Google Recruiting Board

aline.py

next(e[i:10+i] for e, p in [[str((lambda a, l: 10**400 * sum(l) / a)(*(lambda a, l: [a, [a / i for i in l]])(*(lambda l: [reduce(lambda x, y: x*y, l), l])([(lambda f, x: f(f, x))(lambda r, y: y * r(r, y-1) if y > 1 else 1, i) for i in range(200)])))), reduce(lambda ps, t: ps + [t] if all(t % p for p in ps) else ps, [[], 2] + range(3, 100000, 2))]] for i in range(len(e)-9) if all(int(e[i:10+i]) % q for q in p))

bookmark.md

Google Recruiting Board

see http://googleblog.blogspot.com/2004/07/warning-we-brake-for-number-theory.html.

code.py

next(e[i:10+i] for e, p in [[
        str((lambda a, l: 10**400 * sum(l) / a)(*
            (lambda a, l: [a, [a / i for i in l]])(*
                (lambda l: [reduce(lambda x, y: x*y, l), l])(
                    [(lambda f, x: f(f, x))(
                           lambda r, y: y * r(r, y-1) if y > 1 else 1, i)
                        for i in range(200)])))),
        reduce(
            lambda ps, t: ps + [t] if all(t % p for p in ps) else ps,
            [[], 2] + range(3, 100000, 2))]]
    for i in range(len(e)-9)
        if all(int(e[i:10+i]) % q for q in p))

LICENSE.txt

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2012 Nattawut Phetmak <http://about.me/neizod>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

package.json

{
  "name": "google_recruiting",

  "description": "find prime in the decimal of e number.",

  "keywords": [
    "prime",
    "e",
    "decimal"
  ]
}

test.py

print next(e[i:10+i] for e, p in [[str((lambda a, l: 10**400 * sum(l) / a)(*(lambda a, l: [a, [a / i for i in l]])(*(lambda l: [reduce(lambda x, y: x*y, l), l])([(lambda f, x: f(f, x))(lambda r, y: y * r(r, y-1) if y > 1 else 1, i) for i in range(200)])))), reduce(lambda ps, t: ps + [t] if all(t % p for p in ps) else ps, [[], 2] + range(3, 100000, 2))]] for i in range(len(e)-9) if all(int(e[i:10+i]) % q for q in p))

# expected value is:
#   7427466391