View Compilation Error

0_0_30913379_2088.cpp:25:30: error: expected '}' at end of input
   int i = ++ Cntnd, mid = l %2
                              ^
0_0_30913379_2088.cpp: In member function 'int Persistent_Segment_Tree::Build(int, int)':
0_0_30913379_2088.cpp:25:30: error: expected ',' or ';' at end of input
0_0_30913379_2088.cpp:25:30: error: expected '}' at end of input
0_0_30913379_2088.cpp: At global scope:
0_0_30913379_2088.cpp:25:30: error: expected unqualified-id at end of input