
Grafuri orientate
Authored by GIUGLEA LAURA
Computers
11th Grade
Used 28+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este numărul minim de arce ce trebuie adăugate în graful orientat din figura de mai jos astfel încât fiecare vârf să aparţină unui circuit?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Se consideră graful orientat cu vârfurile numerotate cu numere distincte 1, 2, 3, … . Graful este reprezentat printr-o matrice de adiacenţă A. Sumei valorilor de pe o linie oarecare x a matricei A reprezinta gradul exterior al varfului x.
Adevarat
Fals
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Fie graful orientat cu 7 vârfuri, numerotate de la 1 la 7, şi arcele (1,2), (2,3), (3,1), (4,5), (5,6), (5,7), (6,7), (7,4). Care este numărul minim de arce ce ar trebui eliminate pentru ca graful parţial obţinut să nu mai conţină circuite?
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Ce notiuni dintre cele de mai jos se intalnesc in teoria grafurilor orientate?
grad interior
grad exterior
muchie
arc
circuit
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se consideră graful orientat definit prin mulţimea vârfurilor {1,2,3,4,5,6} şi arcele (1,2), (1,6), (1,5), (2,3), (3,6), (4,1), (6,4).
Vârful accesibil din toate celelalte vârfuri ale grafului prin intermediul unor drumuri elementare este 4?
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următoarele propoziţii NU este adevărată pentru graful orientat cu 6 vârfuri, numerotate de la 1 la 6 şi ale cărui arce sunt: (2,1), (3,6), (4,1), (4,3), (4,5), (5,2), (6,4)?
vârful numerotat cu 6 aparţine unui circuit
vârful numerotat cu 1 are gradul extern 0
gradul intern al vârfului numerotat cu 4 este 1
graful nu are circuite
7.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Fie graful orientat cu 6 vârfuri, numerotate de la 1 la 6, şi arcele (1,2), (2,3), (3,1), (4,5), (5,6), (3,5). Care este numărul minim de arce ce trebuie adăugate pentru ca toate vârfurile să aibă gradul interior egal cu gradul exterior?
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