	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5222	P463A Caisa and Sugar brute force implementation *1200	0 / 0	(无)
	5221	P463B Caisa and Pylons brute force implementation math *1100	0 / 0	(无)
	5218	P463E Caisa and Tree brute force dfs and similar math number theory trees *2100	0 / 0	(无)
	5216	P464B Restore Cube brute force geometry *2000	0 / 0	(无)
	5209	P466B Wonder Room brute force math *2000	0 / 0	(无)
	5208	P466C Number of Ways binary search brute force data structures dp two pointers *1700	0 / 0	(无)
	5204	P467B Fedor and New Game bitmasks brute force constructive algorithms implementation *1100	0 / 0	(无)
	5183	P471C MUH and House of Cards binary search brute force greedy math *1700	0 / 0	(无)
	5171	P474C Captain Marmot brute force geometry *2000	0 / 0	(无)
	5166	P475B Strongly Connected City brute force dfs and similar graphs implementation *1400	0 / 0	(无)
	5165	P475C Kamal-ol-molk's Painting brute force constructive algorithms greedy *2100	0 / 0	(无)
	5164	P475D CGCDSSQ brute force data structures math *2000	0 / 0	(无)
	5160	P476B Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities *1300	0 / 0	(无)
	5150	P478E Wavy numbers brute force dfs and similar meet-in-the-middle sortings *2900	0 / 0	(无)
	5149	P479A Expression brute force math *1000	0 / 0	(无)
	5148	P479B Towers brute force constructive algorithms greedy implementation sortings *1400	0 / 0	(无)
	5137	P483A Counterexample brute force implementation math number theory *1100	0 / 0	(无)
	5129	P485B Valuable Resources brute force greedy *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)
	5118	P488A Giga Tower brute force *1100	0 / 0	(无)
	5117	P488B Candy Boxes brute force constructive algorithms math *1900	0 / 0	(无)
	5113	P489D Unbearable Controversy of Being brute force combinatorics dfs and similar graphs *1700	0 / 0	(无)
	5108	P490C Hacking Cypher brute force math number theory strings *1700	0 / 0	(无)
	5107	P490D Chocolate brute force dfs and similar math meet-in-the-middle number theory *1900	0 / 0	(无)
	5106	P490E Restoring Increasing Sequence binary search brute force greedy implementation *2000	0 / 0	(无)
	5094	P493C Vasya and Basketball binary search brute force data structures implementation sortings two pointers *1600	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)
	5056	P505A Mr brute force implementation strings *1100	0 / 0	(无)
	5051	P506D Mr brute force dfs and similar dsu graphs *2400	0 / 0	(无)
	5044	P508A Pasha and Pixels brute force *1100	0 / 0	(无)
	5039	P509A Maximum in Table brute force implementation *800	0 / 0	(无)
	5030	P510D Fox And Jumping bitmasks brute force dp math *1900	0 / 0	(无)
	5025	P513B1 Permutations brute force *1400	0 / 0	(无)
	5016	P513G1 Inversions problem brute force dfs and similar dp meet-in-the-middle *1800	0 / 0	(无)
	5012	P514B Han Solo and Lazer Gun brute force data structures geometry implementation math *1400	0 / 0	(无)
	5007	P515B Drazil and His Happy Friends brute force dsu meet-in-the-middle number theory *1300	0 / 0	(无)
	4996	P518F Pasha and Pipe binary search brute force combinatorics dp implementation *2300	0 / 0	(无)
	4965	P525E Anya and Cubes binary search bitmasks brute force dp math meet-in-the-middle *2100	0 / 0	(无)
	4964	P526A King of Thieves brute force implementation *1300	0 / 0	(无)
	4962	P526C Om Nom and Candies brute force greedy math *2000	0 / 0	(无)
	4952	P528D Fuzzy Search bitmasks brute force fft *2500	0 / 0	(无)
	4950	P529B Group Photo 2 (online mirror version) brute force greedy sortings *1900	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)
	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)
	4916	P538F A Heap of Heaps brute force data structures math sortings *2200	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)
	4888	P546C Soldier and Cards brute force dfs and similar games *1400	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)
	4870	P550A Two Substrings brute force dp greedy implementation strings *1500	0 / 0	(无)
	4869	P550B Preparing Olympiad bitmasks brute force *1400	0 / 0	(无)
	4868	P550C Divisibility by Eight brute force dp math *1500	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)
	4858	P552C Vanya and Scales brute force dp greedy math meet-in-the-middle number theory *1900	0 / 0	(无)
	4857	P552D Vanya and Triangles brute force combinatorics data structures geometry math sortings *1900	0 / 0	(无)
	4856	P552E Vanya and Brackets brute force dp expression parsing greedy implementation strings *2100	0 / 0	(无)
	4850	P554A Kyoya and Photobooks brute force math strings *900	0 / 0	(无)
	4849	P554B Ohana Cleans Up brute force greedy strings *1200	0 / 0	(无)
	4842	P556B Case of Fake Numbers brute force implementation *1100	0 / 0	(无)
	4839	P557C Arthur and Table brute force data structures dp greedy math sortings *1900	0 / 0	(无)
	4836	P558A Lala Land and Apple Trees brute force implementation sortings *1100	0 / 0	(无)
	4834	P558C Amr and Chemistry brute force graphs greedy math shortest paths *1900	0 / 0	(无)
	4831	P559A Gerald's Hexagon brute force geometry math *1600	0 / 0	(无)
	4811	P568A Primes or Palindromes? brute force implementation math number theory *1600	0 / 0	(无)
	4808	P568D Sign Posts brute force geometry math *2800	0 / 0	(无)
	4786	P574B Bear and Three Musketeers brute force dfs and similar graphs hashing *1500	0 / 0	(无)
	4783	P575C Party bitmasks brute force graph matchings *2700	0 / 0	(无)
	4768	P578B "Or" Game brute force greedy *1700	0 / 0	(无)
	4762	P579B Finding Team Member brute force implementation sortings *1300	0 / 0	(无)
	4761	P580A Kefa and First Steps brute force dp implementation *900	0 / 0	(无)
	4753	P581D Three Logos bitmasks brute force constructive algorithms geometry implementation math *1700	0 / 0	(无)
	4740	P584D Dima and Lisa brute force math number theory *1800	0 / 0	(无)
	4738	P585A Gennady the Dentist brute force implementation *1800	0 / 0	(无)
	4710	P593A 2Char brute force implementation *1200	0 / 0	(无)
	4703	P594C Edo and Magnets brute force greedy implementation two pointers *2300	0 / 0	(无)
	4686	P598E Chocolate Bar brute force dp *2000	0 / 0	(无)
	4681	P599D Spongebob and Squares brute force math *1900	0 / 0	(无)
	4668	P602A Two Bases brute force implementation *1100	0 / 0	(无)
	4633	P611B New Year and Old Property bitmasks brute force implementation *1300	0 / 0	(无)
	4626	P612A The Text Splitting brute force implementation strings *1300	0 / 0	(无)
	4619	P613B Skills binary search brute force dp greedy sortings two pointers *1900	0 / 0	(无)
	4615	P614A Link/Cut Tree brute force implementation *1500	0 / 0	(无)
	4581	P621D Rat Kwesh and Cheese brute force constructive algorithms math *2400	0 / 0	(无)
	4561	P626A Robot Sequence brute force implementation *1000	0 / 0	(无)
	4559	P626C Block Towers brute force greedy math number theory *1600	0 / 0	(无)
	4558	P626D Jerry's Protest brute force combinatorics dp probabilities *1800	0 / 0	(无)
	4542	P629A Far Relative’s Birthday Cake brute force combinatorics constructive algorithms implementation *800	0 / 0	(无)
	4541	P629B Far Relative’s Problem brute force *1100	0 / 0	(无)
	4519	P631A Interview brute force implementation *900	0 / 0	(无)
	4513	P632B Alice, Bob, Two Teams brute force constructive algorithms *1400	0 / 0	(无)
	4511	P632D Longest Subsequence brute force math number theory *2100	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

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支持

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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