View Compilation Error

0_0_17148031_8530.cpp:1:6: error: variable or field 'update' declared void
 void update
      ^
0_0_17148031_8530.cpp:4:2: error: expected primary-expression before 'int'
  int mid = (l + r) >> 1;
  ^
0_0_17148031_8530.cpp:4:2: error: expected '}' before 'int'
0_0_17148031_8530.cpp:5:2: error: expected unqualified-id before 'if'
  if (val <= mid)update( l, mid, val);
  ^
0_0_17148031_8530.cpp:6:2: error: expected unqualified-id before 'else'
  else update
  ^
0_0_17148031_8530.cpp:7:1: error: expected declaration before '}' token
 }
 ^