/in/foo.cc:3:9: error: too many decimal points in number
 a:array[0..maxn+1] of longint;
         ^~~~~~~
/in/foo.cc:1:1: error: 'var' does not name a type
 var
 ^~~
/in/foo.cc:3:2: error: found ':' in nested-name-specifier, expected '::'
 a:array[0..maxn+1] of longint;
  ^
/in/foo.cc:3:1: error: 'a' does not name a type
 a:array[0..maxn+1] of longint;
 ^
/in/foo.cc:4:1: error: 'begin' does not name a type
 begin
 ^~~~~
/in/foo.cc:5:12: error: 't' does not name a type
 readln(n); t:=0; p:=1;
            ^
/in/foo.cc:5:18: error: 'p' does not name a type
 readln(n); t:=0; p:=1;
                  ^
/in/foo.cc:6:1: error: expected unqualified-id before 'for'
 for i:=1 to n do read(a[i]);
 ^~~
/in/foo.cc:7:1: error: 'a' does not name a type
 a[0]:=a[n];a[n+1]:=a[1];
 ^
/in/foo.cc:7:12: error: 'a' does not name a type
 a[0]:=a[n];a[n+1]:=a[1];
            ^
/in/foo.cc:8:1: error: expected unqualified-id before 'for'
 for i:=1 to n do
 ^~~
/in/foo.cc:12:1: error: expected unqualified-id before 'if'
 if t=1 then p:=i else break;
 ^~
/in/foo.cc:13:1: error: 'end' does not name a type
 end
 ^~~
/in/foo.cc:15:19: error: 'halt' does not name a type
 begin writeln(-1);halt end;
                   ^~~~
/in/foo.cc:16:1: error: expected unqualified-id before 'if'
 if t<2 then writeln((n-p+1)mod n) else writeln(-1);
 ^~
/in/foo.cc:17:1: error: 'end' does not name a type
 end.
 ^~~