program tim_so_nguyen_am;
uses crt;
var n,i:integer;
b:array[1..1000]of integer;
begin
clrscr;
write('nhap so phan tu :');readln(n);
repeat
for i:=1 to n do
begin
write('nhap phan tu b[',i,']:');readln(b[i]);
end;
if abs(a[i]>1000)then write('ban hay nhap lai:');
until abs(b[i]<=1000);
writeln('cac phan tu nguyen duong cua mang la:');
for i:=1 to n do
if b[i]>=0 then write(b[i]:5);
writeln;
writeln('cac phan tu nguyen am cua mang la:');
readln;
end.
for i:=1 to n do
if b[i]<0 then write(b[i]:5);
uses crt;
var b:array[1..25]of integer;
i,n,dem1,dem2:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('B[',i,']='); readln(b[i]);
end;
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if b[i]>0 then inc(dem1);
if b[i]<0 then inc(dem2);
end;
writeln('So cac so nguyen duong la: ',dem1);
writeln('So cac so nguyen am la: ',dem2);
readln;
end.