uses crt;
var
i,n:integer;
sum:real;
begin clrscr;
sum:=1;
write('n=');
read(n);
for i:=1 to n do
sum:=sum+1/(i*10);
writeln('sum=',sum:3:4);
readkey;
end.
uses crt;
var
i,n:integer;
sum:real;
begin clrscr;
sum:=1;
write('n=');
read(n);
for i:=1 to n do
sum:=sum+1/(i*10);
writeln('sum=',sum:3:4);
readkey;
end.