	ID	题目显示标签隐藏标签	AC / 尝试	难度
	275	P1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	(无)
	271	P1517G Starry Night Camping constructive algorithms flows graphs *3300	0 / 0	(无)
	265	P1519E Off by One constructive algorithms dfs and similar geometry graphs sortings trees *2700	0 / 0	(无)
	261	P1520C Not Adjacent Matrix constructive algorithms *1000	0 / 0	(无)
	257	P1520F2 Guess the K-th Zero (Hard version) binary search constructive algorithms data structures interactive *2200	0 / 0	(无)
	255	P1521A Nastia and Nearly Good Numbers constructive algorithms math number theory *1000	0 / 0	(无)
	254	P1521B Nastia and a Good Array constructive algorithms math number theory *1300	0 / 0	(无)
	253	P1521C Nastia and a Hidden Permutation constructive algorithms interactive *2000	0 / 0	(无)
	252	P1521D Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees *2500	0 / 0	(无)
	251	P1521E Nastia and a Beautiful Matrix binary search constructive algorithms dp greedy *2700	0 / 0	(无)
	249	P1523B Lord of the Values constructive algorithms *1100	0 / 0	(无)
	241	P1525B Permutation Sort constructive algorithms greedy *900	0 / 0	(无)
	236	P1526A Mean Inequality constructive algorithms sortings *800	0 / 0	(无)
	232	P1526D Kill Anton brute force constructive algorithms data structures math strings *2200	0 / 0	(无)
	231	P1526E Oolimry and Suffix Array combinatorics constructive algorithms math *2400	0 / 0	(无)
	230	P1526F Median Queries constructive algorithms interactive probabilities *3000	0 / 0	(无)
	228	P1527B1 Palindrome Game (easy version) constructive algorithms games *1200	0 / 0	(无)
	227	P1527B2 Palindrome Game (hard version) constructive algorithms games *1900	0 / 0	(无)
	220	P1528D It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms graphs shortest paths *2500	0 / 0	(无)
	217	P1529A Eshag Loves Big Arrays constructive algorithms greedy math *800	0 / 0	(无)
	214	P1530B Putting Plates constructive algorithms implementation *800	0 / 0	(无)
	212	P1530D Secret Santa constructive algorithms flows graphs greedy math *1600	0 / 0	(无)
	211	P1530E Minimax constructive algorithms greedy strings *2100	0 / 0	(无)
	209	P1530G What a Reversal constructive algorithms *3300	0 / 0	(无)
	204	P1531C Симметричный амфитеатр *special problem constructive algorithms dp	0 / 0	(无)
	187	P1533G Biome Map *special problem constructive algorithms dfs and similar graphs	0 / 0	(无)
	185	P1533I Excursions *special problem constructive algorithms dfs and similar flows graph matchings graphs	0 / 0	(无)
	180	P1534D Lost Tree constructive algorithms interactive trees *1800	0 / 0	(无)
	175	P1534H Lost Nodes constructive algorithms dp graphs interactive sortings trees *3500	0 / 0	(无)
	168	P1536A Omkar and Bad Story brute force constructive algorithms *800	0 / 0	(无)
	167	P1536B Prinzessin der Verurteilung brute force constructive algorithms strings *1200	0 / 0	(无)
	163	P1536F Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures *2600	0 / 0	(无)
	161	P1537B Bad Boy constructive algorithms greedy math *900	0 / 0	(无)
	160	P1537C Challenging Cliffs constructive algorithms greedy implementation math *1200	0 / 0	(无)
	156	P1537F Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math *2200	0 / 0	(无)
	152	P1538D Another Problem About Dividing Numbers constructive algorithms math number theory *1700	0 / 0	(无)
	144	P1539E Game with Cards binary search constructive algorithms data structures dp greedy implementation *2500	0 / 0	(无)
	142	P1540A Great Graphs constructive algorithms graphs greedy shortest paths sortings *1400	0 / 0	(无)
	136	P1541A Pretty Permutations constructive algorithms greedy implementation *800	0 / 0	(无)
	133	P1542B Plus and Multiply constructive algorithms math number theory *1500	0 / 0	(无)
	125	P1543D1 RPD and Rap Sheet (Easy Version) bitmasks constructive algorithms interactive math *1700	0 / 0	(无)
	124	P1543D2 RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math *2200	0 / 0	(无)
	123	P1543E The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math *2700	0 / 0	(无)
	120	P1545C AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs *2800	0 / 0	(无)
	119	P1545D AquaMoon and Wrong Coordinate constructive algorithms interactive math *3000	0 / 0	(无)
	110	P1547D Co-growing Sequence bitmasks constructive algorithms greedy *1300	0 / 0	(无)
	89	P1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(无)
	84	P1551B2 Wonderful Coloring - 2 binary search constructive algorithms data structures greedy *1400	0 / 0	(无)
	82	P1551D1 Domino (easy version) constructive algorithms math *1700	0 / 0	(无)
	81	P1551D2 Domino (hard version) constructive algorithms implementation math *2100	0 / 0	(无)
	76	P1552C Maximize the Intersections combinatorics constructive algorithms geometry greedy sortings *1800	0 / 0	(无)
	75	P1552D Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math *1800	0 / 0	(无)
	74	P1552E Colors and Intervals constructive algorithms data structures greedy sortings *2300	0 / 0	(无)
	65	P1553E Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	0 / 0	(无)
	63	P1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	(无)
	57	P1554D Diane constructive algorithms greedy strings *1800	0 / 0	(无)
	53	P1555C Coin Rows brute force constructive algorithms dp implementation *1300	0 / 0	(无)
	52	P1555D Say No to Palindromes brute force constructive algorithms dp strings *1600	0 / 0	(无)
	46	P1556D Take a Guess bitmasks constructive algorithms interactive math *1800	0 / 0	(无)
	37	P1557E Assiut Chess brute force constructive algorithms interactive *2800	0 / 0	(无)
	34	P1558C Bottom-Tier Reversals constructive algorithms greedy *2000	0 / 0	(无)
	30	P1559A Mocha and Math bitmasks constructive algorithms math *900	0 / 0	(无)
	28	P1559C Mocha and Hiking constructive algorithms graphs *1200	0 / 0	(无)
	26	P1559D1 Mocha and Diana (Easy Version) brute force constructive algorithms dsu graphs greedy trees *1400	0 / 0	(无)
	27	P1559D2 Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers *2500	0 / 0	(无)
	18	P1560F1 Nearest Beautiful Number (easy version) binary search bitmasks brute force constructive algorithms dfs and similar greedy *1900	0 / 0	(无)
	17	P1560F2 Nearest Beautiful Number (hard version) bitmasks brute force constructive algorithms dfs and similar dp greedy *2100	0 / 0	(无)
	12	P1562B Scenes From a Memory brute force constructive algorithms implementation math number theory *1000	0 / 0	(无)
	11	P1562C Rings constructive algorithms math *1500	0 / 0	(无)
	7225	P1566B MIN-MEX Cut bitmasks constructive algorithms dp	0 / 0	(无)
	7224	P1566C MAX-MEX Cut bitmasks constructive algorithms dp greedy	0 / 0	(无)
	7219	P1566G Four Vertices constructive algorithms graphs greedy implementation shortest paths	0 / 0	(无)
	7218	P1566H Xor-quiz constructive algorithms dp interactive math number theory	0 / 0	(无)
	3	P1567D Expression Evaluation Error constructive algorithms data structures greedy implementation math	0 / 0	(无)
	1	P1567F One-Four Overload constructive algorithms dfs and similar dsu graphs implementation	0 / 0	(无)
	106	P1569B Chess Tournament constructive algorithms	0 / 0	(无)
	7305	P1571D Sweepstake *special problem brute force constructive algorithms implementation math	0 / 0	(无)
	7303	P1571F Kotlinforces *special problem constructive algorithms dp	0 / 0	(无)
	7233	P1572B Xor of 3 constructive algorithms *2500	0 / 0	(无)
	7240	P1574A Regular Bracket Sequences constructive algorithms	0 / 0	(无)
	7236	P1574E Coloring combinatorics constructive algorithms implementation	0 / 0	(无)
	7269	P1578A Anti-Tetris constructive algorithms graphs shortest paths *2800	0 / 0	(无)
	7257	P1578M The Mind constructive algorithms interactive probabilities *2700	0 / 0	(无)
	7244	P1579E1 Permutation Minimization by Deque constructive algorithms greedy math *1000	0 / 0	(无)
	7252	P1580E Railway Construction brute force constructive algorithms data structures graphs shortest paths *3400	0 / 0	(无)
	7249	P1581B Diameter of Graph constructive algorithms graphs greedy math *1200	0 / 0	(无)
	7366	P1582D Vupsen, Pupsen and 0 constructive algorithms math *1600	0 / 0	(无)
	7352	P1583B Omkar and Heavenly Tree constructive algorithms trees	0 / 0	(无)
	7350	P1583D Omkar and the Meaning of Life constructive algorithms interactive	0 / 0	(无)
	7349	P1583E Moment of Bloom constructive algorithms dfs and similar graph matchings graphs greedy	0 / 0	(无)
	7348	P1583F Defender of Childhood Dreams bitmasks constructive algorithms divide and conquer	0 / 0	(无)
	7345	P1586I Omkar and Mosaic combinatorics constructive algorithms math	0 / 0	(无)
	7287	P1592C Bakry and Partitioning bitmasks constructive algorithms dfs and similar dp graphs trees	0 / 0	(无)
	7284	P1592F1 Alice and Recoloring 1 constructive algorithms greedy	0 / 0	(无)
	7283	P1592F2 Alice and Recoloring 2 constructive algorithms flows graph matchings greedy	0 / 0	(无)
	7325	P1594D The Number of Imposters constructive algorithms dfs and similar dp dsu graphs *1700	1 / 2	10
	7322	P1594F Ideal Farm constructive algorithms math *2400	0 / 0	(无)
	7321	P1599A Weights constructive algorithms two pointers	0 / 0	(无)
	7354	P1602B Divine Array constructive algorithms implementation *1100	0 / 0	(无)
	7465	P1677C Tokitsukaze and Two Colorful Tapes constructive algorithms dfs and similar graphs greedy *1900	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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