On Mon, Feb 18, 2013 at 12:13 PM, John Immarino <joh...@gmail.com> wrote: > I coded a Python solution for Problem #14 on the Project Euler website. I was > very surprised to find that it took 107 sec. to run even though it's a pretty > simple program. I also coded an equivalent solution for the problem in the > old MSDOS basic. (That's the 16 bit app of 1980s vintage.) It ran in 56 sec. > Is there a flaw in my coding, or is Python really this slow in this > particular application. MSDOS Basic usually runs at a snails pace compared to > Python.
Well, I don't see anything that looks especially slow in that code, but the algorithm that you're using is not very efficient. I rewrote it using dynamic programming (details left as an exercise), which got the runtime down to about 4 seconds. -- http://mail.python.org/mailman/listinfo/python-list
