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{$mode objfpc}{$h+}
uses
classes, sysutils;
const
count = 64;
factor = 15;
function ptrtopaddedstr(x: pointer): string;
begin
result := format('%02p', [x]);
end;
procedure fatalerror(str: string; index: integer);
begin
writeln(str, index);
halt(1);
end;
var
i, j: ptrint;
strlist: tstringlist;
begin
strlist := tstringlist.create;
for i := 0 to count-1 do
begin
j := factor*i mod count;
strlist.addobject(ptrtopaddedstr(pointer(j)), tobject(j));
end;
for i := 0 to count-1 do
begin
j := factor*i mod count;
if strlist.strings[i] <> ptrtopaddedstr(pointer(j)) then
fatalerror('string error at ', i);
if strlist.objects[i] <> tobject(j) then
fatalerror('object error at ', i);
end;
strlist.sort;
for i := 0 to count-1 do
begin
if strlist.strings[i] <> ptrtopaddedstr(pointer(i)) then
fatalerror('sorted string error at ', i);
if strlist.objects[i] <> tobject(i) then
fatalerror('sorted object error at ', i);
end;
strlist.delete(10);
strlist.delete(25);
if strlist.count <> count-2 then
fatalerror('strlist.count is not ', count-2);
j := 0;
for i := 0 to 61 do
begin
if strlist.strings[i] <> ptrtopaddedstr(pointer(j)) then
fatalerror('delete string error at ', i);
if strlist.objects[i] <> tobject(j) then
fatalerror('delete object error at ', i);
inc(j);
if (j = 10) or (j = 26) then
inc(j);
end;
strlist.free;
writeln('ok');
end.
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