GRE Subject Tests
Computer Science explores the principles and applications of computing, programming, and information technology.
Advanced Topics
Algorithms and Problem-Solving
Unlocking the Power of Algorithms
An algorithm is a precise recipe or set of steps to solve a problem. In computer science, algorithms help computers make decisions and process information quickly.
Why Are Algorithms Important?
Algorithms make tasks like searching, sorting, and calculating possible in a flash. Without them, computers wouldn't know how to solve problems.
Famous Algorithms
- Sorting: Arranging a list of names in alphabetical order.
- Searching: Finding a contact in your phone book.
Real-World Applications
Algorithms are the magic behind search engines, navigation apps, and even social media feeds!
Key Formula
\[T(n) = O(n \log n)\]
Examples
Sorting library books by title using a computer system.
Finding the quickest driving route with a GPS app.
In a Nutshell
Algorithms are step-by-step instructions that solve problems efficiently.