View Compilation Error

0_0_30382223_25395.cpp:48:21: error: expected '}' at end of input
         if(!son[cur][
                     ^
0_0_30382223_25395.cpp: In member function 'void Palindromic_Tree::add(int)':
0_0_30382223_25395.cpp:48:21: error: expected primary-expression at end of input
0_0_30382223_25395.cpp:48:21: error: expected ']' at end of input
0_0_30382223_25395.cpp:48:21: error: expected ')' at end of input
0_0_30382223_25395.cpp:48:21: error: expected statement at end of input
0_0_30382223_25395.cpp:48:21: error: expected '}' at end of input
0_0_30382223_25395.cpp: At global scope:
0_0_30382223_25395.cpp:48:21: error: expected unqualified-id at end of input