Python 3.3 vs. MSDOS Basic
Ian Kelly
ian.g.kelly at gmail.com
Mon Feb 18 16:54:24 EST 2013
On Mon, Feb 18, 2013 at 12:13 PM, John Immarino <johimm at 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.
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