	ID	题目显示标签隐藏标签	AC / 尝试	难度
	768	P1422B Nice Matrix greedy implementation math *1300	0 / 0	(无)
	765	P1422E Minlexes dp greedy implementation strings *2700	0 / 0	(无)
	747	P1425A Arena of Greed games greedy *1400	0 / 0	(无)
	743	P1425E Excitation of Atoms greedy implementation *2200	0 / 0	(无)
	736	P1426D Non-zero Segments constructive algorithms data structures greedy sortings *1500	0 / 0	(无)
	735	P1426E Rock, Paper, Scissors brute force constructive algorithms flows greedy math *1800	0 / 0	(无)
	732	P1427B Chess Cheater greedy implementation sortings *1400	0 / 0	(无)
	728	P1427F Boring Card Game data structures greedy trees *3200	0 / 0	(无)
	723	P1428C ABBB brute force data structures greedy strings *1100	0 / 0	(无)
	722	P1428D Bouncing Boomerangs constructive algorithms greedy implementation *1900	0 / 0	(无)
	721	P1428E Carrots for Rabbits binary search data structures greedy math sortings *2200	0 / 0	(无)
	719	P1428G1 Lucky Numbers (Easy Version) dp greedy *2900	0 / 0	(无)
	718	P1428G2 Lucky Numbers (Hard Version) dp greedy *3000	0 / 0	(无)
	715	P1430B Barrels greedy implementation sortings *800	0 / 0	(无)
	714	P1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	(无)
	713	P1430D String Deletion binary search data structures greedy two pointers *1700	0 / 0	(无)
	712	P1430E String Reversal data structures greedy strings *1900	0 / 0	(无)
	711	P1430F Realistic Gameplay dp greedy *2600	0 / 0	(无)
	706	P1431D Used Markers special problem greedy 1500	0 / 0	(无)
	704	P1431F Neural Network Problem special problem binary search greedy 2100	0 / 0	(无)
	703	P1431G Number Deletion Game special problem dp games greedy 2100	0 / 0	(无)
	702	P1431H Rogue-like Game special problem brute force greedy two pointers 2600	0 / 0	(无)
	698	P1433B Yet Another Bookshelf greedy implementation *800	0 / 0	(无)
	697	P1433C Dominant Piranha constructive algorithms greedy *900	0 / 0	(无)
	688	P1436D Bandit in a City binary search dfs and similar graphs greedy trees *1900	0 / 0	(无)
	685	P1437A Marketing Scheme brute force constructive algorithms greedy math *800	0 / 0	(无)
	684	P1437B Reverse Binary Strings constructive algorithms greedy *1200	0 / 0	(无)
	683	P1437C Chef Monocarp dp flows graph matchings greedy math sortings *1800	0 / 0	(无)
	682	P1437D Minimal Height Tree graphs greedy shortest paths trees *1600	0 / 0	(无)
	677	P1438B Valerii Against Everyone constructive algorithms data structures greedy sortings *1000	0 / 0	(无)
	671	P1439A2 Binary Table (Hard Version) constructive algorithms graphs greedy implementation *1900	0 / 0	(无)
	669	P1439C Greedy Shopping binary search data structures divide and conquer greedy implementation *2600	0 / 0	(无)
	665	P1440B Sum of Medians greedy math *900	0 / 0	(无)
	664	P1442A Extreme Subtraction constructive algorithms dp greedy *1800	0 / 0	(无)
	663	P1442B Identify the Operations combinatorics data structures dsu greedy implementation *1800	0 / 0	(无)
	662	P1442C Graph Transpositions dfs and similar graphs greedy shortest paths *2400	0 / 0	(无)
	661	P1442D Sum data structures divide and conquer dp greedy *2800	0 / 0	(无)
	660	P1442E Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees *3000	0 / 0	(无)
	657	P1443B Saving the City dp greedy math sortings *1300	0 / 0	(无)
	656	P1443C The Delivery Dilemma binary search greedy sortings *1400	0 / 0	(无)
	649	P1445A Array Rearrangment greedy sortings *800	0 / 0	(无)
	648	P1445B Elimination greedy math *900	0 / 0	(无)
	647	P1446A Knapsack constructive algorithms greedy sortings *1300	0 / 0	(无)
	644	P1446D1 Frequency Problem (Easy Version) data structures greedy *2600	0 / 0	(无)
	643	P1446D2 Frequency Problem (Hard Version) data structures greedy two pointers *3000	0 / 0	(无)
	639	P1447B Numbers Box greedy math *1000	0 / 0	(无)
	637	P1450B Balls of Steel brute force geometry greedy *1000	0 / 0	(无)
	634	P1450D Rating Compression binary search data structures greedy implementation two pointers *1800	0 / 0	(无)
	632	P1450F The Struggling Contestant constructive algorithms greedy *2400	0 / 0	(无)
	628	P1451A Subtract or Divide greedy math *800	0 / 0	(无)
	627	P1451B Non-Substring Subsequence dp greedy implementation strings *900	0 / 0	(无)
	626	P1451C String Equality dp greedy hashing implementation strings *1400	0 / 0	(无)
	620	P1452B Toy Blocks binary search greedy math sortings *1400	0 / 0	(无)
	619	P1452C Two Brackets greedy *800	0 / 0	(无)
	617	P1452E Two Editorials brute force dp greedy sortings two pointers *2500	0 / 0	(无)
	616	P1452F Divide Powers constructive algorithms greedy *2900	0 / 0	(无)
	615	P1452G Game On Tree data structures dfs and similar greedy trees *2700	0 / 0	(无)
	612	P1453C Triangles greedy implementation *1700	0 / 0	(无)
	611	P1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	(无)
	610	P1453E Dog Snacks binary search dfs and similar dp greedy trees *2300	0 / 0	(无)
	606	P1454C Sequence Transformation greedy implementation *1200	0 / 0	(无)
	603	P1454F Array Partition binary search data structures greedy two pointers *2100	0 / 0	(无)
	599	P1455D Sequence and Swaps dp greedy sortings *1600	0 / 0	(无)
	598	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	(无)
	597	P1455F String and Operations dp greedy *2800	0 / 0	(无)
	595	P1456E XOR-ranges dp greedy *3500	0 / 0	(无)
	591	P1458D Flip and Reverse data structures graphs greedy *3100	0 / 0	(无)
	586	P1461A String Generation constructive algorithms greedy *800	0 / 0	(无)
	582	P1461E Water Level brute force graphs greedy implementation math *2200	0 / 0	(无)
	581	P1461F Mathematical Expression constructive algorithms dp greedy *2700	0 / 0	(无)
	578	P1462C Unique Number brute force greedy math *900	0 / 0	(无)
	577	P1462D Add to Neighbour and Remove greedy math number theory *1400	0 / 0	(无)
	574	P1462F The Treasure of The Segments binary search data structures greedy *1800	0 / 0	(无)
	572	P1463B Find The Array bitmasks constructive algorithms greedy *1400	0 / 0	(无)
	570	P1463D Pairs binary search constructive algorithms greedy two pointers *1900	0 / 0	(无)
	565	P1466B Last minute enhancements dp greedy *800	0 / 0	(无)
	564	P1466C Canine poetry dp greedy strings *1300	0 / 0	(无)
	563	P1466D 13th Labour of Heracles data structures greedy sortings trees *1500	0 / 0	(无)
	561	P1466F Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings *2100	0 / 0	(无)
	559	P1466H Finding satisfactory solutions combinatorics dp graphs greedy math *3300	0 / 0	(无)
	557	P1467A Wizard of Orz constructive algorithms greedy math *900	0 / 0	(无)
	555	P1467C Three Bags constructive algorithms greedy *1900	0 / 0	(无)
	552	P1468A LaIS data structures dp greedy *2200	0 / 0	(无)
	548	P1468E Four Segments greedy *800	0 / 0	(无)
	545	P1468H K and Medians constructive algorithms greedy math *2200	0 / 0	(无)
	543	P1468J Road Reform dsu graphs greedy *1800	0 / 0	(无)
	541	P1468L Prime Divisors Selection binary search greedy math number theory *2700	0 / 0	(无)
	539	P1468N Waste Sorting greedy implementation *900	0 / 0	(无)
	538	P1469A Regular Bracket Sequence constructive algorithms greedy *1000	0 / 0	(无)
	537	P1469B Red and Blue dp greedy *1000	0 / 0	(无)
	536	P1469C Building a Fence dp greedy implementation two pointers *1600	0 / 0	(无)
	533	P1469F Power Sockets binary search data structures greedy *2600	0 / 0	(无)
	532	P1470A Strange Birthday Party binary search dp greedy sortings two pointers *1300	0 / 0	(无)
	529	P1470D Strange Housing constructive algorithms dfs and similar graph matchings graphs greedy *2200	0 / 0	(无)
	526	P1471A Strange Partition greedy math number theory *900	0 / 0	(无)
	525	P1471B Strange List brute force greedy implementation math *1100	0 / 0	(无)
	524	P1472A Cards for Friends greedy math *800	0 / 0	(无)
	523	P1472B Fair Division dp greedy math *800	0 / 0	(无)
	521	P1472D Even-Odd Game dp games greedy sortings *1200	0 / 0	(无)
	519	P1472F New Year's Puzzle brute force dp graph matchings greedy sortings *2100	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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