Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	18	P1644C Increase Subarray Sums brute force dp greedy implementation *1400	0 / 0	(None)
	17	P1644D Cross Coloring data structures implementation math *1700	0 / 0	(None)
	16	P1644E Expand the Path brute force combinatorics data structures implementation math *1900	0 / 0	(None)
	15	P1644F Basis combinatorics fft math number theory *2900	0 / 0	(None)
	14	P1646A Square Counting math *800	0 / 0	(None)
	13	P1646B Quality vs Quantity brute force constructive algorithms greedy sortings two pointers *800	0 / 0	(None)
	12	P1646C Factorials and Powers of Two bitmasks brute force constructive algorithms dp math *1500	0 / 0	(None)
	11	P1646D Weight the Tree constructive algorithms dfs and similar dp implementation trees *2000	0 / 0	(None)
	10	P1646E Power Board brute force dp math number theory *2200	0 / 0	(None)
	9	P1646F Playing Around the Table constructive algorithms greedy implementation *2900	0 / 0	(None)
	7611	P1647A Madoka and Math Dad implementation math	0 / 0	(None)
	7610	P1647B Madoka and the Elegant Gift brute force constructive algorithms graphs implementation	0 / 0	(None)
	7609	P1647C Madoka and Childish Pranks constructive algorithms greedy	0 / 0	(None)
	7608	P1647D Madoka and the Best School in Russia constructive algorithms dp math number theory	0 / 0	(None)
	7607	P1647E Madoka and the Sixth-graders binary search data structures dfs and similar dp greedy trees	0 / 0	(None)
	7606	P1647F Madoka and Laziness dp greedy	0 / 0	(None)
	8	P1648A Weird Sum combinatorics data structures geometry math matrices sortings	0 / 0	(None)
	7	P1648B Integral Array brute force constructive algorithms data structures math	0 / 0	(None)
	6	P1648C Tyler and Strings combinatorics data structures implementation strings	0 / 0	(None)
	5	P1648D Serious Business data structures dp shortest paths	0 / 0	(None)

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