View Compilation Error

0_0_36600312_26173.cpp: In function 'void Andrew(int)':
0_0_36600312_26173.cpp:61:85: error: expected statement at end of input
   while( top > 1 && sgn(cross(pt[stk[top-1]]-pt[stk[top-2]],pt[i]-pt[stk[top-2]]))<0)  //
                                                                                     ^
0_0_36600312_26173.cpp:61:85: error: expected '}' at end of input
0_0_36600312_26173.cpp:61:85: error: expected '}' at end of input