Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	258	P1603E A Perfect Problem combinatorics dp math *3200	0 / 0	(None)
	257	P1603F October 18, 2017 combinatorics dp implementation math *2700	0 / 0	(None)
	256	P1604A Era greedy *800	0 / 0	(None)
	255	P1604B XOR Specia-LIS-t *1100	0 / 0	(None)
	254	P1605A A.M math number theory *800	0 / 0	(None)
	253	P1605B Reverse Sort greedy sortings *1000	0 / 0	(None)
	252	P1605C Dominant Character brute force greedy implementation strings *1400	0 / 0	(None)
	251	P1605D Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees *2100	0 / 0	(None)
	250	P1605E Array Equalizer binary search greedy implementation math number theory sortings two pointers *2400	0 / 0	(None)
	249	P1605F PalindORme combinatorics dp *2900	0 / 0	(None)
	248	P1606A AB Balance strings *900	0 / 0	(None)
	247	P1606B Update Files greedy implementation math *1100	0 / 0	(None)
	246	P1606C Banknotes greedy number theory *1400	0 / 0	(None)
	245	P1606D Red-Blue Matrix brute force constructive algorithms implementation sortings *2400	0 / 0	(None)
	244	P1606E Arena combinatorics dp math *2100	0 / 0	(None)
	243	P1606F Tree Queries brute force dp trees *2800	0 / 0	(None)
	242	P1607A Linear Keyboard implementation strings *800	0 / 0	(None)
	241	P1607B Odd Grasshopper math *900	0 / 0	(None)
	240	P1607C Minimum Extraction brute force sortings *1000	0 / 0	(None)
	239	P1607D Blue-Red Permutation greedy math sortings *1300	0 / 0	(None)

Pick a problem randomly based on the current filter.