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	0 / 0	暂无评定
9130	P1951I Growing Trees binary search constructive algorithms flows graphs greedy	0 / 0	暂无评定
9099	P1956F Nene and the Passing Game constructive algorithms data structures dsu graphs sortings	0 / 0	暂无评定
9287	P1970G2 Min-Fund Prison (Medium) brute force dfs and similar dp graphs trees *2200	0 / 0	省选
9286	P1970G3 Min-Fund Prison (Hard) bitmasks dfs and similar dp graphs trees *2400	0 / 0	NOI
9278	P1971H ±1 2-sat dfs and similar graphs *2100	0 / 0	提高
9271	P1973E Cat, Fox and Swaps graphs math sortings *2500	0 / 0	NOI
9243	P1977E Tensor constructive algorithms graphs interactive *2600	0 / 0	CTSC
9237	P1978F Large Graph data structures dfs and similar dsu graphs number theory	0 / 0	暂无评定
9231	P1979F Kostyanych's Theorem brute force constructive algorithms graphs interactive *2900	0 / 0	CTSC

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