uses crt;

var a:array[1..100]of integer;

i,n,max:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do

begin

write('A[',i,']='); readln(a[i]);

end;

max:=a[1];

for i:=1 to n do 

if max<a[i] then max:=a[i];

writeln(max);

readln;

end.

Program HOC24;

var min,max,i,n: integer;

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

begin

write('Nhap N: '); readln(n);

for i:=1 to n do 

begin

write('A[',i,']='); readln(a[i]);

end;

max:=a[1]; min:=a[1];

for i:=2 to n do

begin

if a[i]> max then max:=a[i];

if a[i]<min then min:=a[i];

end;

writeln('Gia tri lon nhat la: ',max); 

write('Gia tri nho nhat la: ',min);

readln

end.

uses crt;

var a:array[1..100]of integer;

i,n,t:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do 

  begin

write('A[',i,']='); readln(a[i]);

end;

t:=0;

for i:=1 to n do 

 if a[i]>0 then t:=t+a[i];

writeln(t);

readln;

end.

uses crt;
var a:array[1..1000000] of longint;
      n,i,s:longint;
begin
      clrscr;
      write('Nhap so luong phan tu: '); readln(n);
      for i:=1 to n do 
            begin
                  write('Nhap phan tu thu ',i,': '); readln(a[i]);
                  if a[i] mod 2=1 then inc(s,a[i]);
            end;
      write('Tong cac so le: ',s);
      readln;
end.

test test

uses crt;
var a:array[1..1000000] of longint;
      n,i,d:longint;
begin
      clrscr;
      write('Nhap so luong phan tu: '); readln(n);
      for i:=1 to n do 
            begin
                  write('Nhap phan tu thu ',i,': '); readln(a[i]);
                  if a[i] mod 2=0 then inc(d);
            end;
      write('Co ',d,' gia tri la so chan');
      readln;
end.