program moebius(output); (* Moebius function *) var t, u: integer; function moebius(n: integer): integer; var m, f: integer; begin m := 1; if n <> 1 then begin f := 2; repeat if n mod (f * f) = 0 then m := 0 else begin if n mod f = 0 then begin m := -m; n := n div f end; f := f + 1 end until (f > n) or (m = 0) end; moebius := m end; begin for t := 0 to 9 do begin for u := 1 to 10 do write(moebius(10 * t + u): 2, ' '); writeln end end.