Miscellaneous On Data Structures - Study Mode

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[#226] What will be the plain text corresponding to cipher text "RVUVMF" if trithemius cipher is used?

(A) RABBIT

(B) RUSSIA

(C) RANGER

(D) FRIEND

Correct Answer

(B) RUSSIA

[#227] Time complexity to find the solution of activity selection problem takes O(n log n) time, when the list is not sorted.

(A) True

(B) False

Correct Answer

(A) True

[#228] A matching that matches all the vertices of a graph is called?

(A) Perfect matching

(B) Cardinality matching

(C) Good matching

(D) Simplex matching

Correct Answer

(A) Perfect matching

[#229] Recursive program to raise an integer x to power y uses which of the following algorithm?

(A) Dynamic programming

(B) Backtracking

(C) Divide and conquer

(D) Greedy algorithm

Correct Answer

(C) Divide and conquer

[#230] Rail fence cipher is more secure than one time pad cipher.

(A) True

(B) False

Correct Answer

(B) False