Cod sursa(job #846870)
Utilizator | Domuta Dariu lolman | Data | 2 ianuarie 2013 21:51:02 |
---|---|---|---|
Problema | Numarare triunghiuri | Scor | 70 |
Compilator | fpc | Status | done |
Runda | Arhiva de probleme | Marime | 0.55 kb |
var v:array[1..800] of longint;
f,g:text;
i,j,k,aux,p,n:longint;
begin
assign(f,'nrtri.in');reset(f);
assign(g,'nrtri.out');rewrite(g);
readln(f,n);
for i:=1 to n do
read(f,v[i]);
for i:=1 to n-1 do
for j:=i+1 to n do
if v[i]>v[j] then
begin
aux:=v[i];
v[i]:=v[j];
v[j]:=aux;
end;
for i:=1 to n-2 do
for j:=i+1 to n-1 do
for k:=j+1 to n do
if v[k]<=v[i]+v[j] then
p:=p+1;
write(g,p);
close(f);
close(g);
end.