math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	532	P1547A Shortest Path with Obstacle implementation math *800	0 / 0	(None)
	524	P1548B Integers Have Friends binary search data structures divide and conquer math number theory two pointers *1800	0 / 0	(None)
	523	P1548C The Three Little Pigs combinatorics dp fft math *2500	0 / 0	(None)
	522	P1548D1 Gregor and the Odd Cows (Easy) bitmasks geometry math number theory *2300	0 / 0	(None)
	521	P1548D2 Gregor and the Odd Cows (Hard) brute force geometry math number theory *3300	0 / 0	(None)
	520	P1548E Gregor and the Two Painters data structures divide and conquer graphs greedy math *3400	0 / 0	(None)
	519	P1549A Gregor and Cryptography math number theory *800	0 / 0	(None)
	517	P1550A Find The Array greedy math *800	0 / 0	(None)
	516	P1550B Maximum Cost Deletion greedy math *1000	0 / 0	(None)
	514	P1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(None)
	511	P1551A Polycarp and Coins greedy math *800	0 / 0	(None)
	507	P1551D1 Domino (easy version) constructive algorithms math *1700	0 / 0	(None)
	506	P1551D2 Domino (hard version) constructive algorithms implementation math *2100	0 / 0	(None)
	500	P1552D Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math *1800	0 / 0	(None)
	495	P1552I Organizing a Music Festival dfs and similar math *3400	0 / 0	(None)
	494	P1553A Digits Sum math number theory *800	0 / 0	(None)
	490	P1553E Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	0 / 0	(None)
	489	P1553F Pairwise Modulo data structures math *2300	0 / 0	(None)
	488	P1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	(None)
	486	P1553I Stairs combinatorics divide and conquer dp fft math *3400	0 / 0	(None)

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