Cod sursa(job #112675)
Utilizator | Data | 6 decembrie 2007 17:34:14 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | fpc | Status | done |
Runda | Arhiva de probleme | Marime | 0.26 kb |
var f,g:text;
nr,n,i,j:longint;
begin
assign(f,'fractii.in');reset(f);
assign(g,'fractii.out');rewrite(g);
read(f,n);
nr:=n*(n-1);
for i:=2 to n-1 do
for j:=i+1 to n do
if j mod i=0 then dec(nr,2);
writeln(g,nr+1);
close(f);
close(g);
end.