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7a7d3f2 · Oct 20, 2020

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10.05.Sparse Array Search

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题目描述

稀疏数组搜索。有个排好序的字符串数组,其中散布着一些空字符串,编写一种方法,找出给定字符串的位置。

示例1:

 输入: words = ["at", "", "", "", "ball", "", "", "car", "", "","dad", "", ""], s = "ta"
 输出:-1
 说明: 不存在返回-1。

示例2:

 输入:words = ["at", "", "", "", "ball", "", "", "car", "", "","dad", "", ""], s = "ball"
 输出:4

提示:

  1. words的长度在[1, 1000000]之间

解法

Python3

Java

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