	ID	题目显示标签隐藏标签	AC / 尝试	难度
	105	P1827B1 Range Sorting (Easy Version) binary search dp dsu greedy trees two pointers *2000	0 / 0	提高
	88	P1830B The BOSS Can Count Pairs brute force math *2000	0 / 0	提高
	25	P1841D Pairs of Segments data structures greedy sortings two pointers *2000	0 / 0	提高
	8978	P1889C1 Doremy's Drying Plan (Easy Version) brute force data structures dp greedy sortings *2000	0 / 0	提高
	8966	P1891F A Growing Tree data structures dfs and similar trees *2000	0 / 0	提高
	8963	P1893C Freedom of Choice brute force greedy implementation *2000	0 / 0	提高
	9081	P1910F Build Railway Stations special problem greedy trees 2000	0 / 0	提高
	9075	P1912B Blueprint for Seating combinatorics divide and conquer math *2000	0 / 0	提高
	9197	P1941G Rudolf and Subway constructive algorithms dfs and similar graphs shortest paths *2000	0 / 0	提高
	9186	P1943B Non-Palindromic Substring hashing implementation math strings *2000	0 / 0	提高
	9293	P1970E2 Trails (Medium) dp matrices *2000	0 / 0	提高
	9263	P1974G Money Buys Less Happiness Now data structures greedy sortings *2000	0 / 0	提高
	9250	P1976D Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers *2000	0 / 0	提高
	9212	P1984D "a" String Problem brute force hashing implementation math string suffix structures strings *2000	0 / 0	提高
	9367	P1987E Wonderful Tree! brute force data structures dfs and similar dsu greedy trees *2000	0 / 0	提高
	9358	P1988D The Omnipotent Monster Killer brute force dfs and similar dp trees *2000	0 / 0	提高
	9327	P1992G Ultra-Meow combinatorics dp math *2000	0 / 0	提高
	9322	P1994E Wooden Game bitmasks greedy math trees *2000	0 / 0	提高

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2021-2023 莱芜一中信息学奥赛在线评测系统 LaiWu No.1 Middle School Online Judge System
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