var i,s,p:integer; a:array [1..100] of integer;
begin
s:=0; p:=0;
writeln('Vvedite masiv a:');
for i:=1 to 10 do begin
write('a[',i,']=');
readln(a[i]);
end;
for i:=1 to 10 do begin
if a[i]>0 then s:=s+a[i];
end;
s:=s*2;
writeln('Udvoennaya suma polozhitelnih elementov=',s);
writeln('Indexi elementov kotorie bolshe prediduschego:');
writeln;
for i:=2 to 10 do begin
if a[i]>a[i-1] then write(i,', ');
end;
for i:=2 to 10 do begin
if ((a[i]>=0) and (a[i-1]>=0)) or ((a[i]<0) and (a[i-1]<0)) then p:=p+1;
end;
writeln;
if p>0 then writeln('Masiv imeet pari sosednih elementov s odnakovimi znakami') else writeln('Masiv ne imeet pari sosednih elementov s odnakovimi znakami');
readln(s);
end.
Program ToDec;
Uses crt;
var s:string;
n,l,i:integer;
function Pow(x,y:integer):integer;
begin
if y>0 then Pow:=Pow(x,y-1)*x
else Pow:=1;
end;
function ToDec(A : string) : integer;
var L : Byte;
begin
if A = '' then ToDec := 0
else begin
L := length(A);
case A[1] of
'0' : ToDec := ToDec(Copy(A, 2, L - 1));
'1' : ToDec := Pow(2, L - 1) + ToDec(Copy(A, 2, L - 1));
end;
end;
end;
begin
clrscr;
write('Введите двоичное число: ');
readln(s);
writeln('Это число в десятичной системе : ', ToDec(S));
readkey;
end.
