ID	题目显示标签隐藏标签	AC / 尝试	难度
138	P1821C Tear It Apart brute force implementation math strings *1300	0 / 0	普及-
134	P1822A TubeTube Feed brute force implementation *800	0 / 0	普及-
120	P1824A LuoTianyi and the Show greedy implementation *1400	0 / 0	普及-
112	P1826A Trust Nobody brute force greedy implementation sortings *1200	0 / 0	普及-
108	P1826E Walk the Runway bitmasks brute force data structures dp graphs implementation sortings *2400	0 / 0	NOI
97	P1829A Love Story implementation strings *800	0 / 0	普及-
96	P1829B Blank Space implementation *800	0 / 0	普及-
95	P1829C Mr bitmasks greedy implementation *800	0 / 0	普及-
94	P1829D Gold Rush brute force dfs and similar dp implementation *1000	0 / 0	普及-
93	P1829E The Lakes dfs and similar dsu graphs implementation *1100	0 / 0	普及-
91	P1829G Hits Different data structures dp implementation math *1600	0 / 0	普及
79	P1832C Contrast Value greedy implementation *1200	0 / 0	普及-
78	P1832D1 Red-Blue Operations (Easy Version) binary search greedy implementation math *2100	0 / 0	提高
77	P1832D2 Red-Blue Operations (Hard Version) binary search constructive algorithms greedy implementation math *2400	0 / 0	NOI
74	P1833A Musical Puzzle implementation strings *800	0 / 0	普及-
69	P1833F Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers *1700	0 / 0	普及
68	P1833G Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees *1800	0 / 0	普及
64	P1834D Survey in Class brute force data structures greedy implementation sortings *1900	0 / 0	普及
63	P1834E MEX of LCM binary search data structures implementation math number theory *2300	0 / 0	省选
61	P1835A k-th equality brute force implementation math *1700	0 / 0	普及
56	P1835F Good Graph bitmasks dfs and similar graph matchings graphs implementation *3500	0 / 0	CTSC
55	P1836A Destroyer implementation sortings *800	0 / 0	普及-
48	P1837F Editorial for Two binary search data structures greedy implementation *2400	0 / 0	NOI
41	P1839A The Good Array greedy implementation math *800	0 / 0	普及-
36	P1840A Cipher Shifer implementation strings two pointers *800	0 / 0	普及-
32	P1840E Character Blocking data structures hashing implementation *1600	0 / 0	普及
27	P1841B Keep it Beautiful implementation *1000	0 / 0	普及-
490	P1844C Particles dp greedy implementation math *1300	0 / 0	普及-
485	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	CTSC
6	P1845A Forbidden Integer constructive algorithms implementation math	0 / 0	暂无评定
5	P1845B Come Together geometry implementation math	0 / 0	暂无评定
2	P1845E Boxes and Balls brute force dp implementation math	0 / 0	暂无评定
483	P1846A Rudolph and Cut the Rope implementation math *800	0 / 0	普及-
482	P1846B Rudolph and Tic-Tac-Toe brute force implementation strings *800	0 / 0	普及-
479	P1846E1 Rudolf and Snowflakes (simple version) brute force implementation math *1300	0 / 0	普及-
478	P1846E2 Rudolf and Snowflakes (hard version) binary search brute force implementation math *1800	0 / 0	普及
477	P1846F Rudolph and Mimic constructive algorithms implementation interactive *1800	0 / 0	普及
428	P1847D Professor Higashikata data structures dsu greedy implementation strings	0 / 0	暂无评定
427	P1847E Triangle Platinum? brute force combinatorics implementation interactive math probabilities	0 / 0	暂无评定
475	P1848B Vika and the Bridge binary search data structures greedy implementation math sortings *1200	0 / 0	普及-
472	P1848E Vika and Stone Skipping brute force implementation math number theory *2600	0 / 0	CTSC
470	P1849A Morning Sandwich implementation math	0 / 0	暂无评定
467	P1849D Array Painting brute force constructive algorithms dp greedy implementation two pointers	0 / 0	暂无评定
464	P1850A To My Critics implementation sortings *800	0 / 0	普及-
463	P1850B Ten Words of Wisdom implementation sortings *800	0 / 0	普及-
462	P1850C Word on the Paper implementation strings *800	0 / 0	普及-
461	P1850D Balanced Round brute force greedy implementation sortings *900	0 / 0	普及-
460	P1850E Cardboard for Pictures binary search geometry implementation math *1100	0 / 0	普及-
459	P1850F We Were Both Children brute force implementation math number theory *1300	0 / 0	普及-
458	P1850G The Morning Star combinatorics data structures geometry implementation math sortings *1500	0 / 0	普及
457	P1850H The Third Letter dfs and similar dsu graphs greedy implementation *1700	0 / 0	普及
453	P1851D Prefix Permutation Sums implementation math	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
440	P1854A2 Dual (Hard Version) constructive algorithms implementation math	0 / 0	暂无评定
1838	P1856A Tales of a Sort binary search implementation	0 / 0	暂无评定
1837	P1856B Good Arrays constructive algorithms implementation math	0 / 0	暂无评定
1833	P1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft implementation trees	0 / 0	暂无评定
2692	P1857B Maximum Rounding greedy implementation math	0 / 0	暂无评定
7738	P1858B The Walkway brute force dp greedy implementation math number theory *1500	0 / 0	普及
7726	P1860B Fancy Coins binary search brute force greedy implementation math	0 / 0	暂无评定
8848	P1861A Prime Deletion constructive algorithms implementation	0 / 0	暂无评定
8846	P1861C Queries for the Array data structures dfs and similar implementation strings trees	0 / 0	暂无评定
8824	P1862A Gift Carpet greedy implementation strings	0 / 1	暂无评定
8822	P1862C Flower City Fence binary search implementation sortings	0 / 0	暂无评定
8842	P1863A Channel greedy implementation	0 / 0	暂无评定
8840	P1863C MEX Repetition implementation math	0 / 0	暂无评定
8833	P1864A Increasing and Decreasing constructive algorithms implementation math	0 / 0	暂无评定
8828	P1864F Exotic Queries data structures implementation sortings	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
8864	P1868A Fill in the Matrix constructive algorithms 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
8861	P1868C Travel Plan combinatorics dp implementation math trees	0 / 0	暂无评定
8860	P1868D Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	0 / 0	暂无评定
8858	P1868F LIS? data structures greedy implementation	0 / 0	暂无评定
8910	P1870C Colorful Table binary search data structures dp implementation math two pointers *1300	0 / 0	普及-
8909	P1870D Prefix Purchase greedy implementation sortings *1800	0 / 0	普及
8854	P1872B The Corridor or There and Back Again greedy implementation	0 / 0	暂无评定
8850	P1872F Selling a Menagerie dfs and similar dsu graphs implementation math	0 / 0	暂无评定
8904	P1873A Short Sort brute force implementation *800	0 / 0	普及-
8902	P1873C Target Practice implementation math *800	0 / 0	普及-
8901	P1873D 1D Eraser greedy implementation two pointers *800	0 / 0	普及-
8951	P1874A Jellyfish and Game brute force games greedy implementation	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
8930	P1881C Perfect Square brute force implementation	0 / 0	暂无评定
8926	P1881G Anya and the Mysterious String binary search data structures implementation	0 / 0	暂无评定
8986	P1884E Hard Design greedy implementation math *2800	0 / 0	CTSC
8980	P1889A Qingshan Loves Strings 2 constructive algorithms greedy implementation *1300	0 / 0	普及-
8976	P1889D Game of Stacks brute force dfs and similar graphs implementation trees *3000	0 / 0	CTSC
8972	P1890B Qingshan Loves Strings constructive algorithms implementation *800	0 / 0	普及-
8967	P1891E Brukhovich and Exams brute force greedy implementation math sortings *2500	0 / 0	NOI
8965	P1893A Anonymous Informant brute force dfs and similar graphs implementation *1400	0 / 0	普及-
8963	P1893C Freedom of Choice brute force greedy implementation *2000	0 / 0	提高
8960	P1894A Secret Sport implementation strings *800	0 / 0	普及-
8956	P1895C Torn Lucky Ticket brute force dp hashing implementation math *1400	0 / 0	普及-
9097	P1907G Lights brute force constructive algorithms dfs and similar graphs greedy implementation *2200	0 / 0	省选
9096	P1909A Distinct Buttons implementation math *800	0 / 0	普及-
9086	P1910A Username special problem implementation 1100	0 / 0	普及-
9084	P1910C Poisonous Swamp special problem special problem implementation implementation *1600	0 / 0	普及

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