Data Structure Generating Combinations Online Exam Quiz
Data Structure Generating Combinations GK Quiz. Question and Answers related to Data Structure Generating Combinations. MCQ (Multiple Choice Questions with answers about Data Structure Generating Combinations
What will be the lexicographical order of combinations of 2 elements each formed from the array arr={1,2,3}?
Options
A : {{2,1},{3,2},{3,1}}
B : {{1,2},{2,3},{1,3}}
C : {{1,2},{1,3},{2,3}}
D : {{2,1},{3,1},{3,2}}
How many combinations of 2 elements will be formed from the array arr={1,2,3}?
Options
A : 1
B : 2
C : 3
D : 4
What is meant by the term lexicographical order?
Options
A : dictionary ordering of elements
B : reverse dictionary ordering of elements
C : to sort according to value of first element
D : to sort according to value of last element
What will be the time complexity of the code to print combinations?
Options
A : O(n)
B : O(n2)
C : O(n log n)
D : O(2n)
What will be the auxiliary space requirement (excluding call stack) of the program to print combinations of r elements each from array of size n?
Options
A : O(n*r)
B : O(n/r)
C : O(n)
D : O(r)
The code for printing combinations is in-place.
Options
A : true
B : false
C :
D :
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