Question

Giúp em vs ạ:,v

Answer 1

uses crt;

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

i,n,dem,tb:integer;

begin

clrscr;

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

for i:=1 to n do 

begin

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

end;

tb:=0;

dem:=0;

for i:=1 to n do 

 if (50<=a[i]) and (a[i]<=150) then

begin

tb:=tb+a[i];

inc(dem);

end;

writeln('Ket qua la: ',tb/dem:4:2);

readln;

end.