program mang;
uses crt;
var A:array [1..500] of integer;
n,i,max,min,da,dd,T: integer;
Begin
clrscr;
write('Nhap so phan tu: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(A[i]);
end;
write('a) Mang vua nhap: ');
for i:=1 to n do write(A[i],' ');
writeln;
max:=1; min:=1;
for i:=1 to n do
begin
if max<A[i] then max:=A[i];
if min>A[i] then min:=A[i];
if A[i]<0 then da:=da+1;
if A[i]>0 then dd:=dd+1;
T:=T+A[i];
end;
writeln('b) So lon nhat: ',max);
writeln(' So nho nhat: ',min);
writeln('c) Co ',da,' so am');
writeln(' Co ',dd,' so duong');
write('d) Tong cac so trong mang = ',T);
readln
End.