745 / Л.Р.№3 / Lab3_var_3

uses crt;
var x,y,dob,z,w,q,g,h:string; i: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:='';
if p[1]='1' then
begin
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 2 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;
d:=concat(p[1],d);
code:=d;
end
else
code:=p;
end;

function symma(s3:string;s1:string):string;
var f:boolean; j:integer; s:string;
begin
s:='';
f:=false;
for j:=16 downto 1 do
begin
if f=true then
if (s1[j]='1') and (s3[j]='1') then
begin
s:=concat('1',s);
f:=true;
end
else
if (s1[j]='0') and (s3[j]='0') then
begin
s:=concat('1',s);
f:=false;
end
else
begin
s:=concat('0',s);
f:=true;
end
else
if (s1[j]='1') and (s3[j]='1') then
begin
s:=concat('0',s);
f:=true;
end
else
if (s1[j]='0') and (s3[j]='0') then
begin
s:=concat('0',s);
f:=false;
end
else
begin
s:=concat('1',s);
f:=false;
end;
end;
if f=true then s:=concat('1',s);
symma:=s;
end;

begin
clrscr;
write('Vvedite 1-e chislo:'); readln(x);
q:=perevod(x); z:=code(q); writeln('Dopolnitelnuy kod: ',z); writeln;
write('Vvedite 2-e chislo:'); readln(y);
g:=perevod(y); w:=code(g); writeln('Dopolnitelnuy kod: ',w);
z:=concat('00000000',z);
dob:='0000000000000000';
for i:=length(w) downto 1 do
begin
if w[i]='1' then
dob:=symma(dob,z);
delete(z,1,1);
z:=concat(z,'0');
end;
writeln('Result ymnogeniya: ',dob);
writeln;
writeln('Korekziya rezyltata:');
if (x[1]<>'-')and(y[1]<>'-') then
begin
writeln(' 1-e>0, Ё 2-e>0:');
writeln('Result ymnogeniya: ',dob);
end;
if (x[1]='-')and(y[1]<>'-') then
begin
writeln(' 1-e<0, a 2-e>0:');
writeln('K resultaty + -2*',y);
w[1]:='1'; w:=code(w);
delete(w,1,1);
w:=concat('0',w,'00000000');
dob:=symma(dob,w);
if dob[1]='0' then dob[1]:='1';
writeln('Polychaem: ',dob);
end;
if (y[1]='-')and(x[1]<>'-') then
begin
writeln(' 1-e>0, a 2-e<0:');
writeln('K resultaty + -2*',x);
z[1]:='1'; z:=code(z);
delete(z,1,1);
z:=concat('0',z,'00000000');
dob:=symma(dob,z);
if dob[1]='0' then dob[1]:='1';
writeln('Polychaem: ',dob);
end;
if (y[1]='-')and(x[1]='-') then
begin
writeln(' 1-e<0, Ё 2-e<0:');
writeln('K resultaty + 2*(|',x,'|+|',y,'|)');
q[1]:='0'; g[1]:='0';
q:=concat(q,'00000000');
g:=concat(g,'00000000');
h:=symma(q,g);
writeln('symma',h);
delete(h,1,1);
h:=concat('0',h,'00000000');
dob:=symma(dob,h);
delete(dob,1,1);
writeln('Polychaem: ',dob);
end;
readkey;
end.