	ID	题目显示标签隐藏标签	AC / 尝试	难度
	1053	P1365E Maximum Subsequence Value brute force constructive algorithms *1900	0 / 0	(无)
	1046	P1366E Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers *2100	0 / 0	(无)
	1039	P1367E Necklace Assembly brute force dfs and similar dp graphs greedy number theory *1900	0 / 0	(无)
	1036	P1368A C+= brute force greedy implementation math *800	0 / 0	(无)
	1035	P1368B Codeforces Subsequences brute force constructive algorithms greedy math strings *1500	0 / 0	(无)
	1010	P1371E1 Asterism (Easy Version) binary search brute force combinatorics math number theory sortings *1900	0 / 0	(无)
	1004	P1372D Omkar and Circle brute force dp games greedy *2100	0 / 0	(无)
	997	P1373E Sum of Digits brute force constructive algorithms dp greedy *2200	0 / 0	(无)
	988	P1374F Cyclic Shifts Sorting brute force constructive algorithms implementation sortings *2400	0 / 0	(无)
	984	P1375D Replace by MEX brute force constructive algorithms sortings *1900	0 / 0	(无)
	981	P1375G Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees *2800	0 / 0	(无)
	978	P1379A Acacius and String brute force implementation strings *1500	0 / 0	(无)
	977	P1379B Dubious Cyrpto binary search brute force math number theory *1500	0 / 0	(无)
	976	P1379C Choosing flowers binary search brute force data structures dfs and similar dp greedy sortings two pointers *2000	0 / 0	(无)
	975	P1379D New Passenger Trams binary search brute force data structures sortings two pointers *2300	0 / 0	(无)
	971	P1380A Three Indices brute force data structures *900	0 / 0	(无)
	969	P1380C Create The Teams brute force dp greedy implementation sortings *1400	0 / 0	(无)
	958	P1382A Common Subsequence brute force *800	0 / 0	(无)
	953	P1383D Rearrange brute force constructive algorithms graphs greedy sortings *2800	0 / 0	(无)
	949	P1384B1 Koa and the Beach (Easy Version) brute force dp greedy *1900	0 / 0	(无)
	944	P1385D a-Good String bitmasks brute force divide and conquer dp implementation *1500	0 / 0	(无)
	933	P1388A Captain Flint and Crew Recruitment brute force greedy math number theory *800	0 / 0	(无)
	927	P1389B Array Walk brute force dp greedy *1600	0 / 0	(无)
	926	P1389C Good String brute force dp greedy two pointers *1500	0 / 0	(无)
	925	P1389D Segment Intersections brute force greedy implementation math *2100	0 / 0	(无)
	920	P1391B Fix You brute force greedy implementation *800	0 / 0	(无)
	918	P1391D 505 bitmasks brute force constructive algorithms dp greedy implementation *2000	0 / 0	(无)
	900	P1394B Boboniu Walks on Graph brute force dfs and similar graphs hashing *2300	0 / 0	(无)
	896	P1395A Boboniu Likes to Color Balls brute force math *1000	0 / 0	(无)
	894	P1395C Boboniu and Bit Operations bitmasks brute force dp greedy *1600	0 / 0	(无)
	892	P1396B Stoned Game brute force constructive algorithms games greedy *1800	0 / 0	(无)
	887	P1397B Power Sequence brute force math number theory sortings *1500	0 / 0	(无)
	877	P1399C Boats Competition brute force greedy two pointers *1200	0 / 0	(无)
	871	P1400B RPG Protagonist brute force greedy math *1700	0 / 0	(无)
	870	P1400C Binary String Reconstruction 2-sat brute force constructive algorithms greedy *1500	0 / 0	(无)
	869	P1400D Zigzags brute force combinatorics data structures math two pointers *1900	0 / 0	(无)
	867	P1400F x-prime Substrings brute force dfs and similar dp string suffix structures strings *2800	0 / 0	(无)
	866	P1400G Mercenaries bitmasks brute force combinatorics dp dsu math two pointers *2600	0 / 0	(无)
	845	P1406B Maximum Product brute force dp greedy implementation sortings *1200	0 / 0	(无)
	840	P1407B Big Vova brute force greedy math number theory *1300	0 / 0	(无)
	833	P1408D Searchlights binary search brute force data structures dp implementation sortings two pointers *2000	0 / 0	(无)
	826	P1409B Minimum Product brute force greedy math *1100	0 / 0	(无)
	825	P1409C Yet Another Array Restoration brute force math number theory *1200	0 / 0	(无)
	820	P1411B Fair Numbers brute force number theory *1000	0 / 0	(无)
	818	P1411D Grime Zoo brute force greedy implementation strings *2100	0 / 0	(无)
	812	P1413C Perform Easily binary search brute force dp implementation sortings two pointers *1900	0 / 0	(无)
	808	P1415A Prison Break brute force math *800	0 / 0	(无)
	807	P1415B Repainting Street brute force brute force greedy *1100	0 / 0	(无)
	806	P1415C Bouncing Ball brute force dp implementation *1400	0 / 0	(无)
	805	P1415D XOR-gun bitmasks brute force constructive algorithms *2000	0 / 0	(无)
	786	P1419B Stairs brute force constructive algorithms greedy implementation math *1200	0 / 0	(无)
	783	P1419D2 Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers *1500	0 / 0	(无)
	771	P1421D Hexagons brute force constructive algorithms greedy implementation math shortest paths *1900	0 / 0	(无)
	770	P1421E Swedish Heroes brute force dp implementation *2700	0 / 0	(无)
	735	P1426E Rock, Paper, Scissors brute force constructive algorithms flows greedy math *1800	0 / 0	(无)
	723	P1428C ABBB brute force data structures greedy strings *1100	0 / 0	(无)
	716	P1430A Number of Apartments brute force constructive algorithms math *900	0 / 0	(无)
	702	P1431H Rogue-like Game special problem brute force greedy two pointers 2600	0 / 0	(无)
	693	P1433G Reducing Delivery Cost brute force graphs shortest paths *2100	0 / 0	(无)
	685	P1437A Marketing Scheme brute force constructive algorithms greedy math *800	0 / 0	(无)
	674	P1438E Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers *2500	0 / 0	(无)
	655	P1443E Long Permutation brute force math two pointers *2400	0 / 0	(无)
	654	P1444A Division brute force math number theory *1500	0 / 0	(无)
	650	P1444E Finding the Vertex brute force dfs and similar dp interactive trees *3500	0 / 0	(无)
	637	P1450B Balls of Steel brute force geometry greedy *1000	0 / 0	(无)
	617	P1452E Two Editorials brute force dp greedy sortings two pointers *2500	0 / 0	(无)
	611	P1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	(无)
	598	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	(无)
	585	P1461B Find the Spruce brute force dp implementation *1400	0 / 0	(无)
	583	P1461D Divide and Summarize binary search brute force data structures divide and conquer implementation sortings *1600	0 / 0	(无)
	582	P1461E Water Level brute force graphs greedy implementation math *2200	0 / 0	(无)
	578	P1462C Unique Number brute force greedy math *900	0 / 0	(无)
	566	P1466A Bovine Dilemma brute force geometry math *800	0 / 0	(无)
	562	P1466E Apollo versus Pan bitmasks brute force math *1800	0 / 0	(无)
	556	P1467B Hills And Valleys brute force implementation *1700	0 / 0	(无)
	542	P1468K The Robot brute force implementation *1600	0 / 0	(无)
	535	P1469D Ceil Divisions brute force constructive algorithms math number theory *1700	0 / 0	(无)
	534	P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	(无)
	530	P1470C Strange Shuffle binary search brute force constructive algorithms interactive *2500	0 / 0	(无)
	525	P1471B Strange List brute force greedy implementation math *1100	0 / 0	(无)
	519	P1472F New Year's Puzzle brute force dp graph matchings greedy sortings *2100	0 / 0	(无)
	516	P1473B String LCM brute force math number theory strings *1000	0 / 0	(无)
	508	P1474C Array Destruction brute force constructive algorithms data structures greedy implementation sortings *1700	0 / 0	(无)
	503	P1475B New Year's Number brute force dp math *900	0 / 0	(无)
	499	P1475F Unusual Matrix 2-sat brute force constructive algorithms *1900	0 / 0	(无)
	496	P1476B Inflation binary search brute force greedy math *1300	0 / 0	(无)
	484	P1478A Nezzar and Colorful Balls brute force greedy *800	0 / 0	(无)
	483	P1478B Nezzar and Lucky Number brute force dp greedy math *1100	0 / 0	(无)
	477	P1479D Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees *2900	0 / 0	(无)
	472	P1481B New Colony brute force greedy implementation *1100	0 / 0	(无)
	471	P1481C Fence Painting brute force constructive algorithms greedy *1600	0 / 0	(无)
	470	P1481D AB Graph brute force constructive algorithms graphs greedy implementation *2000	0 / 0	(无)
	465	P1482C Basic Diplomacy brute force constructive algorithms greedy implementation *1600	0 / 0	(无)
	459	P1485A Add and Divide brute force greedy math number theory *1000	0 / 0	(无)
	457	P1485C Floor and Mod binary search brute force math number theory *1700	0 / 0	(无)
	448	P1486E Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths *2200	0 / 0	(无)
	444	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	(无)
	443	P1487D Pythagorean Triples binary search brute force math number theory *1500	0 / 0	(无)
	442	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	(无)
	437	P1488C Two Policemen special problem binary search brute force math 1900	0 / 0	(无)

HGNU

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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