[转载] google 21题面试题目(不知有没有贴过)

狗剩

【 以下文字转载自 CS 讨论区 】
【 原文由 hedan 所发表 】

10月底，Google在美国《麻省技术评论》、《LinuxJournal》、《Mensa》、《今
日物理》等几本专业杂志上，刊登了一份“Google实验室能力倾向测试”。
- D' A/ ^  W0 L( q　　试卷开头，蛊惑地写着“试试看！把答案寄回Google，你有希望去Google总部
参观，并成为我们其中一员”。

. N! g9 X6 q2 N% O2 h4 k我看了这些题目，虽然古怪，但是也不算有困难，有兴趣的人可以做完了邮寄给
google公司，也许会得到一个工作机会呢。
4 }8 A3 N' d0 N9 Q6 B' d- p. C& _
& Z3 r  ]2 |: A  `; l注：不要向我要答案。
3 m3 a; ?5 x( T, Q: `4 |/ k
3 {% ^: I6 v( |. u- p* u2 `1. Solve this cryptic equation, realizing of
$ I) Y1 T0 @4 x$ ocourse that values for M and E could be
interchanged. No leading zeros are allowed.
2 s9 H% b" M8 r* b
7 V, D0 P  n: |3 r4 jWWWDOT - GOOGLE = DOTCOM

2. Write a haiku describing possible methods
  K: ~0 U( |# V/ p/ B" Bfor predicting search traffic seasonality.

3.
1
1 \6 k6 l* V2 [1 1
2 1
6 b, i8 J. h) s' C1 2 1 1
7 M4 R9 O4 s2 s: \1 1 1 2 2 1

What is the next line?
6 D& r7 |+ p' d/ \
, \# q( Q; _& f, W4. You are in a maze of twisty little passages,
- t' E2 {) r( R/ y4 v9 ?all alike. There is a dusty laptop here with a
' A- R3 t+ O3 d. I2 |  }weak wireless connection. There are dull,
0 {  e- \6 k# C* q; elifeless gnomes strolling about. What dost
thou do?

A) Wander aimlessly, bumping into
obstacles until you are eaten by a grue.
B) Use the laptop as a digging device to
tunnel to the next level.
$ Z3 C) Y4 v1 s/ T; lC) Play MPoRPG until the battery dies
along with your hopes.
) g( w( d8 P% |7 FD) Use the computer to map the nodes
1 C8 H" ]" ~2 S! sof the maze and discover an exit path.
8 y; o2 I% i; k* xE) Email your resume to Google, tell the
' v, \# x; {1 r, {lead gnome you quit and find yourself
6 _( T3 i4 v! N( A0 ]in whole different world.
, u9 K3 x. T( T: {0 U* i/ a4 a
. Q# z! _7 n8 `# b8 O8 O5. What's broken with Unix?
1 H" m5 Z9 G, {% `) d* B7 g) yHow would you fix it?
/ o# |6 e* D) l$ B- O. {* J
! {: x2 {  I4 s6 D6. On your first day at Google, you discover
that your cubicle mate wrote the textbook
1 E7 W& e) A; hyou used as a primary resource in your first
/ p* v# {" \- ], Ryear of graduate school. Do you:
7 F: ]: _* z2 g0 f
3 ?0 W/ Q0 \2 d+ h; \A) Fawn obsequiously and ask if you
can have an autograph.
B) Sit perfectly still and use only soft
keystrokes to avoid disturbing her
concentration.
C) Leave her daily offerings of granola
0 g' `  `9 b) pand English toffee from the food bins.
/ m) R* x2 A& X) M  [% L
& X) x2 a1 w0 b6 u) eD) Quote your favorite formula from the
3 p9 x: j+ l0 stextbook and explain how it's now
your mantra.
E) Show her how example 17b could
- M( k7 M2 s$ p6 U4 h2 r4 |have been solved with 34 fewer lines
, E" ^/ R8 P, K0 ?% |0 F( Gof code.
7. Which of the following expresses Google□
over-arching philosophy?
( F  o; h' b/ q4 B1 P+ g; s
A) "I'm feeling lucky"
6 w$ i. K' H3 iB) "Don't be evil"
C) "Oh, I already fixed that"
D) "You should never be more than
50 feet from food"
; H# l2 e1 c$ ]* P% F& s3 x4 J, Y% C% ZE) All of the above

: s+ O3 G! A% u% A! S! T% d8. How many different ways can you color an
icosahedron with one of three colors on
& k5 p2 N. l" b9 z+ [each face?

- p5 d- j4 O+ a& D9 S4 nWhat colors would you choose?
, a* r* ?  \0 k( u9 L( p+ g
9. This space left intentionally blank. Please fill it
- I" m/ W$ X5 z! U* c! hwith something that improves upon emptiness.
& N7 U- a* r* @! [2 m' [# w- m8 r# V. ?
$ G% o, ^, g+ l3 B' h10.On an infinite, two-dimensional, rectangular
( O& a6 S5 U  x. k2 |lattice of 1-ohm resistors, what is the
" m9 \" U4 B8 ?& d1 T9 Eresistance between two nodes that are a
* |0 f9 e' Y6 R4 P, [8 Lknight's move away?
, ?& B3 H% K0 ^" @- w8 D
% [# x( Z8 C9 V& X4 R$ @/ m- q11.It's 2 PM on a sunny Sunday afternoon in the
: T1 p& N! ^8 C# U+ LBay Area. You're minutes from the Pacific
Ocean, redwood forest hiking trails and world
class cultural attractions. What do you do?
  b  n1 ]  j: d/ j2 B/ B# V
12.In your opinion, what is the most beautiful
, X/ [. r) X9 f/ L6 Tmath equation ever derived?

13. Which of the following is NOT an actual
interest group formed by Google employees?

A. Women's basketball
B. Buffy fans
C. Cricketeers
D. Nobel winners
" b/ V5 l4 ^  ^; `2 g; ZE. Wine club
3 F+ c9 ^  }% S5 x
14.What will be the next great improvement in
1 K% M+ K# W, @# E4 {8 ]search technology?

8 s9 ?! v5 ~8 S, Y0 a9 u15.What is the optimal size of a project team,
above which additional members do not
7 E" _" R: D) o9 a5 }3 pcontribute productivity equivalent to the
* w( I0 N7 S: {  x# f+ k# C" ?percentage increase in the staff size?
* u! x0 L( n, n' @" GA) 1
( F9 t) z$ z7 L7 j* MB) 3
) m4 C7 X  f! ^  Y) d: RC) 5
D) 11
9 W2 E1 [% m( K+ `6 J$ q' [E) 24
9 I4 }# l, ?% `' D
( v: @, x, S: p) b$ s$ l16.Given a triangle ABC, how would you use only
a compass and straight edge to find a point P
5 ~4 Y: |" ?8 n" j* d) }such that triangles ABP, ACP and BCP have
equal perimeters? (Assume that ABC is
constructed so that a solution does exist.)

17.Consider a function which, for a given whole
number n, returns the number of ones required
9 a7 T! }% r- @' x+ X* N( Twhen writing out all numbers between 0 and n.
For example, f(13)=6. Notice that f(1)=1. What
is the next largest n such that f(n)=n?

18.What's the coolest hack you've ever written?
  D; y* s( l$ h" m' Y" l8 |, O
19.'Tis known in refined company, that choosing
K things out of N can be done in ways as
many as choosing N minus K from N: I pick K,
you the remaining.
6 n' ~- X8 b; v) |
, B/ x6 @' j! M: |Find though a cooler bijection, where you show
a knack uncanny, of making your choices contain
& X* P) e0 H0 r$ n" sall K of mine. Oh, for pedantry: let K be no more
- R, h3 G) i3 i) a: s7 rthan half N.

20.What number comes next in the sequence:
, X, r. [) k' o; i+ O  Q8 M10, 9, 60, 90, 70, 66,?

A)96
B) 1000000000000000000000000000000000
  {0 J, i( i3 l$ Z9 E0000000000000000000000000000000000
000000000000000000000000000000000
0 \, D3 |! f( IC) Either of the above
9 a* _. |, F: RD) None of the above
9 f' I1 u' K2 p
21.In 29 words or fewer, describe what you
  N1 D- V; q. N/ Rwould strive to accomplish if you worked
0 w4 o$ x; b) tat Google Labs.