0_0_14723008_26795.cpp: In member function 'void Trie::insert(char*)':
0_0_14723008_26795.cpp:33:27: error: 'strlen' was not declared in this scope
int len=strlen(buf);
^
0_0_14723008_26795.cpp: In member function 'int Trie::query(char*)':
0_0_14723008_26795.cpp:71:27: error: 'strlen' was not declared in this scope
int len=strlen(buf);
^
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