Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5610	P1426B Symmetric Matrix implementation *900	0 / 0	(None)
	5611	P1426D Non-zero Segments constructive algorithms data structures greedy sortings *1500	0 / 0	(None)
	5612	P1426F Number of Subsequences combinatorics dp strings *2000	0 / 0	(None)
	1544	P1427 神秘钥匙数论快速幂	14 / 24	5
	5613	P1427A Avoiding Zero math sortings *900	0 / 0	(None)
	5614	P1427C The Hard Work of Paparazzi dp *2000	0 / 0	(None)
	5615	P1427E Xum bitmasks constructive algorithms math matrices number theory *2500	0 / 0	(None)
	5616	P1427F Boring Card Game data structures greedy trees *3200	0 / 0	(None)
	5617	P1427H Prison Break binary search games geometry ternary search *3500	0 / 0	(None)
	5618	P1428B Belted Rooms graphs implementation *1200	0 / 0	(None)
	5619	P1428D Bouncing Boomerangs constructive algorithms greedy implementation *1900	0 / 0	(None)
	5620	P1428F Fruit Sequences binary search data structures divide and conquer dp two pointers *2400	0 / 0	(None)
	5621	P1428G1 Lucky Numbers (Easy Version) dp greedy *2900	0 / 0	(None)
	5622	P1428H Rotary Laser Lock binary search interactive *3500	0 / 0	(None)
	289	P1429 表达式括号匹配数据结构栈	92 / 249	5
	292	P1430 括号匹配问题数据结构栈递归	58 / 200	6
	5623	P1430A Number of Apartments brute force constructive algorithms math *900	0 / 0	(None)
	5624	P1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	(None)
	5625	P1430D String Deletion binary search data structures greedy two pointers *1700	0 / 0	(None)
	5626	P1430F Realistic Gameplay dp greedy *2600	0 / 0	(None)

Pick a problem randomly based on the current filter.