View Compilation Error

0_0_33614656_27261.cpp:182:0: error: unterminated argument list invoking macro "tag"
 }
 ^
0_0_33614656_27261.cpp:108:5: error: expected '}' at end of input
     tag( ls( k ) += tag( k );
     ^
0_0_33614656_27261.cpp: In member function 'void Solution::SGTTree::Down(int)':
0_0_33614656_27261.cpp:108:5: error: 'tag' was not declared in this scope
0_0_33614656_27261.cpp:108:5: error: expected '}' at end of input
0_0_33614656_27261.cpp:108:5: error: expected '}' at end of input
0_0_33614656_27261.cpp: At global scope:
0_0_33614656_27261.cpp:108:5: error: expected unqualified-id at end of input
0_0_33614656_27261.cpp:108:5: error: expected '}' at end of input