P is 25% less efficient than Q. In what ratio should

Which of the following is NOT a greedy algorithm?

Which sorting algorithm divides the array into halves recursively?

Which of the following operations on a data structure refers to the removal of an element from the front of a queue?

The time complexity of searching in a hash table with chaining is:

For which problem is dynamic programming NOT generally an applicable technique because it lacks overlapping subproblems?

Which algorithm finds the shortest paths between all pairs of vertices in a weighted graph?

Which of the following is considered the strongest type of encryption method in modern cyber security practices?      

Consider a directed acyclic graph (DAG). The problem of finding the longest path in a DAG (with edge weights) can be solved in:

In which case is QuickSort’s performance worst?

Which command is used to undo the changes