Var a:array[1..10000] of integer; i, n, first, last:integer; fl: boolean; begin Read(n); For i:= 1 to n do Read(a[i]);fl:=false; For i:= 1 to n do if (a[i] mod 5 = 0) then if (fl = false) then begin fl:= true; first := i; last:= i; end else last := i; Writeln('Первый -> ', first); Writeln('Последный -> ', last);
30 720 :500 = 61, 44
61+1 = 62 диска