tham khảo:

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

i,n:integer;

begin

clrscr;

readln(n);

for i:=1 to n do readln(a[i]);

readln;

end.

uses crt;

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

i,n,max,min: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];

min:=a[1];

for i:=1 to n do 

  begin

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

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

end;

writeln('So lon nhat la: ',max);

writeln('So nho nhat la: ',min);

readln;

end.

uses crt;

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

i,n,tam,j:integer;

begin

clrscr;

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

for i:=1 to n do 

begin

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

end;

for i:=1 to n-1 do 

  for j:=i+1 to n do 

if a[i]<a[j] then

begin

tam:=a[i];

a[i]:=a[j];

a[j]:=tam;

end;

for i:=n downto 1 do 

  write(a[i]:4);

readln;

end.

uses crt;

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

i,n,dem,t,tb:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

dem:=0;

t:=0;

for i:=1 to n do 

  if a[i]>0 then

begin

dem:=dem+1;

t:=t+a[i];

end;

writeln('So luong phan tu duong la: ',dem);

writeln('Tong cac phan tu duong la: ',t);

writeln('Trung binh cac phan tu duong la: ',t/dem:4:2);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a[1000],i,n;

int main()

{

cin>>n;

for (i=1; i<=n; i++) cin>>a[i];

sort(a+1,a+n+1);

for (i=n; i>=1; i--) cout<<a[i]<<" ";

return 0;

}

uses crt;

var a:array[1..20]of integer;

i,n,t,dem:integer;

begin

clrscr;

for i:=1 to 20 do 

  begin

repeat

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

until a[i]>0;

end;

t:=0;

for i:=1 to 20 do 

  t:=t+a[i];

writeln('Tong cac so trong mang la: ',t);

dem:=0;

for i:=1 to 20 do 

  if a[i] mod 2=0 then inc(dem);

writeln('Trong mang co ',dem,' so chan');

readln;

end.