0_0_36452463_10748.cpp:23:31: error: expected ';' at end of member declaration
bool operator<(const node &x)const//
^
0_0_36452463_10748.cpp:23:31: error: expected '}' at end of input
0_0_36452463_10748.cpp:23:31: error: expected unqualified-id at end of input
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