View Compilation Error

0_0_19128909_21321.cpp: In function 'void update(const int&, const int&, int, int, int)':
0_0_19128909_21321.cpp:38:8: error: expected '(' before '%' token
     if %
        ^
0_0_19128909_21321.cpp:38:8: error: expected '}' at end of input