Re: For java,BigInteger works
Послано
aczovo 9 мар 2007 10:47
var
a,b:array[1..1000]of longint;
i,n,k,u,v,j:longint;
begin
for i:=1 to 100 do
begin
a[i]:=0;
b[i]:=0;
end;
readln(n);
readln(k);
a[1]:=k-1;
b[1]:=k*(k-1);
u:=1;
v:=1;
for i:=3 to n do
if (i mod 2=1) then
for j:=1 to v do
begin
if 9*(a[j]+b[j])>=1000000000
then begin
if j=v then u:=u+1;
a[j+1]:=a[j+1]+1;
end;
a[j]:=9*(a[j]+b[j]) mod 1000000000
end
else for j:=1 to u do
begin
if 9*(a[j]+b[j])>=1000000000
then begin
if j=u then v:=v+1;
a[j+1]:=a[j+1]+1;
end;
a[j]:=9*(a[j]+b[j]) mod 1000000000
end;
if n mod 2=1 then
for i:=u downto 1 do
write(a[i])
else for i:=v downto 1 do
write(b[i]);
end.