Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5577	P1418B Negative Prefixes greedy sortings *1300	0 / 0	(None)
	5578	P1418C Mortal Kombat Tower dp graphs greedy shortest paths *1500	0 / 0	(None)
	5579	P1418E Expected Damage binary search combinatorics probabilities *2400	0 / 0	(None)
	5580	P1418F Equal Product data structures math number theory two pointers *3000	0 / 0	(None)
	334	P1419 素数求和数论素数判定	41 / 63	2
	5581	P1419A Digit Game games greedy implementation *900	0 / 0	(None)
	5582	P1419C Killjoy greedy implementation math *1500	0 / 0	(None)
	5583	P1419D1 Sage's Birthday (easy version) binary search constructive algorithms greedy sortings *1000	0 / 0	(None)
	5584	P1419E Decryption constructive algorithms implementation math number theory *2100	0 / 0	(None)
	1542	P1420 素数区间数论素数判定其他二分查找	27 / 119	7
	5585	P1420A Cubes Sorting math sortings *900	0 / 0	(None)
	5586	P1420B Rock and Lever bitmasks math *1200	0 / 0	(None)
	5587	P1420C2 Pokémon Army (hard version) data structures divide and conquer dp greedy implementation *2100	0 / 0	(None)
	5588	P1420E Battle Lemmings dp greedy *2500	0 / 0	(None)
	1543	P1421 矩阵加法数论矩阵运算	26 / 30	1
	5589	P1421B Putting Bricks in the Wall constructive algorithms implementation *1100	0 / 0	(None)
	5590	P1421C Palindromifier constructive algorithms strings *1400	0 / 0	(None)
	5591	P1421E Swedish Heroes brute force dp implementation *2700	0 / 0	(None)
	1540	P1422 快速幂（一）数论快速幂	70 / 242	6
	5592	P1422A Fence geometry math *800	0 / 0	(None)

Pick a problem randomly based on the current filter.