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Recent questions tagged userisi2018
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ISI 2018 PCB C5
Consider a maxheap of n distinct integers, n ≥ 4, stored in an array A[1 . . . n]. The second minimum of A is the integer that is less than all integers in A except the minimum of A. Find all possible array indices of A in which the second minimum can occur. Justify your answer.
asked
May 2
in
Algorithms
by
N
(
449
points)

55
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userisi2018
usermod
algorithms
heap
binaryheap
+1
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2
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2
ISI 2018 PCB C4
Let the valid moves along a staircase be U (one step up) and D (one step down). For example, the string s = UUDU represents the sequence of moves as two steps up, then one step down, and then again one step up. Suppose a person is initially at the base ... base of the staircase after the final step. (a) Show that L is not regular. (b) Write a context free grammar for accepting L.
asked
May 2
in
Theory of Computation
by
N
(
449
points)

77
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theoryofcomputation
userisi2018
usermod
+1
vote
2
answers
3
ISIMTECHCSE2018
One needs to choose six real numbers $x_1,x_2,....,x_6$ such that the product of any five of them is equal to other number. The number of such choices is $3$ $33$ $63$ $93$
asked
May 20, 2018
in
Combinatory
by
jjayantamahata
Active
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1.5k
points)

590
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userisi2018
usermod
numbersystem
permutationandcombination
0
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0
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4
ISI 2018 MMA 1
The number of common terms in the two sequence (3,7,11,...,407} and {2,9,16,...,70} is A)13 B)14 C)15 D)16
asked
May 14, 2018
in
Combinatory
by
Tesla!
Boss
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18.3k
points)

182
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userisi2018
usermod
sequenceseries
0
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1
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5
ISI 2018 PCB A4
Let A and B be two nonempty finite subsets of ℤ, the set of all integers. Define A + B = { a + b : a ϵ A, b ϵ B }. Prove that  A + B  ≥  A  +  B   1, where  S  denotes the cardinality of a finite set S.
asked
May 14, 2018
in
Set Theory & Algebra
by
tathatj
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77
points)

120
views
settheory&algebra
userisi2018
usermod
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