carloscn / carloscn/structstudy

leetcode242:有效的字母异位词(valid-anagram)

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Level-easy 一般问题 字符串
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C
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Description

给定两个字符串 s 和 t ,编写一个函数来判断 t 是否是 s 的字母异位词。

注意:若 s 和 t 中每个字符出现的次数都相同,则称 s 和 t 互为字母异位词。

示例 1:
输入: s = "anagram", t = "nagaram"
输出: true

示例 2:
输入: s = "rat", t = "car"
输出: false
 

提示:
1 <= s.length, t.length <= 5 * 104
s 和 t 仅包含小写字母

来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/valid-anagram

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