Algorithms and Data Structures · Junior · Question 20 of 75
What does a queue guarantee?
- 1The last added element is removed first
- ✓Correct answer: The first added element is removed first
- 3The smallest element is removed first
Explanation
A queue is FIFO: elements leave in the order they arrived, like people in a line. "The smallest first" describes a priority queue, which is a different structure.