How to Solve Problems
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01. How to Solve Problems
02. Days Between Dates
03. The Problem
04. First Step
05. Understanding a Problem
06. The First Rule
07. What Are the Inputs
08. How Are Inputs Represented
09. What Are the Outputs
10. Obey the Rules
11. Next Step
12. The Expected Output
13. Take the Next Step
14. Try an Example
15. Harder Example
16. Algorithm Pseudocode
17. Should We Implement It
18. Different Approach
19. Simple Mechanical Algorithm
20. Don't Optimize Prematurely
21. What should We Write First
22. Define Simple nextDay
23. Making Progress Is Good
24. What Should We Do Next
25. Define daysBetweenDates
26. Step One Pseudocode
27. Step Two Helper Function
28. Step Three daysBetweenDates
29. Test for Valid Inputs
30. Real World Problem
31. Best Strategy
32. Finish daysBetweenDates
33. Solution Step I
34. Solution Step II
35. Solution Step III
36. Solution Step IV
37. Conclusion
38. Learn More: How to Solve Problems
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02. Days Between Dates
Days Between Dates