View Compilation Error

0_0_37649692_26385.cpp: In function 'int main()':
0_0_37649692_26385.cpp:17:17: error: expected ')' before ';' token
 #define INF 2e18;
                 ^
0_0_37649692_26385.cpp:67:11: note: in expansion of macro 'INF'
   if(ans>=INF)cout<<ans<<'\n';
           ^
0_0_37649692_26385.cpp:67:14: error: expected primary-expression before ')' token
   if(ans>=INF)cout<<ans<<'\n';
              ^
0_0_37649692_26385.cpp:68:3: error: 'else' without a previous 'if'
   else cout<<"-1\n";
   ^