ID	题目隐藏标签显示标签	AC / 尝试	难度
7186	P8C Looking for Order bitmasks dp *2000	0 / 0	(无)
7170	P11D A Simple Task bitmasks dp graphs *2200	0 / 0	(无)
7144	P16E Fish bitmasks dp probabilities *1900	0 / 0	(无)
7122	P21D Traveling Graph bitmasks graph matchings graphs *2400	0 / 0	(无)
7095	P27B Tournament bitmasks brute force dfs and similar greedy *1300	0 / 0	(无)
6939	P53E Dead Ends bitmasks dp *2500	0 / 0	(无)
6889	P63E Sweets Game bitmasks dfs and similar dp games implementation *2000	0 / 0	(无)
6845	P71E Nuclear Fusion bitmasks dp *2200	0 / 0	(无)
6817	P76C Mutation bitmasks dp math *2700	0 / 0	(无)
6800	P79D Password bitmasks dp shortest paths *2800	0 / 0	(无)
6782	P83E Two Subsequences bitmasks dp *2800	0 / 0	(无)
6735	P96B Lucky Numbers (easy) binary search bitmasks brute force *1300	0 / 0	(无)
6731	P97D Robot in Basement bitmasks brute force implementation *2700	0 / 0	(无)
6687	P107C Arrangement bitmasks dp *2400	0 / 0	(无)
6673	P111C Petya and Spiders bitmasks dp dsu *2100	0 / 0	(无)
6662	P114B PFAST Inc. bitmasks brute force graphs *1500	0 / 0	(无)
6498	P152E Garden bitmasks dp graphs trees *2500	0 / 0	(无)
6434	P165E Compatible Numbers bitmasks brute force dfs and similar dp *2200	0 / 0	(无)
6269	P201D Brand New Problem bitmasks brute force dp *2600	0 / 0	(无)
6267	P202A LLPS binary search bitmasks brute force greedy implementation strings *800	0 / 0	(无)
6225	P212B Polycarpus is Looking for Good Substrings bitmasks hashing implementation *2300	0 / 0	(无)
6201	P217D Bitonix' Patrol bitmasks brute force combinatorics dfs and similar math *2900	0 / 0	(无)
6174	P224B Array bitmasks implementation two pointers *1500	0 / 0	(无)
6170	P225D Snake bitmasks dfs and similar graphs implementation *2200	0 / 0	(无)
6143	P232B Table bitmasks combinatorics dp math *1900	0 / 0	(无)
6140	P232E Quick Tortoise bitmasks divide and conquer dp *3000	0 / 0	(无)
6107	P241B Friends binary search bitmasks data structures math *2700	0 / 0	(无)
6097	P242E XOR on Segment bitmasks data structures *2000	0 / 0	(无)
6096	P243A The Brand New Function bitmasks *1600	0 / 0	(无)
6090	P244B Undoubtedly Lucky Numbers bitmasks brute force dfs and similar *1600	0 / 0	(无)
6061	P251D Two Sets bitmasks math *2700	0 / 0	(无)
5962	P276D Little Girl and Maximum XOR bitmasks dp greedy implementation math *1700	0 / 0	(无)
5950	P279D The Minimum Number of Variables bitmasks dp *2200	0 / 0	(无)
5937	P282E Sausage Maximization bitmasks data structures trees *2200	0 / 0	(无)
5926	P285D Permutation Sum bitmasks combinatorics dp implementation meet-in-the-middle *1900	0 / 0	(无)
5902	P291C Network Mask special problem bitmasks brute force implementation 1600	0 / 0	(无)
5838	P309C Memory for Arrays binary search bitmasks greedy *1900	0 / 0	(无)
5765	P327E Axis Walking bitmasks combinatorics constructive algorithms dp meet-in-the-middle *2300	0 / 0	(无)
5735	P333D Characteristics of Rectangles binary search bitmasks brute force implementation sortings *2100	0 / 0	(无)
5734	P333E Summer Earnings binary search bitmasks brute force geometry sortings *2500	0 / 0	(无)
5721	P336E Vasily the Bear and Painting Square bitmasks combinatorics dp implementation *2700	0 / 0	(无)
5698	P342D Xenia and Dominoes bitmasks dfs and similar dp *2100	0 / 0	(无)
5650	P354B Game with Strings bitmasks dp games *2400	0 / 0	(无)
5641	P356D Bags and Coins bitmasks constructive algorithms dp greedy *2700	0 / 0	(无)
5595	P367D Sereja and Sets bitmasks dfs and similar *2400	0 / 0	(无)
5562	P375C Circling Round Treasures bitmasks shortest paths *2600	0 / 0	(无)
5555	P377C Captains Mode bitmasks dp games *2200	0 / 0	(无)
5547	P379D New Year Letter bitmasks brute force dp *2000	0 / 0	(无)
5521	P385D Bear and Floodlight bitmasks dp geometry *2200	0 / 0	(无)
5509	P388B Fox and Minimal path bitmasks constructive algorithms graphs implementation math *1900	0 / 0	(无)
5456	P400E Inna and Binary Logic binary search bitmasks data structures *2100	0 / 0	(无)
5452	P401D Roman and Numbers bitmasks brute force combinatorics dp number theory *2000	0 / 0	(无)
5404	P413D 2048 bitmasks dp *2000	0 / 0	(无)
5387	P417D Cunning Gena bitmasks dp greedy sortings *1900	0 / 0	(无)
5370	P425B Sereja and Table bitmasks greedy *2200	0 / 0	(无)
5357	P429C Guess the Tree bitmasks constructive algorithms dp greedy trees *2300	0 / 0	(无)
5349	P431D Random Task binary search bitmasks combinatorics dp math *2100	0 / 0	(无)
5323	P437B The Child and Set bitmasks greedy implementation sortings *1500	0 / 0	(无)
5304	P441E Valera and Number bitmasks dp math probabilities *2400	0 / 0	(无)
5303	P442A Borya and Hanabi bitmasks brute force implementation *1700	0 / 0	(无)
5274	P449D Jzzhu and Numbers bitmasks combinatorics dp *2400	0 / 0	(无)
5266	P451E Devu and Flowers bitmasks combinatorics number theory *2300	0 / 0	(无)
5258	P453B Little Pony and Harmony Chest bitmasks brute force dp *2000	0 / 0	(无)
5204	P467B Fedor and New Game bitmasks brute force constructive algorithms implementation *1100	0 / 0	(无)
5174	P472G Design Tutorial: Increase the Constraints bitmasks data structures fft *2800	0 / 0	(无)
5160	P476B Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities *1300	0 / 0	(无)
5140	P482C Game with Strings bitmasks dp probabilities *2600	0 / 0	(无)
5135	P484A Bits bitmasks constructive algorithms *1700	0 / 0	(无)
5058	P504D Misha and XOR bitmasks *2700	0 / 0	(无)
5030	P510D Fox And Jumping bitmasks brute force dp math *1900	0 / 0	(无)
5024	P513B2 Permutations bitmasks divide and conquer math *1800	0 / 0	(无)
5023	P513C Second price auction bitmasks probabilities *2000	0 / 0	(无)
4965	P525E Anya and Cubes binary search bitmasks brute force dp math meet-in-the-middle *2100	0 / 0	(无)
4952	P528D Fuzzy Search bitmasks brute force fft *2500	0 / 0	(无)
4929	P534F Simplified Nonogram bitmasks dp hashing meet-in-the-middle *2400	0 / 0	(无)
4927	P535B Tavas and SaDDas bitmasks brute force combinatorics implementation *1100	0 / 0	(无)
4900	P543C Remembering Strings bitmasks dp *2500	0 / 0	(无)
4883	P547C Mike and Foam bitmasks combinatorics dp math number theory *2300	0 / 0	(无)
4869	P550B Preparing Olympiad bitmasks brute force *1400	0 / 0	(无)
4820	P566E Restoring Map bitmasks constructive algorithms trees *3200	0 / 0	(无)
4801	P570D Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees *2200	0 / 0	(无)
4783	P575C Party bitmasks brute force graph matchings *2700	0 / 0	(无)
4763	P579A Raising Bacteria bitmasks *1000	0 / 0	(无)
4758	P580D Kefa and Dishes bitmasks dp *1800	0 / 0	(无)
4753	P581D Three Logos bitmasks brute force constructive algorithms geometry implementation math *1700	0 / 0	(无)
4746	P582E Boolean Function bitmasks dp expression parsing *3000	0 / 0	(无)
4680	P599E Sandy and Nuts bitmasks dp trees *2600	0 / 0	(无)
4633	P611B New Year and Old Property bitmasks brute force implementation *1300	0 / 0	(无)
4586	P620E New Year Tree bitmasks data structures trees *2100	0 / 0	(无)
4502	P633G Yash And Trees bitmasks data structures dfs and similar math number theory *2800	0 / 0	(无)
4411	P662A Gambling Nim bitmasks math matrices probabilities *2400	0 / 0	(无)
4409	P662C Binary Table bitmasks brute force divide and conquer dp fft math *2600	0 / 0	(无)
4362	P677C Vanya and Label bitmasks combinatorics implementation strings *1500	0 / 0	(无)
4355	P678E Another Sith Tournament bitmasks dp math probabilities *2200	0 / 0	(无)
4322	P685E Travelling Through the Snow Queen's Kingdom bitmasks brute force divide and conquer graphs *2800	0 / 0	(无)
4274	P698C LRU bitmasks dp math probabilities *2400	0 / 0	(无)
4239	P706D Vasiliy's Multiset binary search bitmasks data structures trees *1800	0 / 0	(无)
4234	P707D Persistent Bookcase bitmasks data structures dfs and similar implementation *2200	0 / 0	(无)
4183	P718E Matvey's Birthday bitmasks graphs *3300	0 / 0	(无)
4151	P724G Xor-matic Number of the Graph bitmasks graphs math number theory trees *2600	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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