View Compilation Error

0_0_16515014_32746.cpp:26:12: error: expected '}' at end of input
         if%2
            ^
0_0_16515014_32746.cpp: In member function 'void SegmentTree::build(int, int, int, int*)':
0_0_16515014_32746.cpp:26:11: error: expected '(' before '%' token
         if%2
           ^
0_0_16515014_32746.cpp:26:12: error: expected '}' at end of input
         if%2
            ^
0_0_16515014_32746.cpp: At global scope:
0_0_16515014_32746.cpp:26:12: error: expected unqualified-id at end of input