Câu 1:
program Cau_1;
uses crt;
var n,i,T: integer;
Begin
clrscr;
write('Nhap n: '); readln(n);
for i:=1 to n do T:=T+i;
write('Tong cac so tu 1 den ',n,' = ',T);
readln
End.
Câu 2:
program Cau_2;
uses crt;
var A:array [1..500] of integer;
n,i,max: integer;
Begin
clrscr;
write('Nhap so phan tu: '); readln(n);
max:=1;
for i:=1 to n do
begin
write('A[',i,']='); readln(A[i]);
if max<A[i] then max:=A[i];
end;
write('So lon nhat: ',max);
readln
End.