Cod sursa(job #290612)
| Utilizator |  Adnrei Ig. igiat |
Data | 28 martie 2009 13:23:59 |
|---|---|---|---|
| Problema | Fractii | Scor | 0 |
| Compilator | fpc | Status | done |
| Runda | Arhiva de probleme | Marime | 0.34 kb |
program p1;
var n,nr,i,j:1..1000000;
f,g:text;
begin
assign(f,'fractii.in');reset(f);
assign(g,'fractii.out');rewrite(g);
readln(f,n);
nr:=n*n;
for i:=2 to n do
for j:=2 to n do
begin
if (i mod j =0) then dec(nr);
if (j mod i=0)and(i<>j) then dec(nr);
end;
writeln(g,nr);
close(f);
close(g);
end.