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Complexity Questions

NA
SHSTTON
272
Solv. Corr.
307
Solv. In. Corr.
579
Attempted
0 M:11 S
Avg. Time

1 / 48

Choose the correct option.

The complexity of searching an element from a set of n elements using Binary search algorithm is


AO(n)

BO(log n)

CO(n^2)

DO(n log n)

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
562
Solv. Corr.
103
Solv. In. Corr.
665
Attempted
0 M:7 S
Avg. Time

2 / 48

Choose the correct option.

Two main measures for the efficiency of an algorithm are


ATime and space

BProcessor and memory

CComplexity and capacity

DData and space

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
335
Solv. Corr.
475
Solv. In. Corr.
810
Attempted
0 M:41 S
Avg. Time

3 / 48

Choose the correct option.

If the array is already sorted, then the running time for merge sort is: ?


AO(1)

BO(n*log n)

CO(n)

DO(n^2)

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
275
Solv. Corr.
324
Solv. In. Corr.
599
Attempted
0 M:14 S
Avg. Time

4 / 48

Choose the correct option.

Which is the best data structure for round robin algorithm for CPU scheduling?


AStack implemented using queues

BDoubly linked list

CCircular queue

DQueue implemented using stacks

Answer: Option C

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
291
Solv. Corr.
493
Solv. In. Corr.
784
Attempted
0 M:0 S
Avg. Time

5 / 48

Choose the correct option.

Which algorithm is having highest space complexity?


ABubble sort

BInsertion Sort

CQuick Sort

DMerge Sort

Answer: Option D

Explanation:

D

Workspace

NA
SHSTTON
255
Solv. Corr.
432
Solv. In. Corr.
687
Attempted
0 M:28 S
Avg. Time

6 / 48

Choose the correct option.

quicksort algorithm is used to sort an array of N elements. If all the N values w
complexity of quicksort that uses first element as the pivot. ?


AO(N*N)

BO(1)

CO(N)

DO(N log N)

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
296
Solv. Corr.
464
Solv. In. Corr.
760
Attempted
0 M:19 S
Avg. Time

7 / 48

Choose the correct option.

Algorithms A and B solve the same problem. Time complexity of A is in O(n^2) and that of B is in O(n). Which among the following can you guarantee?


AA is having less executable instructions than B

BA is having more number of functions than B

CA is having less number of functions than B

DA is having more executable instructions than B

Answer: Option D

Explanation:

B

Workspace

NA
SHSTTON
502
Solv. Corr.
228
Solv. In. Corr.
730
Attempted
0 M:14 S
Avg. Time

8 / 48

Choose the correct option.

The complexity of merge sort algorithm is


AO(n)

BO(log n)

CO(n2)

DO(n log n)

Answer: Option D

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
493
Solv. Corr.
176
Solv. In. Corr.
669
Attempted
0 M:27 S
Avg. Time

9 / 48

Choose the correct option.

The complexity of linear search algorithm is


AO(n)

BO(log n)

CO(n2)

DO(n log n)

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
261
Solv. Corr.
273
Solv. In. Corr.
534
Attempted
0 M:0 S
Avg. Time

10 / 48

Choose the correct option.

The complexity of Binary search algorithm is


AO(n)

BO(log )

CO(n2)

DO(n log n)

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

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