carloscn / carloscn/structstudy

leetcode383:赎金信(ransom-note)

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Level-easy 一般问题 字符串 查找
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C
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Description

### 问题描述

给你两个字符串:ransomNote 和 magazine ,判断 ransomNote 能不能由 magazine 里面的字符构成。
如果可以,返回 true ;否则返回 false 。
magazine 中的每个字符只能在 ransomNote 中使用一次。

示例 1:
输入:ransomNote = "a", magazine = "b"
输出:false

示例 2:
输入:ransomNote = "aa", magazine = "ab"
输出:false

示例 3:
输入:ransomNote = "aa", magazine = "aab"
输出:true
 
提示:
1 <= ransomNote.length, magazine.length <= 105
ransomNote 和 magazine 由小写英文字母组成

来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/ransom-note

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