Backtracking

1
Backtracking

• CSC 172
• SPRING 2004
• LECTURE 11

2
Reminders

• Project 3 (mastermind) is due before Spring break
  
• Friday, March 5th 5PM
• Computer Science Office 7th floor CSB
• Read Sections 7.7 10.2 (Backtracking)
• Quiz next Tuesday
• Midterm Tuesday 3/2
• Review Session Today 5PM Jon Shor 726 CSB

3
BACKTRACKING

• Backtracking is a recursive strategy to explore
  possible solutions.

4
Design Example

• The N-queens problem
• Given an n-by-n checkerboard place n queens on
  the board in such a way that no two queens are
  mutually attacking each other.
• Issues
• What data structure?
• What algorithm?