Cod sursa(job #26925)

Utilizator fogabFodor Gabor fogab Data 5 martie 2007 22:42:12
Problema 1-sir Scor 100
Compilator fpc Status done
Runda Arhiva de probleme Marime 0.38 kb
const p=194767;
var f:text;
    n,i,j:integer;
    s:int64;
    a1,a2:array[0..32896] of int64;

begin
assign(f,'1-sir.in');
reset(f);
readln(f,n,s);
close(f);
a1[0]:=1;
for i:=2 to n do
  begin
  for j:=0 to i*(i-1) div 2 do
    a2[j]:=(a1[abs(j+i-1)]+a1[abs(j-i+1)]) mod p;
  a1:=a2;
  end;
assign(f,'1-sir.out');
rewrite(f);
writeln(f,a1[abs(s)]);
close(f);
end.