Big O Algorithmic Efficiency Quiz

What is the main topic discussed in the video?

• Database Management

• Sorting Algorithms

• Data Structures

• Big O Algorithmic Efficiency

In the pigeon story, what was being compared to the internet?

• A car

• A horse

• A drone

• A pigeon

How is the pigeon transfer speed described in Big O notation?

• O(log n)

• O(n)

• O(1)

• O(n^2)

What does O(n) represent in the context of internet transfer time?

• Constant time

• Linear time

• Quadratic time

• Logarithmic time

How would you describe the runtime of a function that checks if an array contains a particular value?

• O(1)

• O(log n)

• O(n)

• O(n^2)

What is the Big O notation for a function that prints all pairs of values in an array?

• O(n^2)

• O(n)

• O(log n)

• O(1)

How can you describe the runtime to mow a square plot of land?

• Both B and C

• O(n)

• O(s^2)

• O(a)

What is the first rule of Big O?

• Drop non-dominant terms

• Use different variables for different inputs

• Add up runtimes of different steps

• Drop constants

If an algorithm has two steps with runtimes O(a) and O(b), how do you describe the total runtime?

• O(a / b)

• O(a - b)

• O(a + b)

• O(a * b)

What is the second rule of Big O?

• Drop constants

• Use different variables for different inputs

• Drop non-dominant terms

• Add up runtimes of different steps