ID	题目隐藏标签显示标签	AC / 尝试	难度
7214	P2A Winner hashing implementation *1500	0 / 0	(无)
7205	P4C Registration system data structures hashing implementation *1300	0 / 0	(无)
7190	P7D Palindrome Degree hashing strings *2200	0 / 0	(无)
7131	P19C Deletion of Repeats greedy hashing string suffix structures *2200	0 / 0	(无)
7102	P25E Test hashing strings *2200	0 / 0	(无)
7088	P28D Don't fear, DravDe is kind binary search data structures dp hashing *2400	0 / 0	(无)
7077	P30E Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings *2800	0 / 0	(无)
7024	P39J Spelling Check hashing implementation strings *1500	0 / 0	(无)
6937	P54B Cutting Jigsaw Puzzle hashing implementation *1800	0 / 0	(无)
6876	P65D Harry Potter and the Sorting Hat brute force dfs and similar hashing *2200	0 / 0	(无)
6801	P79C Beaver data structures dp greedy hashing strings two pointers *1800	0 / 0	(无)
6790	P82B Sets constructive algorithms hashing implementation *1700	0 / 0	(无)
6667	P113B Petr# brute force data structures hashing strings *2000	0 / 0	(无)
6641	P119D String Transformation hashing strings *2500	0 / 0	(无)
6609	P126B Password binary search dp hashing string suffix structures strings *1700	0 / 0	(无)
6602	P128B String brute force constructive algorithms hashing implementation string suffix structures strings *2100	0 / 0	(无)
6490	P154C Double Profiles graphs hashing sortings *2300	0 / 0	(无)
6344	P182D Common Divisors brute force hashing implementation math strings *1400	0 / 0	(无)
6311	P190E Counter Attack data structures dsu graphs hashing sortings *2100	0 / 0	(无)
6288	P196D The Next Good String data structures greedy hashing strings *2800	0 / 0	(无)
6225	P212B Polycarpus is Looking for Good Substrings bitmasks hashing implementation *2300	0 / 0	(无)
6217	P213E Two Permutations data structures hashing strings *2700	0 / 0	(无)
6159	P228C Fractal Detector dp hashing *2000	0 / 0	(无)
6099	P242C King's Path dfs and similar graphs hashing shortest paths *1800	0 / 0	(无)
6082	P245H Queries for Number of Palindromes dp hashing strings *1800	0 / 0	(无)
5900	P291E Tree-String Problem special problem dfs and similar hashing strings 2000	0 / 0	(无)
5801	P316G1 Good Substrings hashing strings *1700	0 / 0	(无)
5788	P319D Have You Ever Heard About the Word? greedy hashing string suffix structures strings *2800	0 / 0	(无)
5665	P350D Looking for Owls binary search data structures geometry hashing sortings *2400	0 / 0	(无)
5640	P356E Xenia and String Problem dp hashing implementation string suffix structures strings *3000	0 / 0	(无)
5428	P407D Largest Submatrix 3 dp hashing *2700	0 / 0	(无)
5368	P425D Sereja and Squares binary search data structures hashing *2300	0 / 0	(无)
5293	P444D DZY Loves Strings binary search hashing strings two pointers *2500	0 / 0	(无)
5260	P452F Permutation data structures divide and conquer hashing *2700	0 / 0	(无)
5220	P463C Gargari and Bishops greedy hashing implementation *1900	0 / 0	(无)
5202	P467D Fedor and Essay dfs and similar dp graphs hashing strings *2400	0 / 0	(无)
5127	P486B OR in Matrix greedy hashing implementation *1300	0 / 0	(无)
5124	P486E LIS of Sequence data structures dp greedy hashing math *2200	0 / 0	(无)
5057	P504E Misha and LCP on Tree binary search dfs and similar hashing string suffix structures trees *3000	0 / 0	(无)
5011	P514C Watto and Mechanism binary search data structures hashing string suffix structures strings *2000	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)
4961	P526D Om Nom and Necklace hashing string suffix structures strings *2200	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)
4930	P534E Berland Local Positioning System constructive algorithms greedy hashing implementation *2400	0 / 0	(无)
4929	P534F Simplified Nonogram bitmasks dp hashing meet-in-the-middle *2400	0 / 0	(无)
4925	P535D Tavas and Malekas greedy hashing string suffix structures strings *1900	0 / 0	(无)
4905	P542D Superhero's Job dfs and similar dp hashing math number theory *2600	0 / 0	(无)
4830	P559B Equivalent Strings divide and conquer hashing sortings strings *1700	0 / 0	(无)
4813	P567E President and Roads dfs and similar graphs hashing shortest paths *2200	0 / 0	(无)
4786	P574B Bear and Three Musketeers brute force dfs and similar graphs hashing *1500	0 / 0	(无)
4757	P580E Kefa and Watch data structures hashing strings *2500	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)
4631	P611D New Year and Ancient Prophecy dp hashing strings *2000	0 / 0	(无)
4616	P613E Puzzle Lover dp hashing strings *3200	0 / 0	(无)
4516	P631D Messenger data structures hashing implementation string suffix structures strings *2100	0 / 0	(无)
4506	P633C Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings *1900	0 / 0	(无)
4505	P633D Fibonacci-ish brute force dp hashing implementation math *2000	0 / 0	(无)
4488	P639C Bear and Polynomials hashing implementation math *2200	0 / 0	(无)
4457	P650D Zip-line binary search data structures dp hashing *2600	0 / 0	(无)
4292	P690F2 Tree of Life (medium) constructive algorithms hashing trees *2700	0 / 0	(无)
4220	P710F String Set Queries brute force data structures hashing interactive string suffix structures strings *2400	0 / 0	(无)
4184	P718D Andrew and Chemistry dp hashing trees *2900	0 / 0	(无)
4155	P724C Ray Tracing greedy hashing implementation math number theory sortings *1800	0 / 0	(无)
4139	P727E Games on a CD data structures hashing string suffix structures strings *2300	0 / 0	(无)
4104	P733D Kostya the Sculptor data structures hashing *1600	0 / 0	(无)
4005	P757C Felicity is Coming! data structures hashing sortings strings *1900	0 / 0	(无)
3984	P762C Two strings binary search hashing strings two pointers *2100	0 / 0	(无)
3977	P763D Timofey and a flat tree data structures graphs hashing shortest paths trees *2900	0 / 0	(无)
3897	P778C Peterson Polyglot brute force dfs and similar dsu hashing strings trees *2500	0 / 0	(无)
3868	P786D Rap God data structures dfs and similar hashing strings trees *3400	0 / 0	(无)
3840	P794D Labelling Cities dfs and similar graphs hashing *2400	0 / 0	(无)
3707	P822E Liar binary search dp hashing string suffix structures *2400	0 / 0	(无)
3700	P825F String Compression dp hashing string suffix structures strings *2400	0 / 0	(无)
3667	P835D Palindromic characteristics brute force dp hashing strings *1900	0 / 0	(无)
3603	P847L Berland SU Computer Network constructive algorithms dfs and similar graphs hashing trees *2400	0 / 0	(无)
3562	P856B Similar Words dp hashing strings trees *2300	0 / 0	(无)
3505	P869E The Untended Antiquity data structures hashing *2400	0 / 0	(无)
3478	P877F Ann and Books data structures flows hashing *2300	0 / 0	(无)
3396	P898F Restoring the Expression brute force hashing math *2300	0 / 0	(无)
3373	P903E Swapping Characters brute force hashing implementation strings *2200	0 / 0	(无)
3136	P958A2 Death Stars (medium) hashing strings *2000	0 / 0	(无)
3102	P961F k-substrings binary search hashing string suffix structures *2700	0 / 0	(无)
3090	P963D Frequency of String hashing string suffix structures strings *2500	0 / 0	(无)
3018	P985F Isomorphic Strings hashing strings *2300	0 / 0	(无)
2913	P1003F Abbreviation dp hashing strings *2200	0 / 0	(无)
2845	P1017E The Supersonic Rocket geometry hashing strings *2400	0 / 0	(无)
2721	P1043G Speckled Band data structures divide and conquer hashing string suffix structures strings *3500	0 / 0	(无)
2713	P1045B Space Isaac hashing number theory *2400	0 / 0	(无)
2706	P1045I Palindrome Pairs hashing strings *1600	0 / 0	(无)
2695	P1051E Vasya and Big Integers binary search data structures dp hashing strings *2600	0 / 0	(无)
2672	P1056E Check Transcription brute force data structures hashing strings *2100	0 / 0	(无)
2560	P1081H Palindromic Magic data structures hashing strings *3500	0 / 0	(无)
2398	P1109B Sasha and One More Name constructive algorithms hashing strings *1800	0 / 0	(无)
2318	P1129C Morse Code binary search data structures dp hashing sortings string suffix structures strings *2400	0 / 0	(无)
2295	P1133D Zero Quantity Maximization hashing math number theory *1500	0 / 0	(无)
2285	P1137B Camp Schedule greedy hashing strings *1600	0 / 0	(无)
2168	P1156G Optimizer graphs greedy hashing implementation *2700	0 / 0	(无)

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开发与维护：杨旭龙、王树淳、王国斌、宋文宇
老师：肖飞、关玉蓉、魏银珍、周芬

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