Var a:array[1..200] of integer;
i,n:integer;
begin
write('Nhap n = ');readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,' = ');readln(a[i]);
end;
write('Cac phan tu o vi tri chan la: ');
for i:=2 to n do
begin
if i mod 2 = 0 then write(i:7);
end;
readln;
end.
uses crt;
var n,i,chan,tonchan:integer;
a:array[1..100] of integer;
begin
write('nhap n '); readln(n);
for i:=1 to n do
begin
write('a[i]='); readln(a[i]);
end;
writeln("in cac phan tu trong mang");
for i:=1 to n do
begin
writeln(a[i]);
end;
writeln("in cac phan tu chan");
chan:=0;
for i:=1 to n do
if n mod 2=0 then begin writeln(a[i]); chan:=chan+1; end;
write('tong cac phan tu chan ',chan);
readln;
uses crt;
var n,i,chan,tonchan:integer;
a:array[1..100] of integer;
begin
write('nhap n '); readln(n);
for i:=1 to n do
begin
write('a[i]='); readln(a[i]);
end;
writeln("in cac phan tu trong mang");
for i:=1 to n do
begin
writeln(a[i]);
end;
writeln("in cac phan tu chan");
chan:=0;
for i:=1 to n do
if n mod 2=0 then begin writeln(a[i]); chan:=chan+1; end;
write('tong cac phan tu chan ',chan);
readln;