BT4.
uses crt;
var i,n,d:longint; a:array[1..1000000]of longint;
begin
clrscr;
write('n=');readln(n);
for i:=1 to n do
begin
write('a[',i,']=');readln(a[i]);
if a[i]<0 then inc(d);
end;
writeln(d);
readln
end.
BT5.
uses crt;
var i,n,d:longint; a:array[1..1000000]of longint;
begin
clrscr;
write('n=');readln(n);
for i:=1 to n do
begin
write('a[',i,']=');readln(a[i]);
if a[i]>0 then inc(d,a[i]);
end;
writeln(d);
readln
end.
BT6.
uses crt;
var i,n,d:longint; a:array[1..1000000]of longint;
begin
clrscr;
write('n=');readln(n);
for i:=1 to n do
begin
write('a[',i,']=');readln(a[i]);
if a[i]=5 then inc(d);
end;
writeln(d);
readln
end.
