uses crt;
var i,j,x,n:longint; a:array[1..100]of 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]);
end;
for i:=1 to n do
for j:=i to n do
begin
for x:=i to j do write(a[x],' ');
writeln;
end;
readln
end.