Cod sursa(job #525583)

Utilizator ion_calimanUAIC Ion Caliman ion_caliman Data 25 ianuarie 2011 16:11:38
Problema Factorial Scor 10
Compilator fpc Status done
Runda Arhiva de probleme Marime 0.32 kb
var     p,nr,fac,x,n:int64;
        i,j:int64;
        f:text;
begin
assign(f,'fact.in');
reset(f);
read(f,p);
close(f);
nr:=0;
n:=1;
fac:=1;

if p mod 6<>5 then
n:=p*5-(p div 6)*5;

assign(f,'fact.out');
rewrite(f);
if p=0 then write(f,1) else
if p mod 6 =5 then write(f,-1) else
write(f,n);
close(f);
end.