Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4748	P1157C2 Increasing Subsequence (hard version) greedy *1700	0 / 0	(None)
	4749	P1157D N Problems During K Days constructive algorithms greedy math *1900	0 / 0	(None)
	4750	P1157F Maximum Balanced Circle constructive algorithms dp greedy two pointers *2000	0 / 0	(None)
	4751	P1157G Inverse of Rows and Columns brute force constructive algorithms *2200	0 / 0	(None)
	168	P1158 「一本通 1.2 练习 1」数列分段 II 二分	15 / 108	8
	4752	P1158A The Party and Sweets binary search constructive algorithms greedy implementation math sortings two pointers *1500	0 / 0	(None)
	4753	P1158C Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings *2100	0 / 0	(None)
	4754	P1158D Winding polygonal line constructive algorithms geometry greedy math *2600	0 / 0	(None)
	4755	P1158F Density of subarrays dp math *3500	0 / 0	(None)
	169	P1159 「一本通 1.2 练习 2」扩散其他二分查找二分	15 / 38	5
	4756	P1159B Expansion coefficient of the array implementation math *1300	0 / 0	(None)
	170	P1160 二维树状数组 1：单点修改，区间查询模板 CDQ 分治树状数组	1 / 1	10
	171	P1161 二维树状数组 2：区间修改，单点查询模板 CDQ 分治树状数组差分	1 / 1	10
	172	P1162 二维树状数组 3：区间修改，区间查询模板树状数组差分	1 / 7	10
	4757	P1162A Zoning Restrictions Again implementation *800	0 / 0	(None)
	4758	P1162B Double Matrix brute force greedy *1400	0 / 0	(None)
	187	P1163 F.特殊年份蓝桥杯真题 2021蓝桥杯省赛	120 / 179	1
	4759	P1163B1 Cat Party (Easy Edition) data structures implementation *1500	0 / 0	(None)
	4760	P1163B2 Cat Party (Hard Edition) data structures implementation *1600	0 / 0	(None)
	4761	P1163C1 Power Transmission (Easy Edition) brute force geometry *1900	0 / 0	(None)

Pick a problem randomly based on the current filter.