Cod sursa(job #111732)
Utilizator | Antoanela Siminiuc antoanela | Data | 1 decembrie 2007 19:12:18 |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | fpc | Status | done |
Runda | Arhiva de probleme | Marime | 0.46 kb |
program fractii;
var f,g:text;
n,i,j,ci,cj:longint;
c:int64;
begin
assign(f,'fractii.in');
assign(g,'fractii.out');
reset(f);
rewrite(g);
read(f,n);
c:=n*n;
for i:=2 to n do
begin
for j:=i to n do
begin
ci:=i;
cj:=j;
while (ci<>cj)do
if (ci>cj)then ci:=ci-cj else cj:=cj-ci;
if (ci>1)then
if (i=j)then c:=c-1 else c:=c-2;
end;
end;
write(g,c);
close(f);
close(g);
end.