	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5773	P325B Stadium and Games binary search math *1800	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)
	5731	P335A Banana binary search constructive algorithms greedy *1400	0 / 0	(无)
	5718	P337C Quiz binary search greedy math matrices number theory *1600	0 / 0	(无)
	5705	P340D Bubble Sort Graph binary search data structures dp *1500	0 / 0	(无)
	5694	P343C Read Time binary search greedy two pointers *1900	0 / 0	(无)
	5675	P348A Mafia binary search math sortings *1600	0 / 0	(无)
	5665	P350D Looking for Owls binary search data structures geometry hashing sortings *2400	0 / 0	(无)
	5629	P359D Pair of Numbers binary search brute force data structures math two pointers *2000	0 / 0	(无)
	5626	P360B Levko and Array binary search dp *2000	0 / 0	(无)
	5612	P363D Renting Bikes binary search greedy *1800	0 / 0	(无)
	5600	P366D Dima and Trap Graph binary search data structures dfs and similar dsu shortest paths two pointers *2000	0 / 0	(无)
	5597	P367B Sereja ans Anagrams binary search data structures *1900	0 / 0	(无)
	5587	P369E Valera and Queries binary search data structures *2200	0 / 0	(无)
	5579	P371C Hamburgers binary search brute force *1600	0 / 0	(无)
	5576	P372A Counting Kangaroos is Fun binary search greedy sortings two pointers *1600	0 / 0	(无)
	5573	P372D Choosing Subtree is Fun binary search data structures dfs and similar trees two pointers *2600	0 / 0	(无)
	5570	P373B Making Sequences is Fun binary search implementation math *1600	0 / 0	(无)
	5566	P374D Inna and Sequence binary search data structures dp trees *2000	0 / 0	(无)
	5565	P374E Inna and Babies binary search data structures dsu geometry implementation *2600	0 / 0	(无)
	5556	P377B Preparing for the Contest binary search data structures greedy sortings *1900	0 / 0	(无)
	5543	P380A Sereja and Prefixes binary search brute force *1600	0 / 0	(无)
	5535	P382B Number Busters binary search math *2000	0 / 0	(无)
	5530	P383B Volcanoes binary search implementation sortings two pointers *2500	0 / 0	(无)
	5522	P385C Bear and Prime Numbers binary search brute force data structures dp implementation math number theory *1700	0 / 0	(无)
	5518	P386B Fly, freebies, fly! binary search brute force implementation *1400	0 / 0	(无)
	5511	P387E George and Cards binary search data structures *2200	0 / 0	(无)
	5456	P400E Inna and Binary Logic binary search bitmasks data structures *2100	0 / 0	(无)
	5439	P404E Maze 1D binary search greedy implementation *2200	0 / 0	(无)
	5399	P414D Mashmokh and Water Tanks binary search data structures greedy trees two pointers *2300	0 / 0	(无)
	5396	P415B Mashmokh and Tokens binary search greedy implementation math *1500	0 / 0	(无)
	5393	P416C Booking System binary search dp greedy implementation *1600	0 / 0	(无)
	5377	P421D Bug in Code binary search data structures sortings *1900	0 / 0	(无)
	5375	P424B Megacity binary search greedy implementation sortings *1200	0 / 0	(无)
	5373	P424D Biathlon Track binary search brute force constructive algorithms data structures dp *2300	0 / 0	(无)
	5368	P425D Sereja and Squares binary search data structures hashing *2300	0 / 0	(无)
	5349	P431D Random Task binary search bitmasks combinatorics dp math *2100	0 / 0	(无)
	5348	P431E Chemistry Experiment binary search data structures ternary search *2200	0 / 0	(无)
	5336	P434E Furukawa Nagisa's Tree binary search divide and conquer sortings trees *3000	0 / 0	(无)
	5314	P439D Devu and his Brother binary search sortings ternary search two pointers *1700	0 / 0	(无)
	5293	P444D DZY Loves Strings binary search hashing strings two pointers *2500	0 / 0	(无)
	5292	P444E DZY Loves Planting binary search dsu trees *2700	0 / 0	(无)
	5279	P448D Multiplication Table binary search brute force *1800	0 / 0	(无)
	5232	P460C Present binary search data structures greedy *1700	0 / 0	(无)
	5225	P461E Appleman and a Game binary search shortest paths strings *3000	0 / 0	(无)
	5208	P466C Number of Ways binary search brute force data structures dp two pointers *1700	0 / 0	(无)
	5198	P468C Hack it! binary search constructive algorithms math *2500	0 / 0	(无)
	5183	P471C MUH and House of Cards binary search brute force greedy math *1700	0 / 0	(无)
	5172	P474B Worms binary search implementation *1200	0 / 0	(无)
	5169	P474E Pillars binary search data structures dp sortings trees *2000	0 / 0	(无)
	5146	P479D Long Jumps binary search greedy implementation *1700	0 / 0	(无)
	5136	P483B Friends and Presents binary search math *1800	0 / 0	(无)
	5134	P484B Maximum Value binary search math sortings two pointers *2100	0 / 0	(无)
	5131	P484E Sign on Fence binary search constructive algorithms data structures *2500	0 / 0	(无)
	5123	P487A Fight the Monster binary search brute force implementation *1800	0 / 0	(无)
	5122	P487B Strip binary search data structures dp two pointers *2000	0 / 0	(无)
	5112	P489E Hiking binary search dp *2300	0 / 0	(无)
	5106	P490E Restoring Increasing Sequence binary search brute force greedy implementation *2000	0 / 0	(无)
	5100	P492B Vanya and Lanterns binary search implementation math sortings *1200	0 / 0	(无)
	5098	P492D Vanya and Computer Game binary search implementation math sortings *1800	0 / 0	(无)
	5094	P493C Vasya and Basketball binary search brute force data structures implementation sortings two pointers *1600	0 / 0	(无)
	5081	P496D Tennis Game binary search *1900	0 / 0	(无)
	5059	P501E Misha and Palindrome Degree binary search combinatorics implementation *2500	0 / 0	(无)
	5057	P504E Misha and LCP on Tree binary search dfs and similar hashing string suffix structures trees *3000	0 / 0	(无)
	5052	P505E Mr binary search greedy *2900	0 / 0	(无)
	5011	P514C Watto and Mechanism binary search data structures hashing string suffix structures strings *2000	0 / 0	(无)
	5010	P514D R2D2 and Droid Army binary search data structures two pointers *2000	0 / 0	(无)
	4996	P518F Pasha and Pipe binary search brute force combinatorics dp implementation *2300	0 / 0	(无)
	4991	P519E A and B and Lecture Rooms binary search data structures dfs and similar dp trees *2100	0 / 0	(无)
	4973	P524C The Art of Dealing with ATM binary search sortings *1900	0 / 0	(无)
	4965	P525E Anya and Cubes binary search bitmasks brute force dp math meet-in-the-middle *2100	0 / 0	(无)
	4955	P527C Glass Carving binary search data structures implementation *1500	0 / 0	(无)
	4940	P533A Berland Miners binary search data structures dfs and similar greedy trees *3000	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)
	4919	P538C Tourist's Notes binary search brute force greedy implementation math *1600	0 / 0	(无)
	4909	P540E Infinite Inversions binary search data structures implementation sortings trees *2100	0 / 0	(无)
	4884	P547B Mike and Feet binary search data structures dp dsu *1900	0 / 0	(无)
	4871	P549H Degenerate Matrix binary search math *2100	0 / 0	(无)
	4863	P551C GukiZ hates Boxes binary search greedy *2200	0 / 0	(无)
	4861	P551E GukiZ and GukiZiana binary search data structures implementation *2500	0 / 0	(无)
	4854	P553B Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math *1900	0 / 0	(无)
	4852	P553D Nudist Beach binary search graphs greedy *2300	0 / 0	(无)
	4845	P555D Case of a Top Secret binary search implementation math *2500	0 / 0	(无)
	4815	P567C Geometric Progression binary search data structures dp *1700	0 / 0	(无)
	4814	P567D One-Dimensional Battle Ships binary search data structures greedy sortings *1700	0 / 0	(无)
	4801	P570D Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees *2200	0 / 0	(无)
	4796	P571D Campus binary search data structures dsu trees *3100	0 / 0	(无)
	4791	P573B Bear and Blocks binary search data structures dp math *1600	0 / 0	(无)
	4772	P576E Painting Edges binary search data structures *3300	0 / 0	(无)
	4760	P580B Kefa and Company binary search sortings two pointers *1500	0 / 0	(无)
	4727	P587D Duff in Mafia 2-sat binary search *3100	0 / 0	(无)
	4721	P590B Chip 'n Dale Rescue Rangers binary search geometry math *2100	0 / 0	(无)
	4711	P592E BCPC binary search geometry two pointers *2700	0 / 0	(无)
	4704	P594B Max and Bike binary search geometry *2500	0 / 0	(无)
	4699	P595B Pasha and Phone binary search math *1600	0 / 0	(无)
	4678	P600B Queries about less or equal elements binary search data structures sortings two pointers *1300	0 / 0	(无)
	4660	P604B More Cowbell binary search greedy *1400	0 / 0	(无)
	4652	P607A Chain Reaction binary search dp *1600	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

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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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