Câu 1

Var a:array[1..1000] of real;

s:real;

i,n:integer;

Begin

Write('n = ');readln(n);

s:=1;

For i:=1 to n do

Begin

Write('Nhap so thu ',i);readln(a[i]);

If a[i] > 0 then s:=s*a[i];

End;

Write('Tich la ',s:10:2);

Readln

End.

Câu 4:

Var a:array[1..1000] of integer;

s:longint;

i,n:integer;

Begin

Write('n = ');readln(n);

For i:=1 to n do

Begin

Write('Nhap so thu ',i);readln(a[i]);

If a[i] > 0 then s:=s+a[i];

End;

Write('Tong la ',s);

Readln

End.

Var a:array[1..1000] of integer;

s:longint;

i,n:integer;

Begin

Write('n = ');readln(n);

For i:=1 to n do

Begin

Write('Nhap so thu ',i);readln(a[i]);

If a[i] > 0 then s:=s+a[i];

End;

Write('Tong la ',s);

Readln

End.

lá cờ như thế nào bạn

program PrintEvenOdd;

var
  num, even, odd, i: Integer;

begin
  even := 0;
  odd := 0;
  for i := 1 to 5 do
  begin
    writeln('Nhap so thu ', i, ': ');
    readln(num);
   
    if num mod 2 = 0 then
      even := even + 1 
    else
      odd := odd + 1;
  end;
  writeln('Tong chan: ', even);
  writeln('Tong le: ', odd);
end.

Var a:array[1..5] of integer;

i:integer;

Begin

For i:=1 to 5 do

Begin

Write('Nhap so thu ',i,' = ');readln(a[i]);

End;

Writeln('Cac so chan la ');

For i:=1 to 5 do

If a[i] mod 2 = 0 then write(a[i]:8);

Writeln;

Write('Cac so le la ');

For i:=1 to 5 do

If a[i] mod 2 <> 0 then write(a[i]:8);

Readln

End.

var
  array_name: array[lower_bound..upper_bound] of data_type;

Cảm ơn ạ

Chọn A

A