	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7196	P6C Alice, Bob and Chocolate greedy two pointers *1200	0 / 0	(无)
	7194	P6E Exposition binary search data structures dsu trees two pointers *1900	0 / 0	(无)
	7155	P14D Two Paths dfs and similar dp graphs shortest paths trees two pointers *1900	0 / 0	(无)
	7003	P43E Race brute force implementation two pointers *2300	0 / 0	(无)
	6980	P46C Hamsters and Tigers two pointers *1600	0 / 0	(无)
	6964	P48G Galaxy Union dp trees two pointers *2700	0 / 0	(无)
	6929	P55E Very simple problem geometry two pointers *2500	0 / 0	(无)
	6908	P60A Where Are My Flakes? implementation two pointers *1300	0 / 0	(无)
	6852	P70C Lucky Tickets binary search data structures sortings two pointers *2200	0 / 0	(无)
	6818	P76B Mice greedy two pointers *2100	0 / 0	(无)
	6805	P78D Archer's Shot binary search geometry math two pointers *2300	0 / 0	(无)
	6801	P79C Beaver data structures dp greedy hashing strings two pointers *1800	0 / 0	(无)
	6771	P86D Powerful array data structures implementation math two pointers *2200	0 / 0	(无)
	6626	P121D Lucky Segments binary search implementation two pointers *2500	0 / 0	(无)
	6581	P131F Present to Mom binary search two pointers *2000	0 / 0	(无)
	6554	P138E Hellish Constraints brute force dp two pointers *2900	0 / 0	(无)
	6463	P161A Dress'em in Vests! binary search brute force greedy two pointers *1300	0 / 0	(无)
	6446	P163C Conveyor sortings two pointers *2100	0 / 0	(无)
	6442	P164B Ancient Berland Hieroglyphs two pointers *2000	0 / 0	(无)
	6436	P165C Another Problem on Strings binary search brute force dp math strings two pointers *1600	0 / 0	(无)
	6430	P166D Shoe Store dp graph matchings greedy sortings two pointers *2500	0 / 0	(无)
	6396	P175C Geometry Horse greedy implementation sortings two pointers *1600	0 / 0	(无)
	6351	P180E Cubes binary search dp two pointers *1800	0 / 0	(无)
	6312	P190D Non-Secret Cypher two pointers *1900	0 / 0	(无)
	6261	P203E Transportation greedy sortings two pointers *2300	0 / 0	(无)
	6256	P204E Little Elephant and Strings data structures implementation string suffix structures two pointers *2800	0 / 0	(无)
	6206	P216D Spider's Web binary search sortings two pointers *1700	0 / 0	(无)
	6188	P220E Little Elephant and Inversions data structures two pointers *2400	0 / 0	(无)
	6182	P222D Olympiad binary search greedy sortings two pointers *1900	0 / 0	(无)
	6174	P224B Array bitmasks implementation two pointers *1500	0 / 0	(无)
	6156	P229A Shifts brute force two pointers *1500	0 / 0	(无)
	6153	P229D Towers dp greedy two pointers *2100	0 / 0	(无)
	6147	P231C To Add or Not to Add binary search sortings two pointers *1600	0 / 0	(无)
	6120	P237C Primes on Interval binary search number theory two pointers *1600	0 / 0	(无)
	6093	P243D Cubes data structures dp geometry two pointers *2700	0 / 0	(无)
	6066	P250D Building Bridge geometry ternary search two pointers *1900	0 / 0	(无)
	6064	P251A Points on Line binary search combinatorics two pointers *1300	0 / 0	(无)
	6056	P253B Physics Practical binary search dp sortings two pointers *1400	0 / 0	(无)
	6054	P253D Table with Letters - 2 brute force two pointers *2000	0 / 0	(无)
	6019	P261E Maxim and Calculator brute force dp two pointers *2800	0 / 0	(无)
	6011	P264A Escape from Stones constructive algorithms data structures implementation two pointers *1200	0 / 0	(无)
	6008	P264D Colorful Stones dp two pointers *2500	0 / 0	(无)
	5952	P279B Books binary search brute force implementation two pointers *1400	0 / 0	(无)
	5951	P279C Ladder dp implementation two pointers *1700	0 / 0	(无)
	5947	P280B Maximum Xor Secondary data structures implementation two pointers *1800	0 / 0	(无)
	5942	P281B Nearest Fraction brute force implementation two pointers *1700	0 / 0	(无)
	5891	P293D Ksusha and Square geometry math probabilities two pointers *2700	0 / 0	(无)
	5857	P302B Eugeny and Play List binary search implementation two pointers *1200	0 / 0	(无)
	5840	P309A Morning run binary search math two pointers *2000	0 / 0	(无)
	5839	P309B Context Advertising dp two pointers *2100	0 / 0	(无)
	5820	P314D Sereja and Straight Lines binary search data structures geometry sortings two pointers *2500	0 / 0	(无)
	5792	P318B Strings of Power implementation strings two pointers *1300	0 / 0	(无)
	5694	P343C Read Time binary search greedy two pointers *1900	0 / 0	(无)
	5629	P359D Pair of Numbers binary search brute force data structures math two pointers *2000	0 / 0	(无)
	5606	P364E Empty Rectangles divide and conquer two pointers *3000	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)
	5577	P371E Subway Innovation greedy math two pointers *2000	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)
	5538	P381A Sereja and Dima greedy implementation two pointers *800	0 / 0	(无)
	5530	P383B Volcanoes binary search implementation sortings two pointers *2500	0 / 0	(无)
	5525	P384B Multitasking greedy implementation sortings two pointers *1500	0 / 0	(无)
	5517	P386C Diverse Substrings dp strings two pointers *2000	0 / 0	(无)
	5514	P387B George and Round brute force greedy two pointers *1200	0 / 0	(无)
	5498	P391A Genetic Engineering implementation two pointers	0 / 0	(无)
	5432	P406E Hamming Triples implementation math two pointers *2800	0 / 0	(无)
	5399	P414D Mashmokh and Water Tanks binary search data structures greedy trees two pointers *2300	0 / 0	(无)
	5395	P416A Guess a number! greedy implementation two pointers *1400	0 / 0	(无)
	5381	P420C Bug in Code data structures graphs implementation two pointers *1900	0 / 0	(无)
	5362	P427C Checkposts dfs and similar graphs two pointers *1700	0 / 0	(无)
	5353	P430B Balls Game brute force two pointers *1400	0 / 0	(无)
	5344	P432D Prefixes and Suffixes dp string suffix structures strings two pointers *2000	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)
	5289	P446A DZY Loves Sequences dp implementation two pointers *1600	0 / 0	(无)
	5208	P466C Number of Ways binary search brute force data structures dp two pointers *1700	0 / 0	(无)
	5134	P484B Maximum Value binary search math sortings two pointers *2100	0 / 0	(无)
	5122	P487B Strip binary search data structures dp two pointers *2000	0 / 0	(无)
	5115	P489B BerSU Ball dfs and similar dp graph matchings greedy sortings two pointers *1200	0 / 0	(无)
	5094	P493C Vasya and Basketball binary search brute force data structures implementation sortings two pointers *1600	0 / 0	(无)
	5076	P498B Name That Tune dp probabilities two pointers *2400	0 / 0	(无)
	5054	P505C Mr dfs and similar dp two pointers *1900	0 / 0	(无)
	5010	P514D R2D2 and Droid Army binary search data structures two pointers *2000	0 / 0	(无)
	5003	P516D Drazil and Morning Exercise dfs and similar dp dsu trees two pointers *2800	0 / 0	(无)
	4992	P519D A and B and Interesting Substrings data structures dp two pointers *1800	0 / 0	(无)
	4972	P524D Social Network greedy two pointers *2100	0 / 0	(无)
	4936	P533E Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers *1800	0 / 0	(无)
	4770	P577B Modulo Sum combinatorics data structures dp two pointers *1900	0 / 0	(无)
	4760	P580B Kefa and Company binary search sortings two pointers *1500	0 / 0	(无)
	4751	P581F Zublicanes and Mumocrates dp trees two pointers *2400	0 / 0	(无)
	4711	P592E BCPC binary search geometry two pointers *2700	0 / 0	(无)
	4703	P594C Edo and Magnets brute force greedy implementation two pointers *2300	0 / 0	(无)
	4678	P600B Queries about less or equal elements binary search data structures sortings two pointers *1300	0 / 0	(无)
	4667	P602B Approximating a Constant Range dp implementation two pointers *1400	0 / 0	(无)
	4642	P609D Gadgets for dollars and pounds binary search greedy two pointers *2000	0 / 0	(无)
	4636	P610D Vika and Segments constructive algorithms data structures geometry two pointers *2300	0 / 0	(无)
	4628	P611G New Year and Cake geometry two pointers *2900	0 / 0	(无)
	4619	P613B Skills binary search brute force dp greedy sortings two pointers *1900	0 / 0	(无)
	4605	P616D Longest k-Good Segment binary search data structures two pointers *1600	0 / 0	(无)
	4592	P618F Double Knapsack constructive algorithms two pointers *3000	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

特别鸣谢

肖飞、关玉蓉、魏银珍、周芬

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