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Programming in C. Recursion.
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48 votes
4 answers
82
GATE CSE 2000 | Question: 2.16
Let LASTPOST, LASTIN and LASTPRE denote the last vertex visited `in a postorder, inorder and preorder traversal respectively, of a complete binary tree. Which of the following is always true? LASTIN = LASTPOST LASTIN = LASTPRE LASTPRE = LASTPOST None of the above
Let LASTPOST, LASTIN and LASTPRE denote the last vertex visited in a postorder, inorder and preorder traversal respectively, of a complete binary tree. Which of the foll...
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50 votes
9 answers
83
GATE CSE 2014 Set 3 | Question: 12
Consider the following rooted tree with the vertex labeled $P$ as the root: The order in which the nodes are visited during an in-order traversal of the tree is $SQPTRWUV$ $SQPTUWRV$ $SQPTWUVR$ $SQPTRUWV$
Consider the following rooted tree with the vertex labeled $P$ as the root:The order in which the nodes are visited during an in-order traversal of the tree is$SQPTRWUV$$...
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31 votes
4 answers
88
GATE CSE 2005 | Question: 35
How many distinct binary search trees can be created out of $4$ distinct keys? $5$ $14$ $24$ $42$
How many distinct binary search trees can be created out of $4$ distinct keys?$5$$14$$24$$42$
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42 votes
5 answers
89
GATE IT 2008 | Question: 76
A binary tree with $n > 1$ nodes has $n_1$, $n_2$ and $n_3$ nodes of degree one, two and three respec­tively. The degree of a node is defined as the number of its neighbours. $n_3$ can be expressed as $n_1 + n_2 - 1$ $n_1 -2$ $[((n_1 + n_2)/2)]$ $n_2 - 1$
A binary tree with $n 1$ nodes has $n_1$, $n_2$ and $n_3$ nodes of degree one, two and three respec­tively. The degree of a node is defined as the number of its neighbo...
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59 votes
4 answers
91
GATE CSE 2014 Set 2 | Question: 40
Consider the following function. double f(double x){ if( abs(x*x - 3) < 0.01) return x; else return f(x/2 + 1.5/x); } Give a value $q$ (to $2$ decimals) such that $f(q)$ will return $q$:_____.
Consider the following function.double f(double x){ if( abs(x*x - 3) < 0.01) return x; else return f(x/2 + 1.5/x); }Give a value $q$ (to $2$ decimals) such that $f(q)$ wi...
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33 votes
10 answers
94
GATE CSE 2017 Set 1 | Question: 6
Let $T$ be a binary search tree with $15$ nodes. The minimum and maximum possible heights of $T$ are: Note: The height of a tree with a single node is $0$. $4$ and $15$ respectively. $3$ and $14$ respectively. $4$ and $14$ respectively. $3$ and $15$ respectively.
Let $T$ be a binary search tree with $15$ nodes. The minimum and maximum possible heights of $T$ are:Note: The height of a tree with a single node is $0$.$4$ and $15$ res...
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26 votes
4 answers
95
GATE CSE 2007 | Question: 12
The height of a binary tree is the maximum number of edges in any root to leaf path. The maximum number of nodes in a binary tree of height $h$ is: $2^h -1$ $2^{h-1} -1$ $2^{h+1} -1$ $2^{h+1}$
The height of a binary tree is the maximum number of edges in any root to leaf path. The maximum number of nodes in a binary tree of height $h$ is:$2^h -1$$2^{h-1} -1$$2^...
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5 votes
6 answers
96
column major in 3d array
Consider 3 dimensional Array A[90] [30] [40] stored in linear array in column major order. If the base address starts at 10. The location of A[20] [20] [30] is __________ . [Assume the first element is stored at A[1][1][1] and each element take 1 B].
Consider 3 dimensional Array A[90] [30] [40] stored in linear array in column major order. If the base address starts at 10. The location of A[20] [20] [30] is __________...
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29 votes
11 answers
97
GATE CSE 1998 | Question: 2.11
A complete $n$-ary tree is one in which every node has $0$ or $n$ sons. If $x$ is the number of internal nodes of a complete $n$-ary tree, the number of leaves in it is given by $x(n-1) +1$ $xn-1$ $xn +1$ $x(n+1)$
A complete $n$-ary tree is one in which every node has $0$ or $n$ sons. If $x$ is the number of internal nodes of a complete $n$-ary tree, the number of leaves in it is g...
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1 votes
2 answers
98
bubble sort
a machine took 200 sec to sort 200 names using bubble sort . in 800 sec it can approx sort how many names a)400 b)800 c)750 d)850
a machine took 200 sec to sort 200 names using bubble sort . in 800 sec it can approx sort how many namesa)400 b)800 c)750 d)850
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