Cod sursa(job #624076)
| Utilizator |  Gavrilut Ionut ionutg |
Data | 21 octombrie 2011 17:36:50 |
|---|---|---|---|
| Problema | Fractii | Scor | 0 |
| Compilator | fpc | Status | done |
| Runda | Arhiva de probleme | Marime | 0.25 kb |
var f,g:text;
x,y,i,j,n,s:longint;
BEGIN
assign(f,'fractii.in');reset(f);
assign(g,'fractii.out');rewrite(g);
read(f,n);
close(f);
s:=2*n-1;
for i:=2 to n do
for j:=2 to n do
if (j-i=1)or(i-j=1) then inc(s);
write(g,s);
close(g);
end.
