1
GATE CSE 2003
MCQ (Single Correct Answer)
+1
-0.3
Ram and Shyam have been asked to show that a certain problem Π is NP-complete. Ram shows a polynomial time reduction from the 3-SAT problem to Π, and Shyam shows a polynomial time reduction from Π to 3-SAT. Which of the following can be inferred from these reductions ?
A
Π is NP-hard but not NP-complete
B
Π is in NP, but is not NP-complete
C
Π is NP-complete
D
Π is neither NP-hard, nor in NP
2
GATE CSE 2003
MCQ (Single Correct Answer)
+2
-0.6
What is the weight of a minimum spanning tree of the following graph? GATE CSE 2003 Algorithms - Greedy Method Question 10 English
A
29
B
31
C
38
D
41
3
GATE CSE 2003
MCQ (Single Correct Answer)
+1
-0.3
Assume that the SLR parser for a grammar G has n1 states and the LALR parser for G has n2 states. The relationship between n1 and n2 is
A
n1 is necessarily less than n2
B
n1 is necessarily equal to n2
C
n1 is necessarily greater than n2
D
None of the above
4
GATE CSE 2003
MCQ (Single Correct Answer)
+1
-0.3
In a bottom-up evaluation of a syntax directed definition, inherited attributes can
A
always be evaluated
B
be evaluated only if the definition is L- attributed
C
be evaluated only if the definition has synthesized attributes
D
never be evaluated
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