Var a1,a2,a3,a4,a5,a6,a7,a8,k:integer; begin k:=0; read (a1,a2,a3,a4,a5,a6,a7,a8); if (a1>0) and (a2>0) and (a3>0) and (a4>0) and (a5>0) and (a6>0) and (a7>0) and (a8>0) then begin if (a1 mod 3 = 0) and (a1 mod 10 = 4) then k:=k+1; if (a2 mod 3 = 0) and (a2 mod 10 = 4) then k:=k+1; if (a3 mod 3 = 0) and (a3 mod 10 = 4) then k:=k+1; if (a4 mod 3 = 0) and (a4 mod 10 = 4) then k:=k+1; if (a5 mod 3 = 0) and (a5 mod 10 = 4) then k:=k+1; if (a6 mod 3 = 0) and (a6 mod 10 = 4) then k:=k+1; if (a7 mod 3 = 0) and (a7 mod 10 = 4) then k:=k+1; if (a8 mod 3 = 0) and (a8 mod 10 = 4) then k:=k+1; writeln (k); end else writeln ('Неверный ввод'); end.
begin
k:=0;
read (a1,a2,a3,a4,a5,a6,a7,a8);
if (a1>0) and (a2>0) and (a3>0) and (a4>0) and (a5>0) and (a6>0) and (a7>0) and (a8>0) then
begin
if (a1 mod 3 = 0) and (a1 mod 10 = 4) then k:=k+1;
if (a2 mod 3 = 0) and (a2 mod 10 = 4) then k:=k+1;
if (a3 mod 3 = 0) and (a3 mod 10 = 4) then k:=k+1;
if (a4 mod 3 = 0) and (a4 mod 10 = 4) then k:=k+1;
if (a5 mod 3 = 0) and (a5 mod 10 = 4) then k:=k+1;
if (a6 mod 3 = 0) and (a6 mod 10 = 4) then k:=k+1;
if (a7 mod 3 = 0) and (a7 mod 10 = 4) then k:=k+1;
if (a8 mod 3 = 0) and (a8 mod 10 = 4) then k:=k+1;
writeln (k);
end else
writeln ('Неверный ввод');
end.
a: array[1..10]of integer;
i, k, n: integer;
begin
Writeln('Исходный массив:');
Randomize;
for i := 1 to 10 do
begin
a[i] := Random(51) - 25;
Write(a[i], ' ');
end;
Writeln;
n := 0;
k := 0;
for i := 10 downto 1 do
if a[i] > 0 then
begin
k := k + 1;
if k = 2 then n := i;
end;
if k = 0 then
Writeln('В массиве нет положительных элементов!')
else
Writeln('Предпоследний положительный элемент: a[', n, '] = ', a[n]);
Readln;
end.