	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5135	P484A Bits bitmasks constructive algorithms *1700	0 / 0	(无)
	5131	P484E Sign on Fence binary search constructive algorithms data structures *2500	0 / 0	(无)
	5121	P487C Prefix Product Sequence constructive algorithms math number theory *2300	0 / 0	(无)
	5117	P488B Candy Boxes brute force constructive algorithms math *1900	0 / 0	(无)
	5104	P491A Up the hill constructive algorithms implementation *1000	0 / 0	(无)
	5093	P493D Vasya and Chess constructive algorithms games math *1700	0 / 0	(无)
	5083	P496B Secret Combination brute force constructive algorithms implementation *1500	0 / 0	(无)
	5082	P496C Removing Columns brute force constructive algorithms implementation *1500	0 / 0	(无)
	5068	P500C New Year Book Reading constructive algorithms greedy implementation math *1600	0 / 0	(无)
	5061	P501C Misha and Forest constructive algorithms data structures greedy sortings trees *1500	0 / 0	(无)
	5042	P508C Anya and Ghosts constructive algorithms greedy *1600	0 / 0	(无)
	5038	P509B Painting Pebbles constructive algorithms greedy implementation *1300	0 / 0	(无)
	5036	P509D Restoring Numbers constructive algorithms math *2200	0 / 0	(无)
	5027	P512E Fox And Polygon constructive algorithms divide and conquer *2900	0 / 0	(无)
	5026	P513A Game constructive algorithms math *800	0 / 0	(无)
	5021	P513D2 Constrained Tree constructive algorithms data structures *2600	0 / 0	(无)
	5005	P515D Drazil and Tiles constructive algorithms greedy *2000	0 / 0	(无)
	5001	P518A Vitaly and Strings constructive algorithms strings *1600	0 / 0	(无)
	4999	P518C Anya and Smartphone constructive algorithms data structures implementation *1600	0 / 0	(无)
	4968	P525B Pasha and String constructive algorithms greedy math strings *1400	0 / 0	(无)
	4966	P525D Arthur and Walls constructive algorithms data structures graphs greedy shortest paths *2400	0 / 0	(无)
	4936	P533E Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers *1800	0 / 0	(无)
	4934	P534A Exam constructive algorithms implementation math *1100	0 / 0	(无)
	4931	P534D Handshakes binary search constructive algorithms data structures greedy *1900	0 / 0	(无)
	4930	P534E Berland Local Positioning System constructive algorithms greedy hashing implementation *2400	0 / 0	(无)
	4920	P538B Quasi Binary constructive algorithms dp greedy implementation *1400	0 / 0	(无)
	4918	P538D Weird Chess brute force constructive algorithms implementation *1800	0 / 0	(无)
	4915	P538G Berserk Robot constructive algorithms math sortings *3100	0 / 0	(无)
	4906	P542C Idempotent functions constructive algorithms graphs math *2000	0 / 0	(无)
	4901	P543B Destroying Roads constructive algorithms graphs shortest paths *2100	0 / 0	(无)
	4898	P543E Listening to Music constructive algorithms data structures *3200	0 / 0	(无)
	4896	P544B Sea and Islands constructive algorithms implementation *1400	0 / 0	(无)
	4887	P546D Soldier and Number Game constructive algorithms dp math number theory *1700	0 / 0	(无)
	4882	P547D Mike and Fish constructive algorithms dfs and similar graphs *2600	0 / 0	(无)
	4877	P549B Looksery Party constructive algorithms dfs and similar graphs greedy *2300	0 / 0	(无)
	4872	P549G Happy Line constructive algorithms greedy sortings *2200	0 / 0	(无)
	4867	P550D Regular Bridge constructive algorithms graphs implementation *1900	0 / 0	(无)
	4866	P550E Brackets in Implications constructive algorithms greedy implementation math *2200	0 / 0	(无)
	4864	P551B ZgukistringZ brute force constructive algorithms implementation strings *1800	0 / 0	(无)
	4854	P553B Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math *1900	0 / 0	(无)
	4840	P557B Pasha and Tea constructive algorithms implementation math sortings *1500	0 / 0	(无)
	4825	P560B Gerald is into Art constructive algorithms implementation *1200	0 / 0	(无)
	4823	P566B Replicating Processes constructive algorithms greedy *2600	0 / 0	(无)
	4820	P566E Restoring Map bitmasks constructive algorithms trees *3200	0 / 0	(无)
	4803	P570B Simple Game constructive algorithms games greedy implementation math *1300	0 / 0	(无)
	4802	P570C Replacement constructive algorithms data structures implementation *1600	0 / 0	(无)
	4801	P570D Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees *2200	0 / 0	(无)
	4797	P571C CNF 2 constructive algorithms dfs and similar graphs greedy *2500	0 / 0	(无)
	4790	P573C Bear and Drawing constructive algorithms dfs and similar trees *2300	0 / 0	(无)
	4782	P575D Tablecity constructive algorithms implementation *1700	0 / 0	(无)
	4775	P576B Invariance of Tree constructive algorithms dfs and similar greedy trees *2100	0 / 0	(无)
	4774	P576C Points on Plane constructive algorithms divide and conquer geometry greedy sortings *2100	0 / 0	(无)
	4765	P578E Walking! constructive algorithms greedy *2700	0 / 0	(无)
	4753	P581D Three Logos bitmasks brute force constructive algorithms geometry implementation math *1700	0 / 0	(无)
	4749	P582B Once Again... constructive algorithms dp matrices *1900	0 / 0	(无)
	4741	P584C Marina and Vasya constructive algorithms greedy strings *1700	0 / 0	(无)
	4739	P584E Anton and Ira constructive algorithms greedy math *2300	0 / 0	(无)
	4708	P593C Beautiful Function constructive algorithms math *2200	0 / 0	(无)
	4700	P595A Vitaly and Night constructive algorithms implementation *800	0 / 0	(无)
	4677	P600C Make Palindrome constructive algorithms greedy strings *1800	0 / 0	(无)
	4659	P605A Sorting Railway Cars constructive algorithms greedy *1600	0 / 0	(无)
	4658	P605B Lazy Student constructive algorithms data structures graphs *1700	0 / 0	(无)
	4644	P609B The Best Gift constructive algorithms implementation *1100	0 / 0	(无)
	4638	P610B Vika and Squares constructive algorithms implementation *1300	0 / 0	(无)
	4637	P610C Harmony Analysis constructive algorithms *1800	0 / 0	(无)
	4636	P610D Vika and Segments constructive algorithms data structures geometry two pointers *2300	0 / 0	(无)
	4627	P611H New Year and Forgotten Tree constructive algorithms flows graphs *3200	0 / 0	(无)
	4622	P612E Square Root of Permutation combinatorics constructive algorithms dfs and similar graphs math *2200	0 / 0	(无)
	4618	P613C Necklace constructive algorithms math *2500	0 / 0	(无)
	4599	P617D Polyline constructive algorithms implementation *1700	0 / 0	(无)
	4596	P618B Guess the Permutation constructive algorithms *1100	0 / 0	(无)
	4592	P618F Double Knapsack constructive algorithms two pointers *3000	0 / 0	(无)
	4581	P621D Rat Kwesh and Cheese brute force constructive algorithms math *2400	0 / 0	(无)
	4576	P622D Optimal Number Permutation constructive algorithms *1900	0 / 0	(无)
	4573	P623A Graph and String constructive algorithms graphs *1800	0 / 0	(无)
	4565	P625B War of the Corporations constructive algorithms greedy strings *1200	0 / 0	(无)
	4564	P625C K-special Tables constructive algorithms implementation *1300	0 / 0	(无)
	4563	P625D Finals in arithmetic constructive algorithms implementation math *2400	0 / 0	(无)
	4560	P626B Cards constructive algorithms dp math *1300	0 / 0	(无)
	4542	P629A Far Relative’s Birthday Cake brute force combinatorics constructive algorithms implementation *800	0 / 0	(无)
	4518	P631B Print Check constructive algorithms implementation *1200	0 / 0	(无)
	4513	P632B Alice, Bob, Two Teams brute force constructive algorithms *1400	0 / 0	(无)
	4507	P633B A Trivial Problem brute force constructive algorithms math number theory *1300	0 / 0	(无)
	4504	P633E Startup Funding binary search constructive algorithms data structures probabilities two pointers *2400	0 / 0	(无)
	4500	P634A Island Puzzle constructive algorithms implementation *1300	0 / 0	(无)
	4498	P637A Voting for Photos special problem constructive algorithms implementation 1000	0 / 0	(无)
	4497	P637B Chat Order special problem binary search constructive algorithms data structures sortings 1200	0 / 0	(无)
	4496	P637C Promocodes with Mistakes special problem brute force constructive algorithms implementation 1400	0 / 0	(无)
	4494	P638A Home Numbers special problem constructive algorithms math 1100	0 / 0	(无)
	4489	P639B Bear and Forgotten Tree 3 constructive algorithms graphs trees *1600	0 / 0	(无)
	4482	P641C Little Artem and Dance brute force constructive algorithms implementation *1800	0 / 0	(无)
	4476	P643B Bear and Two Paths constructive algorithms graphs *1600	0 / 0	(无)
	4470	P644A Parliament of Berland special problem constructive algorithms 1000	0 / 0	(无)
	4469	P644B Processing Queries special problem constructive algorithms data structures two pointers 1700	0 / 0	(无)
	4467	P645A Amity Assessment brute force constructive algorithms implementation *1200	0 / 0	(无)
	4448	P652F Ants on a Circle constructive algorithms math *2800	0 / 0	(无)
	4431	P659B Qualifying Contest constructive algorithms sortings *1300	0 / 0	(无)
	4408	P662D International Olympiad constructive algorithms greedy implementation math *2000	0 / 0	(无)
	4406	P663A Rebus constructive algorithms expression parsing greedy math *1800	0 / 0	(无)
	4401	P665D Simple Subset constructive algorithms greedy number theory *1800	0 / 0	(无)

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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

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肖飞、关玉蓉、魏银珍、周芬

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