Lecture 1: Problem Solving 101
It's important to recognize that the entry phase is a vital part of problem solving and should not be overlooked
- What do I know?
Reading the question, Past experience
- What do i Want?
Write the problem in your own words - 목표를 이해하는데 도움을 준다.
Watch out for possible ambiguities - 언어적인 애매함을 주의해라.
- What can I Introduce?
Make a diagram
Write in mathematical notation
- Brute Force
- Clever Strategy
- Check : Make sure your solution actually works.
- Reflect : What were the big realizations?
- Extend : Can we make a formula for n steps?
Patterns can be misleading!
More important than noticing a pattern is understanding why it works.