	ID	题目显示标签隐藏标签	AC / 尝试	难度
	336	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	(无)
	335	P1508B Almost Sorted binary search combinatorics constructive algorithms implementation *1800	0 / 0	(无)
	317	P1510K King's Task brute force graphs implementation *1200	0 / 0	(无)
	314	P1511C Yet Another Card Deck brute force data structures implementation trees *1100	0 / 0	(无)
	309	P1512A Spy Detected! brute force implementation *800	0 / 0	(无)
	308	P1512B Almost Rectangle implementation *800	0 / 0	(无)
	307	P1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	(无)
	304	P1512F Education brute force dp greedy implementation *1900	0 / 0	(无)
	302	P1513A Array and Peaks constructive algorithms implementation *800	0 / 0	(无)
	293	P1514D Cut and Stick binary search data structures greedy implementation sortings *2000	0 / 0	(无)
	275	P1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	(无)
	273	P1517E Group Photo binary search data structures implementation two pointers *2500	0 / 0	(无)
	266	P1519D Maximum Sum of Products brute force dp implementation math two pointers *1600	0 / 0	(无)
	263	P1520A Do Not Be Distracted! brute force implementation *800	0 / 0	(无)
	256	P1520G To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths *2200	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)
	250	P1523A Game of Life implementation *800	0 / 0	(无)
	248	P1523C Compression and Expansion brute force data structures greedy implementation trees *1600	0 / 0	(无)
	240	P1525C Robot Collisions data structures greedy implementation sortings *2000	0 / 0	(无)
	226	P1527C Sequence Pair Weight hashing implementation math *1600	0 / 0	(无)
	225	P1527D MEX Tree combinatorics dfs and similar implementation math trees *2400	0 / 0	(无)
	214	P1530B Putting Plates constructive algorithms implementation *800	0 / 0	(无)
	207	P1531A Зингер \| color *special problem implementation	0 / 0	(无)
	197	P1532C Uniform String *special problem implementation	0 / 0	(无)
	193	P1533A Travel to Bertown *special problem implementation math	0 / 0	(无)
	192	P1533B Nearest Point Function *special problem implementation	0 / 0	(无)
	191	P1533C Sweets *special problem data structures implementation	0 / 0	(无)
	183	P1534A Colour the Flag brute force implementation *800	0 / 0	(无)
	182	P1534B Histogram Ugliness greedy implementation math *1100	0 / 0	(无)
	174	P1535A Fair Playoff brute force implementation *800	0 / 0	(无)
	172	P1535C Unstable String binary search dp greedy implementation strings two pointers *1400	0 / 0	(无)
	171	P1535D Playoff Tournament data structures dfs and similar dp implementation trees *1800	0 / 0	(无)
	169	P1535F String Distance binary search brute force data structures hashing implementation strings *3000	0 / 0	(无)
	165	P1536D Omkar and Medians data structures greedy implementation *2000	0 / 0	(无)
	160	P1537C Challenging Cliffs constructive algorithms greedy implementation math *1200	0 / 0	(无)
	158	P1537E1 Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers *1600	0 / 0	(无)
	151	P1538E Funny Substrings data structures hashing implementation matrices strings *2100	0 / 0	(无)
	147	P1539B Love Song dp implementation strings *800	0 / 0	(无)
	145	P1539D PriceFixed binary search greedy implementation sortings two pointers *1600	0 / 0	(无)
	144	P1539E Game with Cards binary search constructive algorithms data structures dp greedy implementation *2500	0 / 0	(无)
	136	P1541A Pretty Permutations constructive algorithms greedy implementation *800	0 / 0	(无)
	135	P1541B Pleasant Pairs brute force implementation math number theory *1200	0 / 0	(无)
	131	P1542D Priority Queue combinatorics dp implementation math ternary search *2200	0 / 0	(无)
	126	P1543C Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities *1900	0 / 0	(无)
	113	P1547A Shortest Path with Obstacle implementation math *800	0 / 0	(无)
	112	P1547B Alphabetical Strings greedy implementation strings *800	0 / 0	(无)
	109	P1547E Air Conditioners data structures dp implementation shortest paths sortings two pointers *1500	0 / 0	(无)
	1875	P1549B Gregor and the Pawn Game dfs and similar dp flows graph matchings graphs greedy implementation *800	0 / 0	(无)
	90	P1550C Manhattan Subarrays brute force geometry greedy implementation *1700	0 / 0	(无)
	89	P1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(无)
	81	P1551D2 Domino (hard version) constructive algorithms implementation math *2100	0 / 0	(无)
	68	P1553B Reverse String brute force dp hashing implementation strings *1300	0 / 0	(无)
	58	P1554C Mikasa binary search bitmasks greedy implementation *1800	0 / 0	(无)
	53	P1555C Coin Rows brute force constructive algorithms dp implementation *1300	0 / 0	(无)
	48	P1556B Take Your Places! implementation *1300	0 / 0	(无)
	47	P1556C Compressed Bracket Sequence brute force implementation *1800	0 / 0	(无)
	23	P1560A Dislike of Threes implementation *800	0 / 0	(无)
	21	P1560C Infinity Table implementation math *800	0 / 0	(无)
	19	P1560E Polycarp and String Transformation binary search implementation sortings strings *1800	0 / 0	(无)
	16	P1561A Simply Strange Sort brute force implementation sortings *800	0 / 0	(无)
	12	P1562B Scenes From a Memory brute force constructive algorithms implementation math number theory *1000	0 / 0	(无)
	7222	P1566D2 Seating Arrangements (hard version) data structures greedy implementation sortings	0 / 0	(无)
	7219	P1566G Four Vertices constructive algorithms graphs greedy implementation shortest paths	0 / 0	(无)
	6	P1567A Domino Disaster implementation strings	0 / 0	(无)
	3	P1567D Expression Evaluation Error constructive algorithms data structures greedy implementation math	0 / 0	(无)
	2	P1567E Non-Decreasing Dilemma data structures divide and conquer implementation	0 / 0	(无)
	1	P1567F One-Four Overload constructive algorithms dfs and similar dsu graphs implementation	0 / 0	(无)
	107	P1569A Balanced Substring implementation	0 / 0	(无)
	104	P1569D Inconvenient Pairs binary search data structures implementation sortings two pointers	0 / 0	(无)
	1873	P1569E Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle	0 / 0	(无)
	7296	P1570C Shooting *special problem greedy implementation	0 / 0	(无)
	7295	P1570D Reachable Numbers *special problem implementation	0 / 0	(无)
	7306	P1571C Rhyme *special problem implementation	0 / 0	(无)
	7305	P1571D Sweepstake *special problem brute force constructive algorithms implementation math	0 / 0	(无)
	7234	P1572A Book dp graphs implementation *1800	0 / 0	(无)
	7237	P1574D The Strongest Build binary search data structures dfs and similar graphs greedy hashing implementation shortest paths	0 / 0	(无)
	7236	P1574E Coloring combinatorics constructive algorithms implementation	0 / 0	(无)
	7273	P1575J Jeopardy of Dropped Balls brute force dsu implementation	0 / 0	(无)
	7272	P1575K Knitting Batik implementation math	0 / 0	(无)
	7265	P1578E Easy Scheduling implementation math *1200	0 / 0	(无)
	7262	P1578H Higher Order Functions implementation strings *1700	0 / 0	(无)
	7259	P1578K Kingdom of Islands brute force graphs implementation *2800	0 / 0	(无)
	7247	P1579B Shifting Sort implementation sortings *1100	0 / 0	(无)
	7246	P1579C Ticks greedy implementation *1500	0 / 0	(无)
	7256	P1580A Portal brute force data structures dp greedy implementation *1700	0 / 0	(无)
	7254	P1580C Train Maintenance brute force data structures implementation *2200	0 / 0	(无)
	7338	P1593E Gardener and Tree dfs and similar greedy implementation trees	0 / 0	(无)
	7337	P1593F Red-Black Number dp implementation	0 / 0	(无)
	7323	P1594E2 Rubik's Cube Coloring (hard version) brute force dp implementation math trees *2300	0 / 0	(无)
	7335	P1598A Computer Game implementation	0 / 0	(无)
	7334	P1598B Groups brute force implementation	0 / 0	(无)
	7355	P1602A Two Subsequences implementation *800	0 / 0	(无)
	7354	P1602B Divine Array constructive algorithms implementation *1100	0 / 0	(无)
	7466	P1677B Tokitsukaze and Meeting data structures implementation math *1700	0 / 0	(无)
	7461	P1678A Tokitsukaze and All Zero Sequence implementation *800	0 / 0	(无)
	7460	P1678B1 Tokitsukaze and Good 01-String (easy version) implementation *800	0 / 0	(无)
	7459	P1678B2 Tokitsukaze and Good 01-String (hard version) dp greedy implementation *1800	0 / 0	(无)
	7457	P1679B Stone Age Problem data structures implementation *1200	0 / 0	(无)
	7456	P1679C Rooks Defenders data structures implementation *1400	0 / 0	(无)
	7451	P1680B Robots implementation *800	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

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肖飞、关玉蓉、魏银珍、周芬

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