1) Dien vao dau cham trong bai giai: Viet chuong trinh thuc hien nhung viec sau:
a) Doc tu ban phim 1 danh sach gom:
Ho ten, mon thi thu nhat, diem mon thi thu nhat , mon thi thu hai, diem mon thi thu hai
b) Ghi vao dia voi ten tep QLHT
c) Doc du lieu tu File QLHT, tim nhung hoc sinh phai thi lai ( co it nhat mot mon khong dat ) . Dua ra so thu tu, ho ten, cac mon phai thi lai va diem tuong ung ra man hinh
Bai giai
program......
Uses Crt;
type phieudiem = record
hten : string [25];
Mh1 : string [10];
d1 : real;
Mh2 : string [10];
d2 : real'
end;
Var
pd : phieudiem;
f file of phieudiem;
n,i,t : integer;
Begin
clrscr;
write ( ' So phieu diem n = ' ) ;
...........................
assign (....................) ;
rewrite (..............)
For i := 1 to n do
with pd do
begin
Writeln ( ' Vao phieu diem thu ' , i );
Write ( ' Ho va ten: ' ) ;
Readln (...................)
Write (' Mon thi thu nhat : ') ;
Read..............
Write ( ' Diem mon thu nhat ' );
Read.....................
Write ( ' Mon thi thu hai: ' ) ;
Readln.............................
Write ( ' Diem mon thu hai: ' ) ;
Read...............
Write ( f, pd ) ;
end;
close (f);
clrscr ;
Writeln ( ' Danh sach hoc sinh thi lai : ') ;
Writeln;
assign....................
reset...........
t : = 0 ;
While not eof (f) do
Begin
read ( r, pd );
with pd do
If ( d1 < 5 ) or ( d2 < 5 ) then
Begin
inc (t);
Write..................
if d1 < 5 then
Write.......
if d2 < 5 then
Write............
Writeln;
end;
end;
close (f);
end.
