Uses crt;
type massiv=array[1..20] of real;
const x:array[0..10] of real=(0.18,0.51,0.61,0.94,1.15,1.42,1.54,1.76,1.80,2.08,2.25);
      y:array[0..10] of real=(-1.10,-1.06,-0.84,-0.74,-0.58,-0.25,-0.16,0.16,0.28,0.30,0.56);
var
a,b,c,d,h,k,l,r,s:massiv;
i,n:integer;
begin
Clrscr;
write('n='); read(n);
for i:=2 to n-1 do begin
k[1]:=0;l[1]:=0;
h[i-1]:=x[i-1]-x[i-2]; h[i]:=x[i]-x[i-1];
s[i]:=2*(h[i]+h[i-1]);
r[i]:=3*((y[i]-y[i-1])/h[i]-(y[i-1]-y[i-2])/h[i-1]);
k[i]:=(r[i]-h[i-1]*k[i-1])/(s[i]-h[i-1]*l[i-1]);
l[i]:=h[i]/(s[i]-h[i-1]*l[i-1]);
writeln('k[',i,']=',k[i]:2,' l[',i,']=',l[i]:2);
end;
for i:=n-2 downto 2 do begin
c[n-1]:=k[n-1];
c[i]:=k[i]-l[i]*c[i+1];
end;