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The Old techInterview Forum
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THIS DISCUSSION GROUP IS MOVING!
Joel Spolsky (Fog Creek)
(0 comments)
Allocating array of strings
Viren Sagar
(0)
hourse race
tanuj saxena
(3)
food for thought puzzle
Abyss
(3)
matchsticks puzzle
Abyss
(9)
cars on road - solution ???
Abyss
(3)
How Many Questions You Need to Find a Number?
Dmitri Papichev
(17)
linked list
Deepak Pant
(7)
Cake Cutting
Deepak pant(STM)
(6)
More probability
Deepak pant(STM)
(9)
A probability Mess
Deepak pant(STM)
(1)
Pick a number...
WanFactory
(9)
Another Weighing Problem
saai ananth S.S.
(7)
One Question About Four Stones
Dmitri Papichev
(5)
Rope !! (solve it)
Deepak Pant
(4)
Nice new website for great interview questions
John Gray
(5)
PROVE THIS IF U CAN
Abyss
(2)
A new switches puzzle
BradC
(5)
gg
carlo bozotti
(0)
One Question About Three Tokens
Dmitri Papichev
(4)
Crash Engines
Dmitri Papichev
(10)
Vienna
Sean Pirie
(0)
fuse on fire: variation
Christoph Sommer
(2)
chameleons question (any ideas???)
Howard Chu
(3)
c language
krishnaprasath
(2)
ant
kiran reddy
(5)
triple underline
Ted Harvey
(1)
carom and 4 coins
Pooja
(8)
Fake Gold Coins
Jean du Plessis
(2)
6 + 4 =9 how is it possible
vivek
(14)
Maximum Sub array problem
Biswajit Paul
(7)
XOR using NAND gates
Raj
(3)
boys and girls
Chris Harris
(7)
cars on the road
AlphaBeta
(1)
Oil Mogul
WanFactory
(2)
switches puzzle
AC
(26)
Is Java safe
Jason Thomas
(3)
crazy guy on airplane
Adam Vinueza
(6)
even harder coin problem
Panagiotis
(8)
chinese emperor
Panagiotis
(1)
classic weighing
Panagiotis Apostolopoulos
(2)
Shapes
Panagiotis Apostolopoulos
(0)
reverse a string - word by word
Frederic Merizen
(3)
Rubik's Cube
The Oracle
(8)
technical riddle
Charles Lin
(4)
Railroad Bridge
Jason
(1)
Three "don't knows" makes a "do know"
Jason Robbins
(5)
Do you really know what you know?
Jason Robbins
(16)
.Net interview question: dynamic enumerations
DK :)
(2)
Longest Monotone Subsequence
Kartik Agaram
(5)
Pennies
Joe Fordham
(20)
Noodles
mark jones
(1)
King for a week
John
(1)
flipping coins
John
(5)
comments on atoi() solution
Michael Davidson
(0)
2 x 2
Dmitri Papichev
(10)
coin on a table
WanFactory
(5)
Coins in a box
John
(2)
Random sampling
John
(3)
card trick without the trick
Daniel Kim
(2)
Russian Roulette
james
(9)
Monty Hall Problem - not necessarily 2/3
Saar Wilf
(6)
memmove() implementation.
Srirang Bhushan
(8)
int atoi( char* pStr )
Srirang Bhushan
(3)
Four Ships in the Ocean
Dmitri Papichev
(21)
fit the numbers 1-25
Vivek Gupta
(1)
Reverse strings/words and i18n
Allen Hadden
(13)
Pirates fails to give one important clue
Dejay Clayton
(3)
Average salary solution
Terje Mathisen
(4)
Escaping the field: Man vs. God
Dmitri Papichev
(37)
Will you change to the other door??
Dennis Chow (from Hong Kong)
(18)
bumblebee
Ning
(4)
duel
Carl Witthoft
(1)
bad king
Nil
(1)
Cube Calendar
Mike S
(1)
cube
Pushkar Awasthi
(1)
simple puzzle .. need answer
Rinken Patel
(6)
calendar cubes
Will Smith
(4)
triangle puzzle
Charles Taylor
(2)
orbs solution
Tamas Hauer
(4)
Solution to "x implies y"
C.Speirs
(0)
Better Solution to "Wanna Play?"
C.Speirs
(0)
even harder coin problem
Tamas Hauer
(9)
Well, Humans are more imp than Dogs. Aren't they?
Muhammad Shoaib
(0)
red marble, blue marble
Art Corcoran
(0)
100! even easier
anonymous
(5)
XOR using NAND gates
Fredrik Olsson
(4)
Card trick without a trick
Fredrik Olsson
(2)
chinese emperor partial solution
Tom
(4)
Even greedier solution to 63. pirates
Joakim Rosqvist
(3)
screwy pirates solution incorrect
Tom
(4)
Coin weight problem
ICSH
(6)
Sum it up solution
Tom Hopkins
(2)
doughboy magic
Herb Peyerl
(2)
fog creek programmers
Kostya
(5)
Railroad Bridge
M
(6)
chameleons
Sajid Umerji
(10)
cars on the road
Sajid Umerji
(3)
Crazy guy on the plane
andrew
(1)
crazy guy on a plane
shailesh nirgudkar
(4)
switches solution?
Pan Walker
(12)
Eggs problem
Levente Mészáros
(6)
Card Trick
Levente Mészáros
(1)
boys and girls
Levente Mészáros
(4)
technical riddles
Negruseri Cosmin
(0)
Microsoft PM interview
Lily
(2)
100!
Greg Dyke
(1)
Solution for Bumblebee puzzle Incorrect
Ajayshanker Krishnamurthy
(3)
Palindrome
Maria
(7)
Interview puzzles
Lee
(6)
The 99 percent Accurate AIDS Test
Christian Kamel
(19)
in place string reversal
john oliver
(22)
Fuse on fire: Bogus solution?
Oliver Klozoff
(6)
Funny story about bumblebee puzzle
Avrom Roy-Faderman
(7)
Quickie Coin Probability Puzzle
Michael Josephson
(11)
really tough
mrk
(5)
painfully easy
Jonathan Davisson
(7)
railroad bridge
shiv reddy
(3)
Painfully Easy: Solution not correct
Sarah M
(1)
Boys and Girls: Solution not quite right
Avrom Roy-Faderman
(2)
Solution: Chinese emperor
Avrom Roy-Faderman
(4)
Treasure Island Revisited, or why to use algebra
Alec Campbell
(0)
Unusual Logic Puzzle
Avrom Roy-Faderman
(10)
comma delimited sproc?
PopCulture
(1)
atoi right to left method solution problem
Stanley Wang
(0)
atoi
Arti
(1)
Schoolkids and Snow
Dmitri Papichev
(16)
function definition
Stefaan R. M. Meeuws
(3)
even harder coin problem
Krish
(18)
6 F on a C
amy beusse
(1)
number of license plate combinations, occurence
Stefaan R. M. Meeuws
(10)
winner
subhash negi
(4)
Job Trends
Mike Pimlin
(1)
Hello
lambros Klouvidakis
(4)
Lets try explaining
C Karthik
(5)
The Bad King Part II
Tim Hsu
(1)
flipping coins
Kunal Kunde
(3)
Fini
Dutch Boyd
(2)
Friendly Pirates
Ham Fisted
(3)
What's the Difference?
Ham Fisted
(12)
pennies
stevearino
(5)
classic weighing for grandma :)
Chuck Boyer
(0)
crazy guy on the airplane
Chuck Boyer
(49)
chameleons
Chuck Boyer
(2)
Daughters
tOM Trottier
(0)
cars on the road
Chuck Boyer
(1)
The Orbs solution is Incomplete
Rui Martins
(2)
Mensa Challenge
james
(23)
sum it up
Nikita Shamgunov
(0)
Linked List
Sergey N. Sokolov
(2)
Switches Puzzle
EE/ CS Guy
(20)
x implies y
Alex Joneth
(3)
Trailing zeros
Aditya K. Prasad
(0)
Solution: Fogcreek programmers
Mohammed Saiyad
(14)
XOR gate using NAND gates
Tamas Kovacs
(5)
boys and girls
Mitesh Vasa
(3)
technical riddles - further exploration
Stefan
(7)
Ants on a triangle
Max
(3)
assassin problem
Owen Borseth
(4)
Railroad Bridge question...
Sook
(3)
painfully easy
michele
(20)
Coin on the table
Longbo Yu
(2)
Vienna
Franz
(3)
Reverse a string
MPerico
(8)
Nuggets - incorrect solution?
Kelsey Foley
(3)
switches puzzle
eliza s
(26)
Mensa quiz
Brad Corbin
(58)
overflow
hd
(1)
A gentle rain....
Budd
(3)
A tragic one
Thomas
(0)
even harder coin problem - solution
Ritesh and Saurabh
(5)
Find if the given number is a power of 2
Nick Mason
(4)
surgeon question
Mark Wotton
(1)
chameleons
Ratan
(11)
tests
don
(0)
Folding paper, again
Ham Fisted
(3)
Tree To Doubly Linklist
BondofUK
(3)
Earth To Moon
BondofUK
(8)
How many cubes touch the face?
Seth Morabito
(3)
crazy guy on airplane
Apurva Sinha
(8)
chinese emperor
cyw
(4)
Can you...
George Illes
(6)
Hungry Elephant
BondOfUK
(7)
Find a deque length
Tim Isaev
(12)
Funny card game
Ham Fisted
(0)
daughter`s age
Arjun M M
(2)
Put 451 files (2.82 GB) on as few CDs as pos
Stefaan R. M. Meeuws
(4)
boys and girls puzzle
Ajoy Bhatia
(10)
technical riddles
kms
(2)
railroad bridge
kms
(8)
5 Input NAND
David
(2)
Infinite Sphere
Norman
(6)
100 factorial solution
Jonno
(5)
multiple solutions to the original pirates problem
Ashwin Bhagavatula
(2)
Chameleons
Anshul Sawant
(4)
PENNIES, Monday, May 14, 2001
Phatib
(4)
wanna play? improved solution
Jonathan Amsterdam
(0)
Painfully easy solution is wrong
J
(10)
New switches puzzle
Hankel O'Fung
(5)
XOR using NAND gates
Anthony Mills
(4)
duel - a simpler solution
Hankel O'Fung
(0)
"sum it up" -- solution is wrong
Tim
(1)
cars on the road
rms
(3)
solution: hard river crossing (improved)
Deepti
(3)
How would you move Mt.Fuji ?
Satoshi MOCHIZUKI
(0)
x implies y - solutions
jtheory
(2)
pirates revisited
Oleksiy Kolisnychenko
(2)
Testing a toaster.
Tim
(3)
Monty Hall solution flawed?
R Jeppesen
(13)
a classic
Stefaan R. M. Meeuws
(5)
solution to atoi problem by michael
Varun Shastri
(1)
puzzle with bulbs!
vijayakumar b
(6)
Found a source for magic circles
Stefaan R. M. Meeuws
(1)
crazy guy on the airplane
yong
(23)
100 doors in a Row - solution incomplete?
Shekar
(1)
railroad bridge
dm
(1)
Warden and Prisnors Puzzle | Solution
Saurabh and Nidhi
(10)
Is the glass half-empty, or half-full?
Stefaan R. M. Meeuws
(11)
How many people?
John
(3)
two wrongs make a right
mohit sadani
(8)
Two Buckets
Stefaan R. M. Meeuws
(9)
Author Seeks Brainteasers and Anecdotes
John Kador
(0)
boys and girls -- simpler solution
Bill Hees
(0)
daughter's ages
Anonymous
(3)
Fuse on fire
vk
(5)
English Word
Jen Wlly
(1)
Card Conundrum
Pete
(1)
On average?
Pete
(5)
Undergraduate math problem
James kloberdance
(5)
can anyone solve this coin problem?
James kloberdance
(12)
The answer to "Painfully Easy" is false--but why?
Ham Fisted
(26)
cars on the road
James Kloberdance
(9)
"technical riddles"
neal
(0)
Sum it on
Adel
(2)
red marbles, blue marbles
Paul Jensen
(0)
XOR using NAND gates
Ben Brinckerhoff
(1)
Treasure island
Rama
(0)
Formula for Money
Stefaan R. M. Meeuws
(1)
Waiting for the bus
Peter Meilstrup
(9)
dropping orbs (answer)
Siddhant Bhansali
(0)
painfully easy (answer)
Siddhant Bhansali
(9)
XOR using NAND (solution)
Bill Stratford
(2)
shapes
hithere
(0)
Monty Hall Problem - Solution is false
T.J.
(9)
Chinese Emperor
Lars
(1)
23 Prisoners !!
asita anche
(20)
Heaven
Lars
(2)
chameleons
victim
(9)
The hardest logic puzzle ever...
S.C.
(2)
Russian roulette
Lenko Donchev
(13)
chameleons -- solution
Dmitri Krylov
(1)
crazy guy on the airplane, yet a simpler solution
Dmitri Krylov
(5)
classic weighing
Markus Franke
(1)
2 numbers
Peter
(16)
vienna
Pete Hotchkiss
(0)
Calendar Cubes
Mike Faynberg
(0)
More Hat Puzzles
Mike Faynberg
(2)
Railroad Puzzle
John Guz
(3)
Last ball -- just a small comment
Dmitri Krylov
(0)
Present problems, not puzzles.
i hate puzzles in interviews
(1)
X implies Y
Hadi Mohammed
(2)
railroad bridge
Rami Tomer
(4)
Three computers
Dmitri Papichev
(7)
1000 Bottles of wine
Steve B.
(1)
Different Colored cube
Aharon Tam
(0)
flipping coins
Velant Guy
(1)
orb
Velant Guy
(1)
Pennies - challenge
Aharon Tam
(1)
World Series
pdq
(2)
3 boxes
Peter
(26)
Books on the shelf
Steve B.
(5)
Painted Cube
Ben Berck
(2)
Fuse on fire
Aharon Tam
(3)
Car on the road or Highway
Aharon Tam
(3)
HARE and TOM chase
Amit
(10)
A Pirate as Emissary problem
Lenko Donchev
(3)
salary
Alex Czar
(3)
Memory leak
robin
(2)
How to remove the loop in the linked list
R
(3)
More Difficult coin problem
Sal DiStefano
(5)
Solution to swithches puzzle
sorabh saxena
(18)
fogcreek puzzle
Dan Davis
(2)
Box o numbers
Arvin Farahmand
(3)
XOR gate using NANDS
Arvin Farahmand
(3)
one mile south
meeroh
(0)
Clocks
meeroh
(4)
chamaleons puzzle answer
saurabh
(7)
"Crazy guy on airplane" problem solution
Brett van Swelm
(14)
Switch statistics pazzle.
Vladimir Sakharuk
(1)
Mt. Fuji
Prakash S
(1)
Links to solutions no longer working
Yamini Kaur
(3)
Railroad Tunnell
Mark
(1)
the matrix reordered
Peter Meilstrup
(7)
monty hall goat problem
Sam Swanson
(14)
CD template for techinterview?
Dave Fobare
(0)
Compare 2 integers without comparision operators
Dave M
(6)
trailing 0's in factorial hundred
Chandrashekar Laveti
(4)
Resources for PUZZLE Solving
Abhinav MODI
(1)
Hen Puzzle
Robert Kelly
(2)
switch puzzle answer (spoiler)
Jason Striegel
(17)
To the webmaster...
levik
(3)
In Regards to the "red marbles, blue marbles"
Adam Thayer
(0)
Heavy Marble Interview Riddle
Billy
(1)
SQLServer Help
Prasad
(2)
painfully easy
Paul Whitehurst
(12)
answer to XOR using NAND gates
Alan Riddell
(0)
answer to railroad bridge
Alan Riddell
(3)
chameleons answer
Alan Riddell
(0)
bad king
Philipp Rumpf
(3)
sum it up
~k
(4)
Puzzle no 10, Fog creek Programmers
KN
(1)
Gas stations in San Francisco
Vladimir Sakharuk
(0)
Flaw in proposed salaries puzzle solution
Kees Snijders
(3)
Two envelopes
schmoe
(8)
Reverse String
Gautam Bajekal
(2)
Time for Some Answers
David Clayworth
(0)
crazy guy answer
Peter Meilstrup
(3)
Answers to "cars on the road"
Daniel
(3)
technical riddles (#61)
Peter Meilstrup
(0)
Mensa Answers
Derek Woolverton
(3)
how to increase range of a random number generator
Vik
(14)
A simpler Clock answer.
Derek Woolverton
(0)
Monty Hall Problem
Charles Reich
(8)
Answer to prisoners and switches
Dominic Cooney
(20)
Burning Dave and Mad Bomber
James Manka
(0)
Answer to "rail road bridge"
H.T.Srinivas Kumar
(5)
100 Lightbulbs
Yves
(0)
regarding "card trick without trick"
Rakesh
(1)
bad menu
crazyjoe
(2)
c question
M.M.
(3)
Here's a Switches hint
Mike Schiraldi
(0)
Swithces Puzzle - Hint needed
bot123
(7)
type of triangle
Mark
(7)
Write strstr
Mark
(2)
compare two strings
Mark
(8)
Remove duplicate from sorted array
Mark
(5)
New Interview Question?
Bruce JOhnson
(0)
Red Army-Blue Army Problem
Vishy Venugopalan
(11)
Link List #40
Jacob
(3)
about "Bad King"
Yu Wang
(0)
Classic weighing
Michael
(2)
Weights of the ancients
levik
(0)
treasure island
Peter Donis
(1)
Daughter's ages
Matt Slovick
(0)
Answer to "Pennies" Riddle Flawed.
Eric Ott
(1)
feedback on atoi
sidd
(1)
Counting
Rajesh.Duggirala
(1)
crazy guy on airplane
Aryabhatta
(0)
chameleons
Aryabhatta
(1)
XOR using NAND gates
S.C.
(1)
52 oil mogul
andrew lin
(0)
railroad bridge: solution
Sourabh Joshi
(0)
fisherman's hat- question
Sourabh Joshi
(0)
#56 - mensa
n8
(14)
hen
bookoo
(0)
Sum of numbers from 1 to 1000
Dmitry Shulga
(3)
clock
roo
(2)
Solutions to plane crash, lightbulb questions.
Josh Everist
(0)
Red Marble, Blue Marble
David Lanouette
(0)
technical riddles - solution
Raghuram
(1)
chinese emperor
HickNinja
(0)
Moving circles - the best I have seen.
Raghuram
(0)
Solution for x implies y part II
Raghuram
(1)
monty hall solution - I don't believe so.
Raghuram
(1)
Sum it up is poorly defined
Michael Anthony
(2)
cars on the road
Richard Wurdack
(0)
even harder coin problem solution
yvcb
(3)
I differ with 3 door monty hall solution.
yvcb
(2)
Solution to 'crazy guy on the airplane'
David Clayworth
(2)
nuggets
Pan, Wenyu
(2)
4 Cards
daniel
(0)
pennies
Pan, Wenyu
(6)
surgeons
David Clayworth
(1)
boys and girls
David Clayworth
(1)
chameleons
Raj
(1)
box o' numbers
Sergey Koloskov
(0)
card trick without the trick...
Amol Deshmukh
(0)
linked list
prat
(3)
railroad bridge
Avi Gozolchiani
(4)
Salary
Gwyn Carwardine
(2)
reverse a string - word by word - revisited
Ryan Mooney
(3)
Answer to railroad bridge
Julian Hall
(1)
Incorrect solution for "Pennies"
Simon Hall
(3)
I have a problem with the 'bumblebee' question
terrabit
(1)
Spam Proofing our discuss boards
Charles Reich
(0)
100 FogCreek Programmers (Feb 18,2001)
Purshottam Bali
(1)
cars on the road - solution
CM
(1)
I don't know, so she doesn't know so I know so ...
David Haner
(7)
technical riddles (people inside & outside a room)
Manas
(0)
Even harder coin problem
Phil Hord
(1)
Vienna
Stephen Jones
(0)
Crazy guy on the airplane
Stephen Jones
(1)
x implies y
Stephen Jones
(6)
Answers to River crossing
aloh
(2)
boys and girls
george
(2)
calendar cubes
george
(2)
ants on a triangle
george
(0)
Star Trek
Nicholas Harvey
(2)
mountain man
pb
(7)
noodles
Kevin
(1)
Clock Part II
Kevin
(4)
A math question
S.C.
(4)
brain teaser
Nancy Cahn
(9)
XOR Using NAND gates
Frodak Baksik
(0)
chameleons -- solution
Pan, Wenyu
(2)
the book "Treasure Island"
Ashley Broderick
(0)
cars on a road -- solution
Pan, Wenyu
(3)
chinese emperor -- solution
Pan, Wenyu
(1)
ants on a triangle ---- A simple solution
Pan, Wenyu
(0)
classic weighing, comments on solution
Pan, Wenyu
(0)
reverse a string - word by word
Gerald
(5)
Railroad bridge solution
Just another kid
(3)
x implies y
Jay Miller
(0)
Answer to "technical riddles" (people in a room)
Dov
(1)
Pennies
Just another kid
(0)
Heaven's Infinite Sume
Just another kid
(0)
Sum it up error
Just another kid
(6)
daughters age
Harjeet Judge
(2)
topcoder
Bill
(0)
smart cookie problem
john doe
(1)
calendar cubes
Wei-Hwa Huang
(2)
treasure island
Wei-Hwa Huang
(0)
classic weighing for grandmothers
Wei-Hwa Huang
(0)
sum it up
Wei-Hwa Huang
(2)
"one mile south" answer
Jon Chin
(2)
3 light switches
Greg Geller
(5)
X Implies Y
Fred Garber
(0)
Font Size
Joe Bayes
(2)
even harder coin problem
Steve Hutton
(0)
Two coin flips
Mark Schnitzius
(7)
Mirage Problem
Thanks
(1)
Last Balls
Thanks
(0)
chameleons
Steve Hutton
(3)
Crazy guy on an airplane
Stephen Hoffman
(5)
webloggers
Jim Wray
(1)
Monty Hall and all that (and "painfully easy")
Steve Hutton (stevehutton at rogers dot com)
(11)
hen
Stephen Hoffman
(0)
Duel
Stephen Hoffman
(2)
Solution to the railroad bridge problem
Joey Kelly
(1)
Reverse words in a String (an easier solution)
Brian Summers
(2)
Ambiguity in pirates problem.
Jim Sorenson
(3)
Orb solution, correction
jackdied
(2)
cars on the road
Brent Boyer
(7)
Linked List
William Frantz
(8)
Suggested atoi() function
William Frantz
(1)
Fuse on Fire
Harpreet
(9)
"bad king" slightly misstated
J. Michael Hammond
(4)
Placing 8 Queen's on Chess Board without killing e
Sanjeev Jahagirdar
(6)
lightbulb
Helloworld
(0)
technical riddles
Thomas van Dijk
(0)
Circle Problem
Dan McGrath
(14)
XOR using NAND
Rob Spieldenner
(3)
Finding an angle
levik
(1)
'painfully easy' actually undefined.
Mike Weber
(8)
Chinese emperor
Andreas Udby
(5)
x implies y
Cheradenine Zakalwe
(1)
even harder coin problem
Cheradenine Zakalwe
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