Program n1;
<span>var a,b,c,s,p:real;
</span><span>begin
</span><span>readln(a);
</span><span>readln(b);
</span><span>readln(c);
</span><span>if (a+b>c) and (a+c>b) and (b+c>a) then
</span><span>begin
</span><span>p:=a+b+c;
</span><span>s:=sqrt(p*(p-a)*(p-b)*(p-c));
</span><span>writeln('периметр=',p);
</span><span>writeln('площадь=',s);
</span><span>end else
</span><span>writeln('треугольник не существует');
</span><span>end.</span>
Const nmax = 5;
var a:array [1..nmax] of integer;
i,k:integer;
begin
k:=0;
randomize;
for i:=1 to nmax do
begin
a[i]:=random(11)+10;
write (a[i],' ');
if a[i] mod 5 = 0 then inc(k);
end;
writeln;
writeln ('Kol-vo: ',k);
end.
<span>В качестве разделителей добавлены только: пробел, запятая, точка и тире.</span>
A:array[1..10000] of integer;
i, n, a, b, k:integer;
begin
k:=1;
readln(n, a, b);
for i:=1 to n do
readln(a[i]);
for i:=a to b do
if ((a[i] mod 3)=0) or ((a[i] mod 5)=0) then k:=k*a[i];
writeln(k);
readln;
end.