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Project Euler Solutions

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By Mike Molony ⋅ September 2, 2014 ⋅ Post a comment

Find a minimum path sum in a matrix from the top left to the bottom right corners by moving up, down, left or right.

By Mike Molony ⋅ July 17, 2011 ⋅ One comment

In the game, Monopoly, find the three most popular squares when using two 4-sided dice.

By Mike Molony ⋅ March 27, 2009 ⋅ One comment

Investigating the number of rectangles in a rectangular grid.

By Mike Molony ⋅ January 14, 2011 ⋅ 3 comments

Exploring the shortest path from one corner of a cuboid to another.

By Mike Molony ⋅ July 16, 2011 ⋅ 2 comments

Investigating numbers that can be expressed as the sum of a prime square, cube, and fourth power.

By Mike Molony ⋅ December 12, 2012 ⋅ 4 comments

Minimal product-sum numbers

By Mike Molony ⋅ March 30, 2009 ⋅ Post a comment

Calculate characters saved by expressing Roman numerals in minimal form.

An unexpected way of using two cubes to make a square.

By Mike Molony ⋅ December 15, 2013 ⋅ Post a comment

Right triangles with integer coordinates

By Mike Molony ⋅ July 19, 2011 ⋅ 11 comments

Investigating a square digits number chain with a surprising property.

If you don't build your dream, someone will hire you to build theirs.