h2. Restrictii

* $1 ≤ N ≤ 50.000$
* $0 ≤ G ≤ 200.000$

* $1 ≤ N ≤ 500$

h2. Exemple
table(example). |_. culori.in |_. culori.out |

| 3 9
2
2
4 | 8 3
2
2
4 |
| 6 24
19
7
7
7
7
2 | 23 4
2
7
7
7 |

| 3
3 1 3 1 3
| 2 |
| 1 2
| 0 |
 
h3. Explicatie
 
In desen observam colorate cu verde muchiile unui arbore partial de diametru 4, acestea sunt: (1, 5), (2, 4), (3, 4), (4, 5), (4, 6), (5, 7), (6, 8)
 
!problema/culori?culori.JPG!

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