trie hdu 1251 통계 난제 (사전 단어를 정하고 어떤 단어를 접두사로 하는 단어의 개수를 조회합니다) trie [LeetCode] 642. Design Search Autocomplete System Users may input a sentence (at least one word and end with a special character '#'). For each character they type except '#', you need to return the top 3 historical hot sentences that have prefix the same as the part of... triepriority-queue자바hashmap
hdu 1251 통계 난제 (사전 단어를 정하고 어떤 단어를 접두사로 하는 단어의 개수를 조회합니다) trie [LeetCode] 642. Design Search Autocomplete System Users may input a sentence (at least one word and end with a special character '#'). For each character they type except '#', you need to return the top 3 historical hot sentences that have prefix the same as the part of... triepriority-queue자바hashmap