	ID	题目显示标签隐藏标签	AC / 尝试	难度
	7445	P1681B Card Trick implementation math *800	0 / 0	(无)
	7444	P1681C Double Sort implementation sortings *1200	0 / 0	(无)
	7438	P1682C LIS or Reverse LIS? constructive algorithms greedy implementation math *1400	0 / 0	(无)
	7437	P1682D Circular Spanning Tree constructive algorithms implementation trees *2000	0 / 0	(无)
	7432	P1684C Column Swapping brute force constructive algorithms greedy implementation sortings *1400	0 / 0	(无)
	7425	P1685B Linguistics greedy implementation sortings strings *2000	0 / 0	(无)
	7415	P1687D Cute number binary search brute force data structures dsu implementation math *2900	0 / 0	(无)
	7409	P1689A Lex String brute force greedy implementation sortings two pointers *800	0 / 0	(无)
	7403	P1690B Array Decrements greedy implementation *800	0 / 0	(无)
	7402	P1690C Restoring the Duration of Tasks data structures greedy implementation *800	0 / 0	(无)
	7401	P1690D Black and White Stripe implementation two pointers *1000	0 / 0	(无)
	7396	P1691B Shoe Shuffling constructive algorithms greedy implementation two pointers *1000	0 / 0	(无)
	7394	P1691D Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	0 / 0	(无)
	7391	P1692A Marathon implementation *800	0 / 0	(无)
	7389	P1692C Where's the Bishop? implementation *800	0 / 0	(无)
	7388	P1692D The Clock brute force implementation *1100	0 / 0	(无)
	7387	P1692E Binary Deque binary search implementation two pointers *1200	0 / 0	(无)
	7377	P1694A Creep greedy implementation *800	0 / 0	(无)
	7375	P1697A Parkway Walk greedy implementation *800	0 / 0	(无)
	7373	P1697C awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers *1400	0 / 0	(无)
	7371	P1697E Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math *2400	0 / 0	(无)
	7370	P1697F Too Many Constraints 2-sat constructive algorithms graphs implementation *2800	0 / 0	(无)
	7573	P1874A Jellyfish and Game brute force games greedy implementation *1200	0 / 0	4
	7548	P1878G wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees *2300	0 / 0	8
	7543	P1879E Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees *2400	0 / 0	9
	7539	P1881C Perfect Square brute force implementation *1200	0 / 0	4
	7516	P1884E Hard Design greedy implementation math *2800	0 / 0	10
	7513	P1886C Decreasing String implementation strings *1600	0 / 0	5
	7504	P1889A Qingshan Loves Strings 2 constructive algorithms greedy implementation *1300	0 / 0	4
	7500	P1889D Game of Stacks brute force dfs and similar graphs implementation trees *3000	0 / 0	10
	7496	P1890B Qingshan Loves Strings constructive algorithms implementation *800	0 / 0	3
	7491	P1891E Brukhovich and Exams brute force greedy implementation math sortings *2500	0 / 0	9
	7489	P1893A Anonymous Informant brute force dfs and similar graphs implementation *1400	0 / 0	4
	7487	P1893C Freedom of Choice brute force greedy implementation *2000	0 / 0	7
	7484	P1894A Secret Sport implementation strings *800	0 / 0	3
	7480	P1895C Torn Lucky Ticket brute force dp hashing implementation math *1400	0 / 0	4
	7957	P1984B Large Addition implementation math *1100	0 / 0	3
	7954	P1984D "a" String Problem brute force hashing implementation math string suffix structures strings *2000	0 / 0	7
	7951	P1984G Magic Trick II constructive algorithms implementation sortings *3200	0 / 0	10
	7949	P1985A Creating Words implementation strings *800	0 / 0	3
	7946	P1985D Manhattan Circle implementation math *900	0 / 0	3
	7942	P1985H1 Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation *1700	0 / 0	5
	7941	P1985H2 Maximize the Largest Component (Hard Version) data structures dfs and similar dp dsu implementation *2200	0 / 0	8
	7937	P1986D Mathematical Problem brute force dp greedy implementation math two pointers *1400	0 / 0	4
	7922	P1988A Split the Multiset brute force greedy implementation math *900	0 / 0	3
	7921	P1988B Make Majority greedy implementation *900	0 / 0	3
	7918	P1988E Range Minimum Sum binary search brute force data structures divide and conquer implementation *2300	0 / 0	8
	7916	P1989A Catch the Coin implementation *800	0 / 0	3
	7907	P1990D Grid Puzzle bitmasks brute force dp greedy implementation *1800	0 / 0	6
	7903	P1991A Maximize the Last Element greedy implementation	0 / 0	(无)
	7898	P1991F Triangle Formation brute force greedy implementation math sortings	0 / 0	(无)
	7897	P1991G Grid Reset constructive algorithms greedy implementation	0 / 0	(无)
	7891	P1992D Test of Love dp greedy implementation *1200	0 / 0	4
	7890	P1992E Novice's Mistake brute force constructive algorithms implementation math strings *1700	0 / 0	5
	8100	P1993A Question Marks greedy implementation	0 / 0	(无)
	8098	P1993C Light Switches implementation math	0 / 0	(无)
	7887	P1994A Diverse Game constructive algorithms greedy implementation *800	0 / 0	3
	7879	P1995A Diagonals brute force greedy implementation math *800	0 / 0	3
	7876	P1995C Squaring brute force constructive algorithms greedy implementation math number theory *1800	0 / 0	6
	7871	P1996B Scale greedy implementation	0 / 0	(无)
	7868	P1996E Decode combinatorics data structures implementation math	0 / 0	(无)
	7865	P1997A Strong Password brute force implementation strings	0 / 0	(无)
	7861	P1997E Level Up binary search brute force data structures divide and conquer implementation	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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