Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	7696	P1680E Moving Chips bitmasks dp greedy *2000	0 / 0	(None)
	7695	P1680F Lenient Vertex Cover dfs and similar divide and conquer dsu graphs trees *2600	0 / 0	(None)
	7694	P1681A Game with Cards games greedy *800	0 / 0	(None)
	7693	P1681B Card Trick implementation math *800	0 / 0	(None)
	7692	P1681C Double Sort implementation sortings *1200	0 / 0	(None)
	7691	P1681D Required Length brute force dfs and similar dp hashing shortest paths *1700	0 / 0	(None)
	7690	P1681E Labyrinth Adventures data structures dp matrices shortest paths *2600	0 / 0	(None)
	7689	P1681F Unique Occurrences data structures dfs and similar divide and conquer dp dsu trees *2300	0 / 0	(None)
	7688	P1682A Palindromic Indices greedy strings *800	0 / 0	(None)
	7687	P1682B AND Sorting bitmasks constructive algorithms sortings *1100	0 / 0	(None)
	7686	P1682C LIS or Reverse LIS? constructive algorithms greedy implementation math *1400	0 / 0	(None)
	7685	P1682D Circular Spanning Tree constructive algorithms implementation trees *2000	0 / 0	(None)
	7684	P1682E Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees *2700	0 / 0	(None)
	7683	P1682F MCMF? data structures flows graphs greedy sortings two pointers *2700	0 / 0	(None)
	7682	P1684A Digit Minimization constructive algorithms games math strings *800	0 / 0	(None)
	7681	P1684B Z mod X = C constructive algorithms math *800	0 / 0	(None)
	7680	P1684C Column Swapping brute force constructive algorithms greedy implementation sortings *1400	0 / 0	(None)
	7679	P1684D Traps constructive algorithms greedy sortings *1700	0 / 0	(None)
	7678	P1684E MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers *2100	0 / 0	(None)
	7677	P1684F Diverse Segments data structures two pointers *2600	0 / 0	(None)

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