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Answers by Abhineet Singh

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GATE CSE 2020 | Question: 32
Consider the following languages. $\begin{array}{ll} L_1= \{ wxyx \mid w,x,y \in (0+1)^{+} \} \\ L_2= \{xy \mid x,y \in (a+b)^{*}, \mid x \mid=\mid y \mid, x \neq y \} \end{array}$ ... context- free but not regular and $L_2$ is context-free. Neither $L_1$ nor $L_2$ is context- free. $L_1$ context- free but $L_2$ is not context-free.

answered in Theory of Computation Dec 15, 2020

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GATE CSE 2007 | Question: 43
A complete $n-ary$ tree is a tree in which each node has $n$ children or no children. Let $I$ be the number of internal nodes and $L$ be the number of leaves in a complete $n-ary$ tree. If $L = 41$ and $I = 10$, what is the value of $n$? $3$ $4$ $5$ $6$

answered in DS Nov 16, 2020

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GATE CSE 2016 Set 1 | Question: 39
Let $G$ be a complete undirected graph on $4$ vertices, having $6$ edges with weights being $1, 2, 3, 4, 5,$ and $6$. The maximum possible weight that a minimum weight spanning tree of $G$ can have is __________

answered in Algorithms Nov 13, 2020

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