1. program b1;
uses crt;
var A:array[1..100] of integer;
i,n:integer;
begin
clrscr;
writeln('nhap so hoc sinh trong lop');
readln(n);
for i:=1 to n do
begin
writeln('nhap so diem cua hoc sinh ',i,' la');
readln(A[i]);
end;
readln;
end.
2.
program b1;
uses crt;
var A:array[1..100] of integer;
i,n:integer;
S: real;
begin
clrscr;
S:=0;
writeln('nhap so hoc sinh trong lop');
readln(n);
for i:=1 to n do
begin
writeln('nhap so diem cua hoc sinh ',i,' la');
readln(A[i]);
end;
for i:=1 to n do
begin
if A[i] >= 8 then S:=S+i;
end;
writeln('so hoc sinh gioi la',S:2:1);
readln;
end.