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| uses crt;
type inform = record
nomer: integer;
fam,im,ot: string[25];
data_rojd, data_reg: string[10];
pasport: string[15];
end;
pElement = ^element;
element = record
info: inform;
sled: pElement;
end;
{-------------------------------------------------------------}
procedure schitati_iz_faila(var pervyi,posled: pElement);
var f: file of inform;
begin
pervyi := nil;
posled := nil;
assign(f,'C:\CHITATELI.DAT');
{$I-} reset(f); {$I+}
if (IOResult <> 0) or (filesize(f) = 0) then
exit;
new(pervyi);
read(f,pervyi^.info);
pervyi^.sled := nil;
posled := pervyi;
while not eof(f) do
begin
new(posled^.sled);
posled := posled^.sled;
read(f,posled^.info);
end;
posled^.sled := nil;
close(f);
end;
{-------------------------------------------------------------}
procedure perezapisati_fail(pervyi: pElement);
var tek: pElement;
f: file of inform;
begin
assign(f,'C:\CHITATELI.DAT');
rewrite(f);
tek := pervyi;
while tek <> nil do
begin
write(f,tek^.info);
tek := tek^.sled;
end;
close(f);
end;
{-------------------------------------------------------------}
procedure ochistiti_spisok(var pervyi: pElement);
var tek: pElement;
begin
while pervyi <> nil do
begin
tek := pervyi;
pervyi := pervyi^.sled;
dispose(tek);
end;
end;
{-------------------------------------------------------------}
procedure sozdati(var pervyi,posled: pElement);
begin
if posled <> nil then
begin
new(posled^.sled);
posled := posled^.sled;
posled^.sled := nil;
end
else
begin
new(pervyi);
posled := pervyi;
posled^.sled := nil;
end;
with posled^.info do
begin
write('Nomer bileta: '); readln(nomer);
write('Familia: '); readln(fam);
write('Imea: '); readln(im);
write('Otchestvo: '); readln(ot);
write('Data rojdenia (dd.mm.gggg): '); readln(data_rojd);
write('Seria i nomer pasporta: '); readln(pasport);
write('Data registratsii: '); readln(data_reg);
end;
writeln;
writeln('Zapisi dobavlena!');
readkey;
end;
{-------------------------------------------------------------}
procedure udaliti(var pervyi,posled: pElement);
var tek,pred: pElement;
n: integer;
begin
if pervyi = nil then
begin
writeln('Spisok pust!');
readkey;
exit;
end;
write('Vvedite nomer bileta: '); readln(n);
tek := pervyi;
pred := nil;
while (tek <> nil) and (tek^.info.nomer <> n) do
begin
pred := tek;
tek := tek^.sled;
end;
if tek^.info.nomer = n then
begin
if pred <> nil then
pred^.sled := tek^.sled
else
pervyi := pervyi^.sled;
if tek = posled then
posled := pred;
dispose(tek);
writeln('Zapisi udalena!');
end
else
writeln('Zapisi ne suschestvuet!');
readkey;
end;
{-------------------------------------------------------------}
procedure poisk(pervyi: pElement);
var tek: pElement;
iskati: string[25];
begin
if pervyi = nil then
begin
writeln('Spisok pust!');
readkey;
exit;
end;
write('Familia: '); readln(iskati);
iskati := upcase(iskati);
tek := pervyi;
while (tek <> nil) and (upcase(tek^.info.fam) <> iskati) do
tek := tek^.sled;
if tek <> nil then
with tek^.info do
begin
writeln('Nomer bileta: ',nomer);
writeln('FIO: ',fam,' ',im,' ',ot);
writeln('Data rojdenia: ',data_rojd);
writeln('Pasportnye dannye: ',pasport);
writeln('Data registratsii: ',data_reg);
end
else
writeln('V spiske net chitatelia s takoi familiei!');
readkey;
end;
{-------------------------------------------------------------}
procedure vyvod_na_ekran(pervyi: pElement);
var tek: pElement;
n: integer;
begin
if pervyi = nil then
begin
writeln('Spisok pust!');
readkey;
exit;
end;
writeln;
writeln('+--------------------------------------------------------+');
writeln('|Nomer ch/b| FIO |');
writeln('+--------------------------------------------------------+');
tek := pervyi;
n := 0;
while tek <> nil do
begin
with tek^.info do
writeln(nomer:11,' ',fam,' ',im,' ',ot);
inc(n);
if n mod 10 = 0 then
readkey;
tek := tek^.sled;
end;
readkey;
end;
{-------------------------------------------------------------}
procedure menu(var pervyi,posled: pElement; posled_nomer: integer);
var vybor: integer;
begin
clrscr;
writeln('Menu:');
writeln('1 - Sozdanie zapisi');
writeln('2 - Redaktirovanie zapisi');
writeln('3 - Udalenie zapisi');
writeln('4 - Poisk');
writeln('5 - Vyvod spiska na ekran');
writeln('6 - Pechati spiska');
writeln('7 - Vyvod spiska v tekstovyi fail');
writeln('8 - Pereregistratsia');
writeln('9 - Vyhod');
writeln;
write('Vash vybor: '); readln(vybor);
writeln('------------------------------------------------------------');
case vybor of
1: sozdati(pervyi,posled);
3: udaliti(pervyi,posled);
4: poisk(pervyi);
5: vyvod_na_ekran(pervyi);
else
begin
perezapisati_fail(pervyi);
ochistiti_spisok(pervyi);
halt;
end;
end;
end;
{-------------------------------------------------------------}
var pervyi,posled: pElement;
posled_nomer: integer;
begin
schitati_iz_faila(pervyi,posled);
posled_nomer := 0;
repeat
menu(pervyi,posled,posled_nomer);
until false;
end. |
(
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