From d81cc96c1824fab9aeb98c1bc911774c1d493117 Mon Sep 17 00:00:00 2001
From: ShusenTang <tangshusen@pku.edu.cn>
Date: Thu, 14 Nov 2019 20:13:14 +0800
Subject: [PATCH] add title

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 solutions/264. Ugly Number II.md | 1 +
 1 file changed, 1 insertion(+)

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+# [264. Ugly Number II](https://leetcode.com/problems/ugly-number-ii/)
 # 思路
 要求第n个ugly数. 由于ugly集合相对于整个int集合是很小的, 所以此题用蛮力法不断判断某个数是否ugly肯定会超时. 所以我们应该从直接构造ugly数着手.