program v3;
var x,y,r:real;
begin
writeln('vvedite x,y,r');
readln(x,y,r);
if (r<=0) then writeln('ne imeet smisla')
else
if ((sqr(r)<=sqr(x+r)+sqr(y-r))and(y>=0)and(y<=r)and(x<=0)and(x>=-r))or
((sqr(r)>=sqr(x)+sqr(y))and(y<=0)and(y>=-r)and(x>=0)and(x<=r))
then writeln('da')
else writeln('net');
readln;
end.
Соседние файлы в папке lab2 (15)