[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 】
8 @+ S- u& s/ H. Z  q& }【 原文由 hedan 所发表 】

10月底，Google在美国《麻省技术评论》、《LinuxJournal》、《Mensa》、《今
+ M( J, \0 A( F) A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”。
　　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
: T4 R1 X) W' t. a参观，并成为我们其中一员”。
7 `- a4 P/ X- T# x
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
9 V; C8 ^1 Z3 Z9 |/ t, E3 xgoogle公司，也许会得到一个工作机会呢。

注：不要向我要答案。

1. Solve this cryptic equation, realizing of
course that values for M and E could be
$ {. F/ t9 b! z( F6 T$ r' t9 f) [, winterchanged. No leading zeros are allowed.
2 U8 w7 Y( c! \( d) @+ B0 }/ n; r
5 ?4 }( d% [2 F) z/ m' UWWWDOT - GOOGLE = DOTCOM
" z3 A: q% t1 G+ y, [1 w0 O8 A
2. Write a haiku describing possible methods
for predicting search traffic seasonality.
+ k( d. f. T+ ~; }" a! W* {3 U5 k
* f; B1 S1 r" K- b3.
1 }, _* m) X, C8 r" }1
1 1
2 1
1 2 1 1
1 1 1 2 2 1

4 k5 V6 t* I7 G% T% o, kWhat is the next line?

4. You are in a maze of twisty little passages,
6 R8 p/ a* ~' W1 u' Qall alike. There is a dusty laptop here with a
weak wireless connection. There are dull,
lifeless gnomes strolling about. What dost
) Y5 a4 x) [5 i3 `( W0 F8 H5 xthou do?

# }3 \0 C3 L- j) kA) 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.
0 M* I+ N( G+ p0 L$ S4 e* v2 bC) Play MPoRPG until the battery dies
along with your hopes.
2 x9 t% d- H1 Q4 A) u& ]D) Use the computer to map the nodes
3 t1 A8 h: y$ a4 C  tof the maze and discover an exit path.
9 p/ u4 h& x/ U5 l0 w3 TE) Email your resume to Google, tell the
lead gnome you quit and find yourself
0 k1 H' G8 C5 Iin whole different world.
" l2 z" c1 J) D) @, Z
5. What's broken with Unix?
How would you fix it?
- E- u& ^6 E+ F. L; z  F6 w
6. On your first day at Google, you discover
& g; x6 N! p  Jthat your cubicle mate wrote the textbook
you used as a primary resource in your first
year of graduate school. Do you:
: e5 U. \+ F9 w$ V
. p* L" @( U! D" l7 O  ^" I$ OA) 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
and English toffee from the food bins.
2 j4 T1 ?4 J3 D
D) Quote your favorite formula from the
textbook and explain how it's now
/ j/ {, H+ [5 |2 Z- G7 byour mantra.
E) Show her how example 17b could
have been solved with 34 fewer lines
of code.
7. Which of the following expresses Google□
over-arching philosophy?
- Y* G/ g6 v5 _) i: x, J0 L
5 J1 i' t+ {& y) N! {1 N0 I* l8 iA) "I'm feeling lucky"
8 s8 L% t+ e( w  D) _B) "Don't be evil"
! z4 R- v2 D+ u+ }2 c: DC) "Oh, I already fixed that"
# M) M2 _, |9 KD) "You should never be more than
50 feet from food"
E) All of the above

8. How many different ways can you color an
  K  m4 u/ a2 a/ e- ^$ q/ yicosahedron with one of three colors on
each face?
# D9 W$ Z) A. R7 c' v
! B8 }- @2 R! cWhat colors would you choose?

9. This space left intentionally blank. Please fill it
' T% ~" c+ _1 Y) swith something that improves upon emptiness.
6 C7 @. b3 C+ C. R# H
10.On an infinite, two-dimensional, rectangular
% L& ^+ m$ o  v. t, zlattice of 1-ohm resistors, what is the
resistance between two nodes that are a
knight's move away?

11.It's 2 PM on a sunny Sunday afternoon in the
$ X4 t& C7 V) Z# L0 K* h1 K" bBay Area. You're minutes from the Pacific
& p& X; h/ }8 c  K) u# m" rOcean, redwood forest hiking trails and world
. F( w8 W& F0 G+ |: p) vclass cultural attractions. What do you do?

8 [2 F7 b7 j0 i" ]" _12.In your opinion, what is the most beautiful
math equation ever derived?

/ \0 L1 a& R5 N9 J+ o. x/ w13. Which of the following is NOT an actual
interest group formed by Google employees?
! v" b* d& u+ ?* p6 v$ R# M* X
; k8 T& O! Z, x" `A. Women's basketball
B. Buffy fans
C. Cricketeers
D. Nobel winners
( s2 N1 ?+ O8 O, M; H; I1 N  ~E. Wine club
, ~. F2 X4 M" M- h: T+ i) n1 [  S
0 ^) c6 U( ]3 }# s8 Q14.What will be the next great improvement in
search technology?

15.What is the optimal size of a project team,
% `. `% P: M# m2 ?$ q2 Eabove which additional members do not
6 A: E+ c$ a  ^2 ocontribute productivity equivalent to the
* T" I6 i" C7 D/ ?+ }percentage increase in the staff size?
A) 1
B) 3
1 }7 v1 `( @0 u$ gC) 5
D) 11
. u: A, Z' t% D7 A' R9 z! gE) 24
- {) Q7 v& E  A; R# C! [2 K7 m
, E9 b4 R( A/ r, l1 w- A16.Given a triangle ABC, how would you use only
$ \$ G6 ]8 P3 K5 [a compass and straight edge to find a point P
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
when writing out all numbers between 0 and n.
5 W% b  ~  W6 S$ m0 nFor example, f(13)=6. Notice that f(1)=1. What
! ^8 H: p. i' Y  I6 _is the next largest n such that f(n)=n?
/ o. T- P- l, i( @, _" A0 s+ L5 b
' ~. z: q$ b7 d+ U9 E! a18.What's the coolest hack you've ever written?
% N# ]$ r. y6 K! ^+ x( P
! ?9 ], p$ t4 E- T; d4 P' r19.'Tis known in refined company, that choosing
: p7 g, g$ s4 n, qK things out of N can be done in ways as
many as choosing N minus K from N: I pick K,
you the remaining.
. ~) u0 k: a; w, {
. I% l6 Y8 ~) wFind though a cooler bijection, where you show
a knack uncanny, of making your choices contain
all K of mine. Oh, for pedantry: let K be no more
  g" q& I$ }* f5 ~' o4 {1 wthan half N.

20.What number comes next in the sequence:
10, 9, 60, 90, 70, 66,?

4 |, [5 [# s9 J( ?: WA)96
B) 1000000000000000000000000000000000
' i: T0 e: t% H8 b0000000000000000000000000000000000
000000000000000000000000000000000
) J4 q) i& X& I2 W  Z5 S+ bC) Either of the above
D) None of the above

0 L  E7 T% R+ `5 |- X21.In 29 words or fewer, describe what you
* n- R4 z5 x  y0 |4 Q& Awould strive to accomplish if you worked
at Google Labs.