h2. Restricţii
* <tex>1 \leq k \leq n \leq 500</tex>

* <tex>1 \leq A_i \leq 1000000, \forall i \in \lbrace 1, \ldots n \rbrace</tex>

* <tex>1 \leq A_i \leq 10^6, \forall i \in \lbrace 1, \ldots, n \rbrace</tex>

h2. Exemplu

  1 2 3 4 5
  3 2
  4 78 9

  0

| 1:6
  2:82
|

h3. Explicaţie
 
...

== include(page="template/taskfooter" task_id="sume3") ==