Òþ²ØÇý¶¯Æ÷Ëã·¨ a..z Óà 2µÄn´Î·½±íʾÈçÒþ²ØaºÍc ÓÃ2µÄ0´Î 2µÄ2´Î=5±íʾ
var stmp:string;
itmp,irun,ival:integer;
begin
ival:=0;
stmp:=uppercase(edit1.text);
for irun:=1 to length(stmp) do
begin
itmp:=ord(stmp[irun])-66;
itmp:=Trunc(Ldexp(2,itmp));
ival:=ival itmp;
end;
edit2.text:=inttostr(ival);
//ÒÔÉÏÊÇÕýÏòÔËËã
stmp:='';
while ival >0 do
begin
for irun:=0 to 25 do if Ldexp(2,irun)>ival then break;
ival:=ival-Trunc(Ldexp(2,irun-1));
stmp:=chr(65 irun) stmp;
end;
edit3.Text :=stmp;
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ÒÔÏÂÊǹØÓÚÔËËãËٶȵÄÎÊÌ⣬ÏÈÉùÃ÷£¬»ðÄñ±¾Ñ§²»ÊǼÆËã»ú£¬ËùÒÔÈçÄú¾õµÃÕâЩÎÊÌâÊǿα¾ÉÏÔç½²¹ýµÄ¡£²»±Ø¼ûЦ£¬Ìø¹ý²»¿´±ãÊÇ¡£ÒÔÏÂÊÇ´úÂ룺
procedure TForm1.Button1Click(Sender: TObject);//ÕâÊÇÒ»¸öʹÓÃÁËÖ¸ÕëµÄÅÅÐò
var it:array[0..39999] of integer;
itmp,irun,iset:integer;
pi:^integer;
begin
for itmp:=0 to 39999 do
it[itmp]:=39999-itmp Random(999);
caption:=timetostr(time) '-'; //¿ªÊ¼¼ÆÊ±
for itmp:=0 to 39999 do
begin
pi:=@it[itmp];
for irun:=itmp 1 to 39999 do
if pi^>it[irun] then pi:=@it[irun];
iset:=it[itmp];
it[itmp]:=pi^;
pi^:=iset;
end;
caption:=caption timetostr(time);//¼ÆÊ±½áÊø£¬ÔÚ»ðÄñP3 533EB 128MÄÚ´æÖÐÔËËãÁË7Ãë×óÓÒ
end;
procedure TForm1.Button1Click(Sender: TObject);//ÕâÊÇÒ»¸öδʹÓÃÖ¸ÕëµÄÅÅÐò
var it:array[0..39999] of integer;
itmp,irun,iset:integer;
pi:integer;
begin
for itmp:=0 to 39999 do
it[itmp]:=39999-itmp Random(999);
caption:=timetostr(time) '-'; //¿ªÊ¼¼ÆÊ±
for itmp:=0 to 39999 do
begin
pi:=itmp;
for irun:=itmp 1 to 39999 do
if it[pi]>it[irun] then pi:=irun;
iset:=it[itmp];
it[itmp]:=it[pi];
it[pi]:=iset;
end;
caption:=caption timetostr(time);//ÔÚͬÑù»·¾³ÖÐÔËËãÁË10ÃëÒÔÉÏ
end;
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procedure TForm1.Button1Click(Sender: TObject);//ÕâÊÇÒ»¸ö²åÈëÅÅÐò·¨
var it:array[0..39999] of integer;
itmp,irun,iset:integer;
pi:integer;
begin
for itmp:=0 to 39999 do
it[itmp]:=39999-itmp Random(999);
caption:=timetostr(time) '-'; //¿ªÊ¼¼ÆÊ±
for itmp:=1 to 39999 do
begin
pi:=it[itmp];
irun:=itmp-1;
while (pi< it[irun]) and (irun>-1) do
begin
it[irun 1]:=it[irun];
irun:=irun-1;
end;
it[irun 1]:=pi;
end;
caption:=caption timetostr(time);//ÔÚͬÑù»·¾³ÖÐÔËËãÁË6-7Ãë
end;
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procedure TForm1.Button1Click(Sender: TObject);
var it:array[0..39999] of integer;
itmp,irun,iset:integer;
pi:integer;
begin
for itmp:=0 to 39999 do
it[itmp]:=39999-itmp Random(999);
caption:=timetostr(time) '-'; //¿ªÊ¼¼ÆÊ±
iset:=40000;
while iset>1 do
begin
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