View Compilation Error

0_0_30705635_29434.cpp: In function 'void add(int, int, int)':
0_0_30705635_29434.cpp:30:33: error: expected '}' at end of input
         tr[x].val += (l - r + 1);
                                 ^
0_0_30705635_29434.cpp:30:33: error: expected '}' at end of input