ID	题目隐藏标签显示标签	AC / 尝试	难度
5556	P377B Preparing for the Contest binary search data structures greedy sortings *1900	0 / 0	(无)
5509	P388B Fox and Minimal path bitmasks constructive algorithms graphs implementation math *1900	0 / 0	(无)
5440	P404D Minesweeper 1D dp implementation *1900	0 / 0	(无)
5419	P409F 000001 special problem 1900	0 / 0	(无)
5408	P412E E-mail Addresses implementation *1900	0 / 0	(无)
5387	P417D Cunning Gena bitmasks dp greedy sortings *1900	0 / 0	(无)
5381	P420C Bug in Code data structures graphs implementation two pointers *1900	0 / 0	(无)
5377	P421D Bug in Code binary search data structures sortings *1900	0 / 0	(无)
5321	P437D The Child and Zoo dsu sortings *1900	0 / 0	(无)
5280	P448C Painting Fence divide and conquer dp greedy *1900	0 / 0	(无)
5262	P452D Washer, Dryer, Folder greedy implementation *1900	0 / 0	(无)
5251	P455B A Lot of Games dfs and similar dp games implementation strings trees *1900	0 / 0	(无)
5244	P457B Distributed Join greedy *1900	0 / 0	(无)
5237	P459C Pashmak and Buses combinatorics constructive algorithms math *1900	0 / 0	(无)
5235	P459E Pashmak and Graph dp sortings *1900	0 / 0	(无)
5220	P463C Gargari and Bishops greedy hashing implementation *1900	0 / 0	(无)
5219	P463D Gargari and Permutations dfs and similar dp graphs implementation *1900	0 / 0	(无)
5191	P470C Eval special problem 1900	0 / 0	(无)
5190	P470D Caesar Cipher special problem 1900	0 / 0	(无)
5189	P470E Chessboard special problem 1900	0 / 0	(无)
5177	P472D Design Tutorial: Inverse the Problem dfs and similar dsu shortest paths trees *1900	0 / 0	(无)
5158	P476D Dreamoon and Sets constructive algorithms greedy math *1900	0 / 0	(无)
5145	P479E Riding in a Lift combinatorics dp *1900	0 / 0	(无)
5117	P488B Candy Boxes brute force constructive algorithms math *1900	0 / 0	(无)
5107	P490D Chocolate brute force dfs and similar math meet-in-the-middle number theory *1900	0 / 0	(无)
5081	P496D Tennis Game binary search *1900	0 / 0	(无)
5067	P500D New Year Santa Network combinatorics dfs and similar graphs trees *1900	0 / 0	(无)
5054	P505C Mr dfs and similar dp two pointers *1900	0 / 0	(无)
5030	P510D Fox And Jumping bitmasks brute force dp math *1900	0 / 0	(无)
4973	P524C The Art of Dealing with ATM binary search sortings *1900	0 / 0	(无)
4950	P529B Group Photo 2 (online mirror version) brute force greedy sortings *1900	0 / 0	(无)
4931	P534D Handshakes binary search constructive algorithms data structures greedy *1900	0 / 0	(无)
4926	P535C Tavas and Karafs binary search greedy math *1900	0 / 0	(无)
4925	P535D Tavas and Malekas greedy hashing string suffix structures strings *1900	0 / 0	(无)
4910	P540D Bad Luck Island dp probabilities *1900	0 / 0	(无)
4884	P547B Mike and Feet binary search data structures dp dsu *1900	0 / 0	(无)
4875	P549D Haar Features greedy implementation *1900	0 / 0	(无)
4867	P550D Regular Bridge constructive algorithms graphs implementation *1900	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)
4854	P553B Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math *1900	0 / 0	(无)
4839	P557C Arthur and Table brute force data structures dp greedy math sortings *1900	0 / 0	(无)
4834	P558C Amr and Chemistry brute force graphs greedy math shortest paths *1900	0 / 0	(无)
4821	P566D Restructuring Company data structures dsu *1900	0 / 0	(无)
4810	P568B Symmetric and Transitive combinatorics dp math *1900	0 / 0	(无)
4770	P577B Modulo Sum combinatorics data structures dp two pointers *1900	0 / 0	(无)
4749	P582B Once Again... constructive algorithms dp matrices *1900	0 / 0	(无)
4691	P597C Subsequences data structures dp *1900	0 / 0	(无)
4681	P599D Spongebob and Squares brute force math *1900	0 / 0	(无)
4651	P607B Zuma dp *1900	0 / 0	(无)
4620	P613A Peter and Snow Blower binary search geometry ternary search *1900	0 / 0	(无)
4619	P613B Skills binary search brute force dp greedy sortings two pointers *1900	0 / 0	(无)
4576	P622D Optimal Number Permutation constructive algorithms *1900	0 / 0	(无)
4533	P630E A rectangle math *1900	0 / 0	(无)
4506	P633C Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings *1900	0 / 0	(无)
4459	P650B Image Preview binary search brute force dp two pointers *1900	0 / 0	(无)
4445	P653C Bear and Up-Down brute force implementation *1900	0 / 0	(无)
4440	P656A Da Vinci Powers special problem 1900	0 / 0	(无)
4435	P656F Ace It! special problem 1900	0 / 0	(无)
4434	P656G You're a Professional special problem 1900	0 / 0	(无)
4422	P660D Number of Parallelograms geometry *1900	0 / 0	(无)
4418	P661B Seasons special problem 1900	0 / 0	(无)
4414	P661F Primes in Interval special problem 1900	0 / 0	(无)
4338	P682D Alyona and Strings dp strings *1900	0 / 0	(无)
4330	P683G The Fraction special problem 1900	0 / 0	(无)
4329	P683H Exchange of Books special problem 1900	0 / 0	(无)
4325	P685B Kay and Snowflake data structures dfs and similar dp trees *1900	0 / 0	(无)
4317	P687C The Values You Can Make dp *1900	0 / 0	(无)
4286	P691E Xor-sequences matrices *1900	0 / 0	(无)
4268	P700A As Fast As Possible binary search math *1900	0 / 0	(无)
4257	P702D Road to Post Office math *1900	0 / 0	(无)
4231	P708B Recover the String constructive algorithms greedy implementation math *1900	0 / 0	(无)
4216	P711D Directed Roads combinatorics dfs and similar graphs math *1900	0 / 0	(无)
4192	P717D Dexterina’s Lab games matrices probabilities *1900	0 / 0	(无)
4191	P717E Paint it really, really dark gray dfs and similar *1900	0 / 0	(无)
4166	P722D Generating Sets binary search data structures dfs and similar greedy strings trees *1900	0 / 0	(无)
4154	P724D Dense Subsequence data structures greedy strings *1900	0 / 0	(无)
4133	P729E Subordinates constructive algorithms data structures graphs greedy sortings *1900	0 / 0	(无)
4122	P730J Bottles dp *1900	0 / 0	(无)
4114	P731F Video Cards brute force data structures implementation math number theory *1900	0 / 0	(无)
4085	P739B Alyona and a tree binary search data structures dfs and similar graphs trees *1900	0 / 0	(无)
4066	P744B Hongcow's Game bitmasks divide and conquer interactive *1900	0 / 0	(无)
4056	P746E Numbers Exchange greedy implementation math *1900	0 / 0	(无)
4033	P750D New Year and Fireworks brute force data structures dfs and similar dp implementation *1900	0 / 0	(无)
4005	P757C Felicity is Coming! data structures hashing sortings strings *1900	0 / 0	(无)
3888	P780D Innokenty and a Football League 2-sat graphs greedy implementation shortest paths strings *1900	0 / 0	(无)
3880	P784D Touchy-Feely Palindromes special problem implementation 1900	0 / 0	(无)
3878	P784F Crunching Numbers Just for You special problem implementation 1900	0 / 0	(无)
3853	P792D Paths in a Complete Binary Tree bitmasks trees *1900	0 / 0	(无)
3834	P796C Bank Hacking constructive algorithms data structures dp trees *1900	0 / 0	(无)
3793	P803C Maximal GCD constructive algorithms greedy math *1900	0 / 0	(无)
3792	P803D Magazine Ad binary search greedy *1900	0 / 0	(无)
3775	P808D Array Division binary search data structures implementation *1900	0 / 0	(无)
3762	P811C Vladik and Memorable Trip dp implementation *1900	0 / 0	(无)
3733	P817D Imbalanced Array data structures divide and conquer dsu sortings *1900	0 / 0	(无)
3726	P818E Card Game Again binary search data structures number theory two pointers *1900	0 / 0	(无)
3722	P819B Mister B and PR Shifts data structures implementation math *1900	0 / 0	(无)
3679	P832D Misha, Grisha and Underground dfs and similar graphs trees *1900	0 / 0	(无)
3667	P835D Palindromic characteristics brute force dp hashing strings *1900	0 / 0	(无)
3650	P839B Game of the Rows brute force greedy implementation *1900	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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