[Acwing] Trie字符串统计

*DDL_GzmBlog 发布时间：2021-06-21 16:49:12 ，浏览量：1

前言
做法
CODE:

前言

刚刚 2分钟没写出来又不熟练了所以记录一下

做法

通过 son[N][26] 建立一颗树通过cnt[N] 记录以当前结尾的串个数通过idx来区别其他串

基本操作步骤就是

for(int i = 0 ; i


    
        
        
        
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