View Compilation Error

0_0_33146793_23172.cpp: In function 'void update(int, int, int, int, int)':
0_0_33146793_23172.cpp:39:5: error: expected ')' at end of input
  if(index
     ^
0_0_33146793_23172.cpp:39:5: error: expected statement at end of input
0_0_33146793_23172.cpp:39:5: error: expected '}' at end of input