	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7194	P6E Exposition binary search data structures dsu trees two pointers *1900	0 / 0	(无)
	7185	P8D Two Friends binary search geometry *2600	0 / 0	(无)
	7169	P11E Forward, march! binary search dp greedy *2800	0 / 0	(无)
	7146	P16C Monitor binary search number theory *1800	0 / 0	(无)
	7123	P21C Stripe 2 binary search dp sortings *2000	0 / 0	(无)
	7107	P24E Berland collider binary search *2300	0 / 0	(无)
	7088	P28D Don't fear, DravDe is kind binary search data structures dp hashing *2400	0 / 0	(无)
	7077	P30E Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings *2800	0 / 0	(无)
	6954	P50D Bombing binary search dp probabilities *2100	0 / 0	(无)
	6950	P51C Three Base Stations binary search greedy *1800	0 / 0	(无)
	6942	P53B Blog Photo binary search implementation *1700	0 / 0	(无)
	6924	P56E Domino Principle binary search data structures sortings *2200	0 / 0	(无)
	6897	P62B Tyndex.Brome binary search implementation *1800	0 / 0	(无)
	6877	P65C Harry Potter and the Golden Snitch binary search geometry *2100	0 / 0	(无)
	6866	P67D Optical Experiment binary search data structures dp *1900	0 / 0	(无)
	6863	P68B Energy exchange binary search *1600	0 / 0	(无)
	6852	P70C Lucky Tickets binary search data structures sortings two pointers *2200	0 / 0	(无)
	6834	P73B Need For Brake binary search greedy sortings *2000	0 / 0	(无)
	6822	P75C Modified GCD binary search number theory *1600	0 / 0	(无)
	6814	P76F Tourist binary search data structures dp *2300	0 / 0	(无)
	6805	P78D Archer's Shot binary search geometry math two pointers *2300	0 / 0	(无)
	6785	P83B Doctor binary search math sortings *1800	0 / 0	(无)
	6780	P84C Biathlon binary search implementation *1700	0 / 0	(无)
	6777	P85C Petya and Tree binary search dfs and similar probabilities sortings trees *2200	0 / 0	(无)
	6776	P85D Sum of Medians binary search brute force data structures implementation *2300	0 / 0	(无)
	6775	P85E Guard Towers binary search dsu geometry graphs sortings *2600	0 / 0	(无)
	6754	P91B Queue binary search data structures *1500	0 / 0	(无)
	6735	P96B Lucky Numbers (easy) binary search bitmasks brute force *1300	0 / 0	(无)
	6732	P97C Winning Strategy binary search graphs math shortest paths *2400	0 / 0	(无)
	6711	P101B Buses binary search data structures dp *1700	0 / 0	(无)
	6674	P111B Petya and Divisors binary search data structures number theory *1900	0 / 0	(无)
	6626	P121D Lucky Segments binary search implementation two pointers *2500	0 / 0	(无)
	6611	P125E MST Company binary search graphs *2400	0 / 0	(无)
	6610	P126A Hot Bath binary search brute force math *1900	0 / 0	(无)
	6609	P126B Password binary search dp hashing string suffix structures strings *1700	0 / 0	(无)
	6581	P131F Present to Mom binary search two pointers *2000	0 / 0	(无)
	6556	P138C Mushroom Gnomes - 2 binary search data structures probabilities sortings *2200	0 / 0	(无)
	6549	P140C New Year Snowmen binary search data structures greedy *1800	0 / 0	(无)
	6520	P147B Smile House binary search graphs matrices *2500	0 / 0	(无)
	6505	P150E Freezing with Style binary search data structures divide and conquer trees *3000	0 / 0	(无)
	6501	P152B Steps binary search implementation *1300	0 / 0	(无)
	6471	P159C String Manipulation 1.0 special problem binary search brute force data structures strings 1400	0 / 0	(无)
	6464	P160E Buses and People binary search data structures sortings *2400	0 / 0	(无)
	6463	P161A Dress'em in Vests! binary search brute force greedy two pointers *1300	0 / 0	(无)
	6447	P163B Lemmings binary search *2000	0 / 0	(无)
	6440	P164D Minimum Diameter binary search brute force *3100	0 / 0	(无)
	6437	P165B Burning Midnight Oil binary search implementation *1500	0 / 0	(无)
	6436	P165C Another Problem on Strings binary search brute force dp math strings two pointers *1600	0 / 0	(无)
	6433	P166A Rank List binary search implementation sortings *1100	0 / 0	(无)
	6379	P177E1 Space Voyage binary search *1700	0 / 0	(无)
	6378	P177E2 Space Voyage binary search *1900	0 / 0	(无)
	6351	P180E Cubes binary search dp two pointers *1800	0 / 0	(无)
	6348	P181B Number of Triplets binary search brute force *1300	0 / 0	(无)
	6333	P185E Soap Time! - 2 binary search data structures *3000	0 / 0	(无)
	6306	P191E Thwarting Demonstrations binary search data structures trees *2200	0 / 0	(无)
	6305	P192A Funky Numbers binary search brute force implementation *1300	0 / 0	(无)
	6296	P195A Let's Watch Football binary search brute force math *1000	0 / 0	(无)
	6282	P198C Delivering Carcinogen binary search geometry *2400	0 / 0	(无)
	6280	P198E Gripping Story binary search data structures sortings *2400	0 / 0	(无)
	6274	P200D Programming Language binary search brute force expression parsing implementation *1800	0 / 0	(无)
	6268	P201E Thoroughly Bureaucratic Organization binary search combinatorics *2600	0 / 0	(无)
	6267	P202A LLPS binary search bitmasks brute force greedy implementation strings *800	0 / 0	(无)
	6260	P204A Little Elephant and Interval binary search combinatorics dp *1500	0 / 0	(无)
	6259	P204B Little Elephant and Cards binary search data structures *1500	0 / 0	(无)
	6230	P208E Blood Cousins binary search data structures dfs and similar trees *2100	0 / 0	(无)
	6223	P212D Cutting a Fence binary search data structures dsu *2500	0 / 0	(无)
	6206	P216D Spider's Web binary search sortings two pointers *1700	0 / 0	(无)
	6182	P222D Olympiad binary search greedy sortings two pointers *1900	0 / 0	(无)
	6172	P225B Well-known Numbers binary search greedy number theory *1600	0 / 0	(无)
	6155	P229B Planets binary search data structures graphs shortest paths *1700	0 / 0	(无)
	6150	P230B T-primes binary search implementation math number theory *1300	0 / 0	(无)
	6147	P231C To Add or Not to Add binary search sortings two pointers *1600	0 / 0	(无)
	6144	P232A Cycles binary search constructive algorithms graphs greedy *1600	0 / 0	(无)
	6141	P232D Fence binary search data structures string suffix structures *2900	0 / 0	(无)
	6138	P233B Non-square Equation binary search brute force math *1400	0 / 0	(无)
	6120	P237C Primes on Interval binary search number theory two pointers *1600	0 / 0	(无)
	6107	P241B Friends binary search bitmasks data structures math *2700	0 / 0	(无)
	6084	P245F Log Stream Analysis binary search brute force implementation strings *2000	0 / 0	(无)
	6077	P246E Blood Cousins Return binary search data structures dfs and similar dp sortings *2400	0 / 0	(无)
	6074	P248C Robo-Footballer binary search geometry *2000	0 / 0	(无)
	6073	P248D Sweets for Everyone! binary search greedy implementation *2300	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)
	6053	P253E Printer binary search data structures implementation sortings *2200	0 / 0	(无)
	6044	P255D Mr binary search implementation math *1800	0 / 0	(无)
	6033	P258C Little Elephant and LCM binary search combinatorics dp math *2000	0 / 0	(无)
	6024	P260E Dividing Kingdom binary search brute force data structures *2500	0 / 0	(无)
	5983	P271B Prime Matrix binary search brute force math number theory *1300	0 / 0	(无)
	5972	P274A k-Multiple Free Set binary search greedy sortings *1500	0 / 0	(无)
	5952	P279B Books binary search brute force implementation two pointers *1400	0 / 0	(无)
	5918	P287B Pipeline binary search math *1700	0 / 0	(无)
	5864	P300E Empire Strikes Back binary search math number theory *2300	0 / 0	(无)
	5862	P301B Yaroslav and Time binary search graphs shortest paths *2100	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)
	5838	P309C Memory for Arrays binary search bitmasks greedy *1900	0 / 0	(无)
	5836	P309E Sheep binary search greedy *2900	0 / 0	(无)
	5822	P314B Sereja and Periods binary search dfs and similar strings *2000	0 / 0	(无)
	5820	P314D Sereja and Straight Lines binary search data structures geometry sortings two pointers *2500	0 / 0	(无)
	5784	P321A Ciel and Robot binary search implementation math *1700	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

状态

支持

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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