View Compilation Error

0_0_17348487_24448.cpp: In function 'int main()':
0_0_17348487_24448.cpp:37:37: error: expected '}' at end of input
                     itb=u.erase(itb);
                                     ^
0_0_17348487_24448.cpp:37:37: error: expected '}' at end of input
0_0_17348487_24448.cpp:37:37: error: expected '}' at end of input
0_0_17348487_24448.cpp:37:37: error: expected '}' at end of input