View Compilation Error

0_0_35861084_13820.cpp: In function 'void update(int, int, int, int)':
0_0_35861084_13820.cpp:37:7: error: expected primary-expression at end of input
     if(
       ^
0_0_35861084_13820.cpp:37:7: error: expected ')' at end of input
0_0_35861084_13820.cpp:37:7: error: expected statement at end of input
0_0_35861084_13820.cpp:37:7: error: expected '}' at end of input