Write a function to remove repeated spaces from a string (ex: "one two three four" -> "one two three four")
Developer Interview Questions
640,391 developer interview questions shared by candidates
Given a list of coins and the a total amount. Calculate the minimum number of coins can be used to reach the total amount.
Difference between an array list and a linked list.
Examples of teamwork etc. general questions like that
"what do you do if your manager says your code is a piece of sh*t?"
Input a matrix, where every number is greater or equal to the numbers on its right and bottom. Output a sorted array
Given an english sentence how can you tell if it is valid or not. For Eg. "Iworkatuber" is a valid sentence "Iworkatasdf" is an invalid sentence.
Write a class that can take in an endless stream of numbers, one integer at a time, can efficiently store the most recent n numbers and report their average in O(1) time.
print out the powset of a set. use any programming language you want.
Pets +------------------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | breed | varchar(255) | NO | | NULL | | | acquisition_date | datetime | NO | | NULL | | +------------------+--------------+------+-----+---------+----------------+ Customers +-------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | name | varchar(255) | NO | | NULL | | +-------+--------------+------+-----+---------+----------------+ Sales +-------------+----------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------------+----------+------+-----+---------+-------+ | customer_id | int(11) | NO | PRI | NULL | | | pet_id | int(11) | NO | PRI | NULL | | | date | datetime | NO | | NULL | | +-------------+----------+------+-----+---------+-------+ Q1 How many pets of each breed has the shop ever owned?
Viewing 1261 - 1270 interview questions