*800 - 题库 - Boyacoding

	ID	题目显示标签隐藏标签	AC / 尝试	难度

253	P1557A Ezzat and Two Subsequences brute force math sortings *800	9 / 22	7
258	P1682A Palindromic Indices greedy strings *800	9 / 20	7
13	P1747A Two Groups constructive algorithms greedy *800	5 / 34	8
2	P1748A The Ultimate Square math *800	3 / 8	10
264	P1900A Cover in Water constructive algorithms greedy implementation strings *800	11 / 13	7

根据当前过滤条件随机选择一道题

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