Program HOC24;
var d,i,n,x: integer;
t: longint;
a: array[1..32000] of integer;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Chi so cac phan tu co gia tri bang 0 la: ');
for i:=1 to n do if a[i]=0 then write(i,' ');
writeln;
d:=0; t:=0;
write('Nhap X: '); readln(x);
for i:=1 to n do if a[i]>x then d:=d+1;
writeln('Co ',d,' phan tu co gia tri lon hon ',x);
if n=20 then
begin
for i:=5 to 20 do t:=t+a[i];
end else write('Du lieu da cho chua du 20 phan tu');
write('Tong cac phan tu co gia tri nam trong doan 5 den 20 la: ',t);
readln
end.
uses crt;
var a:array[1..250]of integer;
i,n,t,x,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Chi so cac phan tu co gia tri bang 0 la: ');
for i:=1 to n do
if a[i]=0 then write(i:4);
writeln;
write('Nhap x='); readln(x);
dem:=0;
for i:=1 to n do
if a[i]>x then inc(dem);
writeln('So phan tu lon hon ',x,' la: ',dem);
t:=0;
for i:=1 to n do
if (5<=a[i]) and (a[i]<=20) then t:=t+a[i];
writeln(t);
readln;
end.