program hocmang;
uses crt;
var A:array[1..10000] of integer;
n,i,ta,td,t,da,dd:integer;
begin
clrscr;
write('Nhap so luong phan tu: '); readln(n);
writeln('NHAP GIA TRI TUNG PHAN TU CUA DAY');
t:=0; ta:=0; td:=0; da:=0; td:=0;
for i:=1 to n do
begin
write('A[',i,']= ');
readln(A[i];
t:=t+A[i];
if A[i]<0 then
begin
da:=da+1;
ta:=ta+A[i];
end;
if A[i]>0 then
begin
dd:=dd+1;
td:=td+A[i];
end;
end;
writeln('Day vua nhap la:');
for i:=1 to n do
write(A[i]:4);
writeln('Tong cac phan tu cua day la: ',t);
writeln('Co ',dd,' phan tu duong trong day va tong cua chung la: ',td);
writeln('Co ',da,' phan tu duong trong day va tong cua chung la: ',ta);
writeln('Trung binh cong cua day la: ',t/n:2:2);
readln
end.