	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5167	P475A Bayan Bus implementation *1100	0 / 0	(无)
	5166	P475B Strongly Connected City brute force dfs and similar graphs implementation *1400	0 / 0	(无)
	5161	P476A Dreamoon and Stairs implementation math *1000	0 / 0	(无)
	5154	P478A Initial Bet implementation *1100	0 / 0	(无)
	5148	P479B Towers brute force constructive algorithms greedy implementation sortings *1400	0 / 0	(无)
	5146	P479D Long Jumps binary search greedy implementation *1700	0 / 0	(无)
	5137	P483A Counterexample brute force implementation math number theory *1100	0 / 0	(无)
	5133	P484C Strange Sorting implementation math *2600	0 / 0	(无)
	5130	P485A Factory implementation math matrices *1400	0 / 0	(无)
	5128	P486A Calculating Function implementation math *800	0 / 0	(无)
	5127	P486B OR in Matrix greedy hashing implementation *1300	0 / 0	(无)
	5126	P486C Palindrome Transformation brute force greedy implementation *1700	0 / 0	(无)
	5123	P487A Fight the Monster binary search brute force implementation *1800	0 / 0	(无)
	5116	P489A SwapSort greedy implementation sortings *1200	0 / 0	(无)
	5114	P489C Given Length and Sum of Digits... dp greedy implementation *1400	0 / 0	(无)
	5110	P490A Team Olympiad greedy implementation sortings *800	0 / 0	(无)
	5109	P490B Queue dsu implementation *1500	0 / 0	(无)
	5106	P490E Restoring Increasing Sequence binary search brute force greedy implementation *2000	0 / 0	(无)
	5104	P491A Up the hill constructive algorithms implementation *1000	0 / 0	(无)
	5101	P492A Vanya and Cubes implementation *800	0 / 0	(无)
	5100	P492B Vanya and Lanterns binary search implementation math sortings *1200	0 / 0	(无)
	5098	P492D Vanya and Computer Game binary search implementation math sortings *1800	0 / 0	(无)
	5096	P493A Vasya and Football implementation *1300	0 / 0	(无)
	5095	P493B Vasya and Wrestling implementation *1400	0 / 0	(无)
	5094	P493C Vasya and Basketball binary search brute force data structures implementation sortings two pointers *1600	0 / 0	(无)
	5086	P495A Digital Counter implementation *1100	0 / 0	(无)
	5084	P496A Minimum Difficulty brute force implementation math *900	0 / 0	(无)
	5083	P496B Secret Combination brute force constructive algorithms implementation *1500	0 / 0	(无)
	5082	P496C Removing Columns brute force constructive algorithms implementation *1500	0 / 0	(无)
	5072	P499A Watching a movie greedy implementation *1000	0 / 0	(无)
	5071	P499B Lecture implementation strings *1000	0 / 0	(无)
	5070	P500A New Year Transportation dfs and similar graphs implementation *1000	0 / 0	(无)
	5068	P500C New Year Book Reading constructive algorithms greedy implementation math *1600	0 / 0	(无)
	5063	P501A Contest implementation *900	0 / 0	(无)
	5059	P501E Misha and Palindrome Degree binary search combinatorics implementation *2500	0 / 0	(无)
	5056	P505A Mr brute force implementation strings *1100	0 / 0	(无)
	5049	P507A Amr and Music greedy implementation sortings *1000	0 / 0	(无)
	5047	P507C Guess Your Way Out! implementation math trees *1700	0 / 0	(无)
	5046	P507D The Maths Lecture dp implementation *2200	0 / 0	(无)
	5039	P509A Maximum in Table brute force implementation *800	0 / 0	(无)
	5038	P509B Painting Pebbles constructive algorithms greedy implementation *1300	0 / 0	(无)
	5037	P509C Sums of Digits dp greedy implementation *2000	0 / 0	(无)
	5033	P510A Fox And Snake implementation *800	0 / 0	(无)
	5013	P514A Chewbaсca and Number greedy implementation *1200	0 / 0	(无)
	5012	P514B Han Solo and Lazer Gun brute force data structures geometry implementation math *1400	0 / 0	(无)
	5000	P518B Tanya and Postcard greedy implementation strings *1400	0 / 0	(无)
	4999	P518C Anya and Smartphone constructive algorithms data structures implementation *1600	0 / 0	(无)
	4997	P518E Arthur and Questions greedy implementation math ternary search *2200	0 / 0	(无)
	4996	P518F Pasha and Pipe binary search brute force combinatorics dp implementation *2300	0 / 0	(无)
	4995	P519A A and B and Chess implementation *900	0 / 0	(无)
	4994	P519B A and B and Compilation Errors data structures implementation sortings *1100	0 / 0	(无)
	4993	P519C A and B and Team Training greedy implementation math number theory *1300	0 / 0	(无)
	4990	P520A Pangram implementation strings *800	0 / 0	(无)
	4989	P520B Two Buttons dfs and similar graphs greedy implementation math shortest paths *1400	0 / 0	(无)
	4987	P520D Cubes games greedy implementation *2100	0 / 0	(无)
	4982	P522B Photo to Remember special problem data structures dp implementation 1100	0 / 0	(无)
	4979	P523A Rotate, Flip and Zoom special problem implementation 1200	0 / 0	(无)
	4978	P523B Mean Requests special problem implementation 1500	0 / 0	(无)
	4976	P523D Statistics of Recompressing Videos special problem data structures implementation 1600	0 / 0	(无)
	4975	P524A Возможно, вы знаете этих людей? implementation *1600	0 / 0	(无)
	4964	P526A King of Thieves brute force implementation *1300	0 / 0	(无)
	4963	P526B Om Nom and Dark Park dfs and similar greedy implementation *1400	0 / 0	(无)
	4960	P526E Transmitting Levels dp implementation *2400	0 / 0	(无)
	4957	P527A Playing with Paper implementation math *1100	0 / 0	(无)
	4955	P527C Glass Carving binary search data structures implementation *1500	0 / 0	(无)
	4954	P527D Clique Problem data structures dp greedy implementation sortings *1800	0 / 0	(无)
	4938	P533C Board Game games greedy implementation math *1700	0 / 0	(无)
	4934	P534A Exam constructive algorithms implementation math *1100	0 / 0	(无)
	4930	P534E Berland Local Positioning System constructive algorithms greedy hashing implementation *2400	0 / 0	(无)
	4928	P535A Tavas and Nafas brute force implementation *1000	0 / 0	(无)
	4927	P535B Tavas and SaDDas bitmasks brute force combinatorics implementation *1100	0 / 0	(无)
	4921	P538A Cutting Banner brute force implementation *1400	0 / 0	(无)
	4920	P538B Quasi Binary constructive algorithms dp greedy implementation *1400	0 / 0	(无)
	4919	P538C Tourist's Notes binary search brute force greedy implementation math *1600	0 / 0	(无)
	4918	P538D Weird Chess brute force constructive algorithms implementation *1800	0 / 0	(无)
	4913	P540A Combination Lock implementation *800	0 / 0	(无)
	4912	P540B School Marks greedy implementation *1700	0 / 0	(无)
	4909	P540E Infinite Inversions binary search data structures implementation sortings trees *2100	0 / 0	(无)
	4897	P544A Set of Strings implementation strings *1100	0 / 0	(无)
	4896	P544B Sea and Islands constructive algorithms implementation *1400	0 / 0	(无)
	4895	P545A Toy Cars implementation *900	0 / 0	(无)
	4892	P545D Queue greedy implementation sortings *1300	0 / 0	(无)
	4890	P546A Soldier and Bananas brute force implementation math *800	0 / 0	(无)
	4889	P546B Soldier and Badges brute force greedy implementation sortings *1200	0 / 0	(无)
	4885	P547A Mike and Frog brute force greedy implementation math *2200	0 / 0	(无)
	4880	P548A Mike and Fax brute force implementation strings *1100	0 / 0	(无)
	4879	P548B Mike and Fun brute force dp greedy implementation *1400	0 / 0	(无)
	4878	P549A Face Detection implementation strings *900	0 / 0	(无)
	4875	P549D Haar Features greedy implementation *1900	0 / 0	(无)
	4870	P550A Two Substrings brute force dp greedy implementation strings *1500	0 / 0	(无)
	4867	P550D Regular Bridge constructive algorithms graphs implementation *1900	0 / 0	(无)
	4866	P550E Brackets in Implications constructive algorithms greedy implementation math *2200	0 / 0	(无)
	4865	P551A GukiZ and Contest brute force implementation sortings *800	0 / 0	(无)
	4864	P551B ZgukistringZ brute force constructive algorithms implementation strings *1800	0 / 0	(无)
	4862	P551D GukiZ and Binary Operations combinatorics implementation math matrices number theory *2100	0 / 0	(无)
	4861	P551E GukiZ and GukiZiana binary search data structures implementation *2500	0 / 0	(无)
	4860	P552A Vanya and Table implementation math *1000	0 / 0	(无)
	4859	P552B Vanya and Books implementation math *1200	0 / 0	(无)
	4856	P552E Vanya and Brackets brute force dp expression parsing greedy implementation strings *2100	0 / 0	(无)
	4854	P553B Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math *1900	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

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开发与维护

杨旭龙、王树淳、王国斌、宋文宇、朱天伦

特别鸣谢

肖飞、关玉蓉、魏银珍、周芬

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