	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5683	P345G Suffix Subgroup special problem strings 2200	0 / 0	(无)
	5681	P346B Lucky Common Subsequence dp strings *2000	0 / 0	(无)
	5640	P356E Xenia and String Problem dp hashing implementation string suffix structures strings *3000	0 / 0	(无)
	5636	P358B Dima and Text Messages brute force strings *1500	0 / 0	(无)
	5523	P385B Bear and Strings brute force greedy implementation math strings *1200	0 / 0	(无)
	5517	P386C Diverse Substrings dp strings two pointers *2000	0 / 0	(无)
	5410	P412C Pattern implementation strings *1200	0 / 0	(无)
	5361	P427D Match & Catch dp string suffix structures strings *2200	0 / 0	(无)
	5344	P432D Prefixes and Suffixes dp string suffix structures strings two pointers *2000	0 / 0	(无)
	5297	P443B Kolya and Tandem Repeat brute force implementation strings *1500	0 / 0	(无)
	5293	P444D DZY Loves Strings binary search hashing strings two pointers *2500	0 / 0	(无)
	5281	P448B Suffix Structures implementation strings *1400	0 / 0	(无)
	5265	P452A Eevee brute force implementation strings *1000	0 / 0	(无)
	5261	P452E Three strings data structures dsu string suffix structures strings *2400	0 / 0	(无)
	5251	P455B A Lot of Games dfs and similar dp games implementation strings trees *1900	0 / 0	(无)
	5225	P461E Appleman and a Game binary search shortest paths strings *3000	0 / 0	(无)
	5217	P464A No to Palindromes! greedy strings *1700	0 / 0	(无)
	5202	P467D Fedor and Essay dfs and similar dp graphs hashing strings *2400	0 / 0	(无)
	5182	P471D MUH and Cube Walls string suffix structures strings *1800	0 / 0	(无)
	5157	P476E Dreamoon and Strings dp strings *2200	0 / 0	(无)
	5156	P477D Dreamoon and Binary dp strings *2700	0 / 0	(无)
	5108	P490C Hacking Cypher brute force math number theory strings *1700	0 / 0	(无)
	5090	P494B Obsessive String dp strings *2000	0 / 0	(无)
	5071	P499B Lecture implementation strings *1000	0 / 0	(无)
	5062	P501B Misha and Changing Handles data structures dsu strings *1100	0 / 0	(无)
	5056	P505A Mr brute force implementation strings *1100	0 / 0	(无)
	5050	P506E Mr combinatorics dp matrices strings *3000	0 / 0	(无)
	5043	P508B Anton and currency you all know greedy math strings *1300	0 / 0	(无)
	5035	P509E Pretty Song math strings *2000	0 / 0	(无)
	5011	P514C Watto and Mechanism binary search data structures hashing string suffix structures strings *2000	0 / 0	(无)
	5001	P518A Vitaly and Strings constructive algorithms strings *1600	0 / 0	(无)
	5000	P518B Tanya and Postcard greedy implementation strings *1400	0 / 0	(无)
	4990	P520A Pangram implementation strings *800	0 / 0	(无)
	4988	P520C DNA Alignment math strings *1500	0 / 0	(无)
	4970	P524F And Yet Another Bracket Sequence data structures greedy hashing string suffix structures strings *2700	0 / 0	(无)
	4969	P525A Vitaliy and Pie greedy hashing strings *1100	0 / 0	(无)
	4968	P525B Pasha and String constructive algorithms greedy math strings *1400	0 / 0	(无)
	4961	P526D Om Nom and Necklace hashing string suffix structures strings *2200	0 / 0	(无)
	4939	P533B Work Group dfs and similar dp graphs strings trees *2000	0 / 0	(无)
	4936	P533E Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers *1800	0 / 0	(无)
	4935	P533F Encoding hashing string suffix structures strings *2400	0 / 0	(无)
	4925	P535D Tavas and Malekas greedy hashing string suffix structures strings *1900	0 / 0	(无)
	4897	P544A Set of Strings implementation strings *1100	0 / 0	(无)
	4881	P547E Mike and Friends data structures string suffix structures strings trees *2800	0 / 0	(无)
	4880	P548A Mike and Fax brute force implementation strings *1100	0 / 0	(无)
	4878	P549A Face Detection implementation strings *900	0 / 0	(无)
	4870	P550A Two Substrings brute force dp greedy implementation strings *1500	0 / 0	(无)
	4864	P551B ZgukistringZ brute force constructive algorithms implementation strings *1800	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)
	4837	P557E Ann and Half-Palindrome data structures dp graphs string suffix structures strings trees *2300	0 / 0	(无)
	4832	P558E A Simple Task data structures sortings strings *2300	0 / 0	(无)
	4830	P559B Equivalent Strings divide and conquer hashing sortings strings *1700	0 / 0	(无)
	4824	P566A Matching Names dfs and similar strings trees *2300	0 / 0	(无)
	4757	P580E Kefa and Watch data structures hashing strings *2500	0 / 0	(无)
	4741	P584C Marina and Vasya constructive algorithms greedy strings *1700	0 / 0	(无)
	4733	P585F Digits of Number Pi dp implementation strings *3200	0 / 0	(无)
	4725	P587F Duff is Mad data structures strings *3000	0 / 0	(无)
	4718	P590E Birthday graph matchings strings *3200	0 / 0	(无)
	4716	P591B Rebranding implementation strings *1200	0 / 0	(无)
	4701	P594E Cutting the Line string suffix structures strings *3100	0 / 0	(无)
	4694	P596E Wilbur and Strings dfs and similar dp graphs strings *2500	0 / 0	(无)
	4689	P598B Queries on a String implementation strings *1300	0 / 0	(无)
	4679	P600A Extract Numbers implementation strings *1600	0 / 0	(无)
	4677	P600C Make Palindrome constructive algorithms greedy strings *1800	0 / 0	(无)
	4670	P601D Acyclic Organic Compounds data structures dfs and similar dsu hashing strings trees *2400	0 / 0	(无)
	4650	P607C Marbles hashing strings *2500	0 / 0	(无)
	4646	P608B Hamming Distance Sum combinatorics strings *1500	0 / 0	(无)
	4635	P610E Alphabet Permutations data structures strings *2500	0 / 0	(无)
	4631	P611D New Year and Ancient Prophecy dp hashing strings *2000	0 / 0	(无)
	4626	P612A The Text Splitting brute force implementation strings *1300	0 / 0	(无)
	4616	P613E Puzzle Lover dp hashing strings *3200	0 / 0	(无)
	4611	P615C Running Track dp greedy strings trees *2000	0 / 0	(无)
	4608	P616A Comparing Two Long Integers implementation strings *900	0 / 0	(无)
	4603	P616F Expensive Strings string suffix structures strings *2700	0 / 0	(无)
	4585	P620F Xors on Segments data structures strings trees *2800	0 / 0	(无)
	4565	P625B War of the Corporations constructive algorithms greedy strings *1200	0 / 0	(无)
	4546	P628C Bear and String Distance greedy strings *1300	0 / 0	(无)
	4540	P629C Famil Door and Brackets dp strings *2000	0 / 0	(无)
	4516	P631D Messenger data structures hashing implementation string suffix structures strings *2100	0 / 0	(无)
	4512	P632C The Smallest String Concatenation sortings strings *1700	0 / 0	(无)
	4506	P633C Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings *1900	0 / 0	(无)
	4493	P638B Making Genome in Berland special problem dfs and similar strings 1500	0 / 0	(无)
	4468	P644C Hostname Aliases special problem binary search data structures implementation sortings strings 2100	0 / 0	(无)
	4463	P645E Intellectual Inquiry dp greedy strings *2200	0 / 0	(无)
	4446	P653B Bear and Compressing brute force dfs and similar dp strings *1300	0 / 0	(无)
	4442	P653F Paper task data structures string suffix structures strings *2600	0 / 0	(无)
	4402	P665C Simple Strings dp greedy strings *1300	0 / 0	(无)
	4400	P665E Beautiful Subarrays data structures divide and conquer strings trees *2100	0 / 0	(无)
	4398	P666A Reberland Linguistics dp implementation strings *1800	0 / 0	(无)
	4396	P666C Codeword combinatorics strings *2500	0 / 0	(无)
	4385	P670E Correct Bracket Sequence Editor data structures dsu strings *1700	0 / 0	(无)
	4384	P670F Restore a Number brute force constructive algorithms strings *2300	0 / 0	(无)
	4377	P672B Different is Good constructive algorithms implementation strings *1000	0 / 0	(无)
	4367	P676C Vasya and String binary search dp strings two pointers *1500	0 / 0	(无)
	4362	P677C Vanya and Label bitmasks combinatorics implementation strings *1500	0 / 0	(无)
	4338	P682D Alyona and Strings dp strings *1900	0 / 0	(无)
	4289	P691B s-palindrome implementation strings *1600	0 / 0	(无)
	4288	P691C Exponential notation implementation strings *1800	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

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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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