Cod sursa(job #24400)
Utilizator | Data | 2 martie 2007 11:16:46 | |
---|---|---|---|
Problema | Triplete | Scor | 0 |
Compilator | fpc | Status | done |
Runda | Arhiva de probleme | Marime | 0.49 kb |
var n,m:longint;
i,j,x,y,db,k:longint;
a:array[1..40,1..40] of 0..1;
f:text;
begin
assign(f,'triplete.in');
reset(f);
readln(f,n,m);
for i:=1 to m do begin
readln(f,x,y);
a[x,y]:=1;
a[y,x]:=1;
end;
close(f);
db:=0;
for i:=1 to n do
for j:=i+1 to n do
if a[i,j]=1 then
for k:=1 to i do
if (a[i,k]=1)and(a[j,k]=1) then db:=db+1;
assign(f,'triplete.out');
rewrite(f);
writeln(f,db);
close(f);
end.