print out the powset of a set. use any programming language you want.
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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?
Write a function that will return the second longest string in a list of strings. You have to do a single pass on the list.
How to add a counter to www.google.com to track the billionth user.
Solve a Kakuro item - Given S - the sum, N - number of slots and P - you can use numbers between 1 - P. You should only use a number once and same numbers are considered as the same solution. Example: S=6, N=2, P=6 Answers: 1. 4,2 2. 5,1 3. 3,3
Assume you have a binary number 00110010, you apply some function on it and the number changes to some random number 10100011. Write a function to determine which numbers flipped from 0 to 1 and which bits flipped from 1 to 0. (You will have to write 2 different functions for 0 to 1 and 1 to 0).
they asked me to code for such a question: the input was a string and I was supposed to output the longest sub string with only 2 distinct chars in the sub string.
The dude basically asked me "what weird things have you found in using C?" Odd question...
Giving you a starting position on a chessboard. Giving you an end position. If you are only allowed to walk diagonally, how many steps do you need to take to get to the end position?
Find the top minimal m elements of n elements in O(n) time
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