View Compilation Error

0_0_15032090_17662.cpp:74:23: error: expected '}' at end of input
             if(t==NIL)ret
                       ^
0_0_15032090_17662.cpp: In member function 'void LCT::link_cut_tree::pushdown(LCT::Node*)':
0_0_15032090_17662.cpp:74:23: error: 'ret' was not declared in this scope
0_0_15032090_17662.cpp:74:23: error: expected '}' at end of input
0_0_15032090_17662.cpp: At global scope:
0_0_15032090_17662.cpp:74:23: error: expected unqualified-id at end of input
0_0_15032090_17662.cpp:74:23: error: expected '}' at end of input