View Compilation Error

0_0_31801245_2990.cpp: In function 'int ask(int, int, int, int, int, int)':
0_0_31801245_2990.cpp:166:10: error: expected initializer before '%' token
  int mid %
          ^
0_0_31801245_2990.cpp:166:10: error: expected '}' at end of input