Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	7856	P1719B Mathematical Circus constructive algorithms math	0 / 0	(None)
	7855	P1719C Fighting Tournament binary search data structures implementation two pointers	0 / 0	(None)
	7870	P1720A Burenka Plays with Fractions math number theory *900	0 / 0	(None)
	7869	P1720B Interesting Sum brute force data structures greedy math sortings *800	0 / 0	(None)
	7868	P1720C Corners greedy implementation *1200	0 / 0	(None)
	7867	P1720D1 Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers *1800	0 / 0	(None)
	7866	P1720D2 Xor-Subsequence (hard version) bitmasks data structures dp strings trees *2400	0 / 0	(None)
	7865	P1720E Misha and Paintings constructive algorithms data structures greedy implementation math *2700	0 / 0	(None)
	7882	P1721A Image implementation	0 / 0	(None)
	7881	P1721B Deadly Laser brute force implementation	0 / 0	(None)
	7880	P1721C Min-Max Array Transformation binary search greedy two pointers	0 / 0	(None)
	7879	P1721D Maximum AND bitmasks divide and conquer greedy sortings	0 / 0	(None)
	7878	P1721E Prefix Function Queries dp hashing string suffix structures strings trees	0 / 0	(None)
	7877	P1721F Matching Reduction dfs and similar graph matchings graphs interactive	0 / 0	(None)
	7889	P1722A Spell Check implementation *800	0 / 0	(None)
	7888	P1722B Colourblindness implementation *800	0 / 0	(None)
	7887	P1722C Word Game data structures implementation *800	0 / 0	(None)
	7886	P1722D Line greedy sortings *1100	0 / 0	(None)
	7885	P1722E Counting Rectangles brute force data structures dp implementation *1600	0 / 0	(None)
	7884	P1722F L-shapes dfs and similar implementation *1700	0 / 0	(None)

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