	ID	题目显示标签隐藏标签	AC / 尝试	难度
	993	P1374B Multiply by 2, divide by 6 math *900	0 / 0	(无)
	991	P1374D Zero Remainder Array math sortings two pointers *1400	0 / 0	(无)
	987	P1375A Sign Flipping constructive algorithms math *1100	0 / 0	(无)
	982	P1375F Integer Game constructive algorithms games interactive math *2600	0 / 0	(无)
	979	P1375I Cubic Lattice geometry math matrices number theory *3500	0 / 0	(无)
	977	P1379B Dubious Cyrpto binary search brute force math number theory *1500	0 / 0	(无)
	974	P1379E Inverse Genealogy constructive algorithms divide and conquer dp math trees *2800	0 / 0	(无)
	968	P1380D Berserk And Fireball constructive algorithms greedy implementation math two pointers *2000	0 / 0	(无)
	965	P1380G Circular Dungeon greedy math probabilities *2600	0 / 0	(无)
	959	P1381E Origami geometry math sortings *3300	0 / 0	(无)
	955	P1383B GameGame bitmasks constructive algorithms dp games greedy math *1900	0 / 0	(无)
	947	P1385A Three Pairwise Maximums math *800	0 / 0	(无)
	939	P1386B Mixture special problem data structures geometry math sortings 2900	0 / 0	(无)
	937	P1387A Graph special problem binary search dfs and similar dp math ternary search 2100	0 / 0	(无)
	933	P1388A Captain Flint and Crew Recruitment brute force greedy math number theory *800	0 / 0	(无)
	932	P1388B Captain Flint and a Long Voyage greedy math *1000	0 / 0	(无)
	931	P1388C Uncle Bogdan and Country Happiness dfs and similar greedy math trees *1800	0 / 0	(无)
	928	P1389A LCM Problem constructive algorithms greedy math number theory *800	0 / 0	(无)
	925	P1389D Segment Intersections brute force greedy implementation math *2100	0 / 0	(无)
	924	P1389E Calendar Ambiguity math number theory *2200	0 / 0	(无)
	921	P1391A Suborrays constructive algorithms math *800	0 / 0	(无)
	919	P1391C Cyclic Permutations combinatorics dp graphs math *1500	0 / 0	(无)
	916	P1392A Omkar and Password greedy math *800	0 / 0	(无)
	915	P1392B Omkar and Infinity Clock implementation math *800	0 / 0	(无)
	912	P1392E Omkar and Duck bitmasks constructive algorithms interactive math *2100	0 / 0	(无)
	911	P1392F Omkar and Landslide binary search constructive algorithms data structures greedy math *2400	0 / 0	(无)
	910	P1392G Omkar and Pies bitmasks dfs and similar dp math shortest paths *2900	0 / 0	(无)
	909	P1392H ZS Shuffles Cards combinatorics dp math probabilities *3000	0 / 0	(无)
	908	P1392I Kevin and Grid fft graphs math *3300	0 / 0	(无)
	907	P1393A Rainbow Dash, Fluttershy and Chess Coloring greedy math *800	0 / 0	(无)
	905	P1393C Pinkie Pie Eats Patty-cakes constructive algorithms greedy math sortings *1700	0 / 0	(无)
	896	P1395A Boboniu Likes to Color Balls brute force math *1000	0 / 0	(无)
	887	P1397B Power Sequence brute force math number theory sortings *1500	0 / 0	(无)
	886	P1398A Bad Triangle geometry math *800	0 / 0	(无)
	884	P1398C Good Subarrays data structures dp math *1600	0 / 0	(无)
	882	P1398E Two Types of Spells binary search data structures greedy implementation math sortings *2200	0 / 0	(无)
	880	P1398G Running Competition bitmasks fft math number theory *2600	0 / 0	(无)
	871	P1400B RPG Protagonist brute force greedy math *1700	0 / 0	(无)
	869	P1400D Zigzags brute force combinatorics data structures math two pointers *1900	0 / 0	(无)
	866	P1400G Mercenaries bitmasks brute force combinatorics dp dsu math two pointers *2600	0 / 0	(无)
	865	P1401A Distance and Axis constructive algorithms math *900	0 / 0	(无)
	864	P1401B Ternary Sequence constructive algorithms greedy math *1100	0 / 0	(无)
	863	P1401C Mere Array constructive algorithms math number theory sortings *1300	0 / 0	(无)
	862	P1401D Maximum Distributed Tree dfs and similar dp greedy implementation math number theory sortings trees *1800	0 / 0	(无)
	859	P1402A Fancy Fence special problem data structures dsu implementation math sortings 1800	0 / 0	(无)
	854	P1403C Chess Rush special problem combinatorics dp implementation math 3200	0 / 0	(无)
	850	P1404D Game of Pairs constructive algorithms dfs and similar interactive math number theory *2800	0 / 0	(无)
	846	P1406A Subset Mex greedy implementation math *900	0 / 0	(无)
	843	P1406D Three Sequences constructive algorithms data structures greedy math *2200	0 / 0	(无)
	842	P1406E Deleting Numbers interactive math number theory *2600	0 / 0	(无)
	841	P1407A Ahahahahahahahaha constructive algorithms math *1100	0 / 0	(无)
	840	P1407B Big Vova brute force greedy math number theory *1300	0 / 0	(无)
	839	P1407C Chocolate Bunny constructive algorithms interactive math two pointers *1600	0 / 0	(无)
	835	P1408B Arrays Sum constructive algorithms greedy math *1400	0 / 0	(无)
	834	P1408C Discrete Acceleration binary search dp implementation math two pointers *1500	0 / 0	(无)
	828	P1408I Bitwise Magic dp math *3200	0 / 0	(无)
	827	P1409A Yet Another Two Integers Problem greedy math *800	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)
	824	P1409D Decrease the Sum of Digits greedy math *1500	0 / 0	(无)
	817	P1411E Poman Numbers bitmasks greedy math strings *2300	0 / 0	(无)
	816	P1411F The Thorny Path greedy math *3000	0 / 0	(无)
	815	P1411G No Game No Life bitmasks games math matrices *2700	0 / 0	(无)
	814	P1413A Finding Sasuke constructive algorithms math *800	0 / 0	(无)
	810	P1413E Solo mid Oracle greedy math ternary search *2100	0 / 0	(无)
	808	P1415A Prison Break brute force math *800	0 / 0	(无)
	804	P1415E New Game Plus! constructive algorithms greedy math *2200	0 / 0	(无)
	801	P1416B Make Them Equal constructive algorithms greedy math *2000	0 / 0	(无)
	800	P1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	(无)
	796	P1417A Copy-paste greedy math *800	0 / 0	(无)
	795	P1417B Two Arrays greedy math sortings *1100	0 / 0	(无)
	794	P1418A Buying Torches math *1000	0 / 0	(无)
	789	P1418F Equal Product data structures math number theory two pointers *3000	0 / 0	(无)
	786	P1419B Stairs brute force constructive algorithms greedy implementation math *1200	0 / 0	(无)
	785	P1419C Killjoy greedy implementation math *1500	0 / 0	(无)
	782	P1419E Decryption constructive algorithms implementation math number theory *2100	0 / 0	(无)
	780	P1420A Cubes Sorting math sortings *900	0 / 0	(无)
	779	P1420B Rock and Lever bitmasks math *1200	0 / 0	(无)
	774	P1421A XORwice bitmasks greedy math *800	0 / 0	(无)
	771	P1421D Hexagons brute force constructive algorithms greedy implementation math shortest paths *1900	0 / 0	(无)
	769	P1422A Fence geometry math *800	0 / 0	(无)
	768	P1422B Nice Matrix greedy implementation math *1300	0 / 0	(无)
	767	P1422C Bargain combinatorics dp math *1700	0 / 0	(无)
	764	P1422F Boring Queries data structures math number theory *2700	0 / 0	(无)
	758	P1423F Coins math *2700	0 / 0	(无)
	754	P1423J Bubble Cup hypothesis bitmasks constructive algorithms dp math *2400	0 / 0	(无)
	753	P1423K Lonely Numbers binary search math number theory two pointers *1600	0 / 0	(无)
	745	P1425C Captain of Knights math *3100	0 / 0	(无)
	744	P1425D Danger of Mad Snakes combinatorics dp math *2300	0 / 0	(无)
	739	P1426A Floor Number implementation math *800	0 / 0	(无)
	737	P1426C Increase and Copy binary search constructive algorithms math *1100	0 / 0	(无)
	735	P1426E Rock, Paper, Scissors brute force constructive algorithms flows greedy math *1800	0 / 0	(无)
	733	P1427A Avoiding Zero math sortings *900	0 / 0	(无)
	729	P1427E Xum bitmasks constructive algorithms math matrices number theory *2500	0 / 0	(无)
	725	P1428A Box is Pull math *800	0 / 0	(无)
	721	P1428E Carrots for Rabbits binary search data structures greedy math sortings *2200	0 / 0	(无)
	716	P1430A Number of Apartments brute force constructive algorithms math *900	0 / 0	(无)
	714	P1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	(无)
	710	P1430G Yet Another DAG Problem bitmasks dfs and similar dp flows graphs math *2600	0 / 0	(无)
	699	P1433A Boring Apartments implementation math *800	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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