View Compilation Error

0_0_29811794_2270.cpp: In function 'void build(int&, int, int)':
0_0_29811794_2270.cpp:34:2: error: expected primary-expression before '%' token
  %7
  ^
0_0_29811794_2270.cpp:34:3: error: expected '}' at end of input
  %7
   ^
0_0_29811794_2270.cpp:34:3: error: expected '}' at end of input