题库 - https://new.bzoj.org:88

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	4914	P5914 [Usaco2023 Open]Pareidolia G	1 / 1	10
	4915	P5915 [Usaco2023 Open]Tree Merging G[废题]	0 / 3	10
	4916	P5916 [Usaco2023 Open] Milk Sum S	1 / 1	10
	4917	P5917 [Usaco2023 Open]Field Day S	1 / 1	10
	4918	P5918 [Usaco2023 Open] Pareidolia S	1 / 2	10
	4919	P5919 [Usaco2023 Feb]Hungry Cow P	1 / 1	10
	4920	P5920 [Usaco2023 Feb] Problem Setting P	1 / 2	10
	4921	P5921 [Usaco2023 Feb]Watching Cowflix P	1 / 1	10
	4922	P5922 [Usaco2023 Feb]Equal Sum Subarrays G	1 / 1	10
	4923	P5923 [Usaco2023 Feb]Fertilizing Pastures G	1 / 1	10
	4924	P5924 [Usaco2023 Feb]Piling Papers G	1 / 1	10
	4925	P5925 [Usaco2023 Feb]Bakery S	1 / 1	10
	4926	P5926 [Usaco2023 Feb]Cow-libi S	1 / 1	10
	4927	P5927 [Usaco2023 Feb]Moo Route II S	1 / 1	10
	4928	P5928 [Usaco2023 Jan]Tractor Paths P	1 / 1	10
	4929	P5929 [Usaco2023 Jan]Mana Collection P	1 / 1	10
	4930	P5930 [Usaco2023 Jan]Subtree Activation P	1 / 1	10
	4931	P5931 [Usaco2023 Jan] Find and Replace G	1 / 1	10
	4932	P5932 [Usaco2023 Jan] Lights Off G	1 / 2	10
	4933	P5933 [Usaco2023 Jan] Moo Route G	1 / 1	10
	4934	P5934 [Usaco2023 Jan]Find and Replace S	1 / 1	10
	4935	P5935 [Usaco2023 Jan]Following Directions S	1 / 1	10
	4936	P5936 [Usaco2023 Jan]Moo Route S	0 / 6	10
	4937	P5937 [Usaco2022 Dec]Breakdown P	1 / 1	10
	4938	P5938 [Usaco2022 Dec]Making Friends P 树论启发式合并	1 / 1	10
	4939	P5939 [Usaco2022 Dec] Palindromes P 数据结构树状数组	1 / 1	10
	4940	P5940 [Usaco2022 Dec]Bribing Friends G	2 / 8	10
	4941	P5941 [Usaco2022 Dec]Mountains G	1 / 1	10
	4942	P5942 [Usaco2022 Dec]Strongest Friendship Group G	1 / 1	10
	4943	P5943 [Usaco2022 Dec]Barn Tree S	0 / 9	10

根据当前过滤条件随机选择一道题