
Grafuri orientate
Authored by Aliana Ifrim
Computers
11th Grade
Used 4+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Intr-un graf orientat cu 7 noduri, suma gradelor interioare ale tuturor nodurilor este egala cu 10. Care este valoarea sumei gradelor exterioare ale tuturor nodurilor?
5
20
10
17
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre urmatoarele proprietati este adevarata pentru un graf orientat cu n varfuri si n arce (n > 3) care are un circuit de laungime n
exista un varf cu gradul intern n-1
pentru orice varf gradul intern si gradul extern sunt egale
graful nu are drumuri de lungime strict mai mare decat 2
gradul intern al oricarui varf este egal cu 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Intr-un graf orientat memorat cu ajutorul listelor de adiacenta alaturate, suma elementelor de pe ultima linie a matricei de adiacenta asociata grafului este egala cu:
3
0
1
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suma gradelor interne ale tuturor varfurilor unui graf orientat este intotdeauna egala cu:
numarul valorilor de 1 aflate sub diagonala principala in matricea de adiacenta
produsul gradelor externe al tuturor varfurilor grafului
suma tuturor valorilor aflate deasupra diag. principale din matricea de adicenta
suma gradelor externe ale tuturor varfurilor grafului
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un graf orientat este reprezentat prin matricea de adiacenta alaturata. Cate varfuri au gradul interior egal cu gradul exterior?
0
1
3
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numarul grafurilor orientate cu n varfuri este:
2n
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gradul intern pentru nodul cu eticheta i dintr-un graf orientat la care se cunoste matricea de adiacenta este egal cu suma elementelor aflate pe:
linia i
diagonala principala
coloana i
diagonala secundara
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