Cod sursa(job #282383)
Utilizator | ghindeanu iulia Katinka | Data | 17 martie 2009 16:34:58 |
---|---|---|---|
Problema | Factorial | Scor | 20 |
Compilator | fpc | Status | done |
Runda | Arhiva de probleme | Marime | 0.57 kb |
var f,g:text; p,i,min,d,c,aux:longint;
begin
assign(f,'fact.in'); reset(f);
read(f,p); close(f);
i:=1;
if p=0 then
begin
assign(g,'fact.out'); rewrite(g);
write(g,1);close(g); exit;
end;
while min<p do
begin
inc(i);aux:=i;
while aux mod 2=0 do
begin
aux:=aux div 2;
inc(d);
end;
while aux mod 5=0 do
begin
aux:=aux div 5;
inc(c);
end;
if c<d then min:=c
else
min:=d;
end;
assign(g,'fact.out'); rewrite(g);
if min=p then
write(g,i)
else
write(g,'-1');
close(g);
end.