#### Friday, October 22nd, 2010

## Project Euler Problems #18, #19, #20 and #67

Problem #18, find the greatest sum of numbers along a path in a triangle of numbers, looks like a standard tree search problem. However, there’s a note at the bottom stating a brute force method won’t work for a harder/bigger version in problem #67. So I decided to skip the exercise of writing the tree […]