745 / Л.Р.№4 / lab4_var_10

uses crt;
var d1,d2,ch,z1,z2,p,z:string; i,k,k1,k2:word;

function perevod(m:string):string;
var s,p,j:string; n,k,l,i,t:word;
begin
p:='';
if m[1]='-' then
begin
j:='1'; delete(m,1,1);
end
else j:='0';
s:=''; val(m,n,k);
repeat
begin
l:=n mod 2;
s:=concat(chr(l+48),s);
n:=n div 2;
end;
until (n div 2)<1;
s:=concat(chr(n+48),s);
p:=concat(s,p); t:=length(s);
for i:=2 to 8-t do
p:=concat('0',p);
p:=concat(j,p);
writeln('V 2-y s-me: ',s,' ');
writeln('Pryamoy kod: ',p);
perevod:=p;
end;

function code(p:string):string;
var a,b:integer; d,d1:string;
begin
d:='';
for a:=length(p) downto 1 do
if p[a]='1' then
begin
b:=a;break;
end;
for a:=length(p) downto b do
d:=concat(p[a],d);
for a:=b-1 downto 1 do
begin
if p[a]='0' then d1:=chr(ord(p[a])+1)
else d1:=chr(ord(p[a])-1);
d:=concat(d1,d);
end;
code:=d;
end;

function dopol(p1:string):string;
var i,j:integer; dop,dop1:string;
begin
dop:='';
if p1[1]='1' then
begin
for i:=length(p1) downto 1 do
if p1[i]='1' then
begin
j:=i;break;
end;
for i:=length(p1) downto j do
dop:=concat(p1[i],dop);
for i:=j-1 downto 2 do
begin
if p1[i]='0' then dop1:=chr(ord(p1[i])+1)
else dop1:=chr(ord(p1[i])-1);
dop:=concat(dop1,dop);
end;
dop:=concat(p1[1],dop);
dopol:=dop;
end
else
dopol:=p1;
end;

function symma(a1:string;a2:string):string;
var f:boolean; j:integer; s:string;
begin
s:='';
f:=false;
for j:=7 downto 1 do
begin
if f=true then
if (a1[j]='1') and (a2[j]='1') then
begin
s:=concat('1',s);
f:=true;
end
else
if (a1[j]='0') and (a2[j]='0') then
begin
s:=concat('1',s);
f:=false;
end
else
begin
s:=concat('0',s);
f:=true;
end
else
if (a1[j]='1') and (a2[j]='1') then
begin
s:=concat('0',s);
f:=true;
end
else
if (a1[j]='0') and (a2[j]='0') then
begin
s:=concat('0',s);
f:=false;
end
else
begin
s:=concat('1',s);
f:=false;
end;
end;
symma:=s;
end;

begin
clrscr;
write('Vvedite 1-e chislo:'); readln(d1);
d1:=perevod(d1);
write('Vvedite 2-e chislo:'); readln(d2);
d2:=perevod(d2);
z1:=copy(d1,1,1);
z2:=copy(d2,1,1);
delete(d1,1,1);
delete(d2,1,1);
writeln('Dilene - ',d1);
for i:=1 to length(d1) do
if d1[i]='1' then
begin
k1:=i;
break;
end;
for i:=1 to length(d2) do
if d2[i]='1' then
begin
k2:=i;
break;
end;
if k1>k2 then
begin
ch:='0';
d1:=d1;
end
else
begin
k:=k2-k1;
delete(d2,k1,k);
for i:=1 to k do
d2:=concat(d2,'0'); writeln('Dilnuk - ',d2);
d2:=code(d2);
ch:='0000000';
for i:=1 to k+1 do
begin
p:=d1;
d1:=symma(d1,d2);
if length(d1)>7 then delete(d1,1,1);
if d1[1]='0' then
begin
delete(ch,1,1);
ch:=concat(ch,'1');
end
else
begin
delete(ch,1,1);
ch:=concat(ch,'0');
d1:=p;
end;
delete(d2,7,1);
d2:=concat('1',d2);
end;
if (z1='0') and(z2='0') then
z:='0'
else
if ((z1='1') and(z2='0'))or ((z1='0') and(z2='1')) then
z:='1'
else z:='0';
d1:=concat(z,d1); writeln('Ostatok - ',d1); d1:=dopol(d1);
ch:=concat(z,ch); writeln('Chastka - ',ch); ch:=dopol(ch);
end;
writeln('Chastka v dodatkovomy codi - ',ch);
writeln('Ostatok v dodatkovomy codi - ',d1);
readkey;
end.