All Questions
14,123
questions
0
votes
0
answers
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views
Shortest way to cause a seg fault at 0x9c?
In honour of CrowdStrike's exception at 0x9c, what's the shortest way (character-wise) to cause a segfault by dereferencing address 0x9c?
The best I can come up with is:
...
- 29
1
vote
1
answer
107
views
Compute Dickman
Input
A floating point number \$x\$ between 1 and 8 inclusive.
Output
The Dickman function of \$x\$.
The Dickman–de Bruijn function \$\rho(u)\$ is a continuous function that satisfies the delay ...
- 3,098
3
votes
18
answers
295
views
Check if two lists are permutations of each other [duplicate]
Challenge
Given two lists of equal length, find if one of them is a permutation of the other. Output truthy or falsy values, or 1 or 0.
Test case Examples
...
- 121
13
votes
15
answers
855
views
Reorder for smallest largest prefix sum
Given a multiset of integers, order them such that the largest absolute prefix sum $$\max_i \left| \sum_{k<i} a_k \right|$$ is smallest. Output any solution if multiple exist.
You can assume input ...
- 25k
18
votes
19
answers
4k
views
Wait, ASCII was 128 characters all along?
Challenge
In this challenge, you have to take a nonnegative integer as input, convert it into base-128 bytes (0 → 0x00, 127 → ...
- 729
-6
votes
0
answers
68
views
Choosing the best approach for developing a system for buyers to sell to multiple sellers on your market place [closed]
I have been messing around with the PayPal API v2, and I have asked a Question with no reply of what to do next once the seller onboards. So then I looked at Braintree and started to get used to that ...
- 89
20
votes
15
answers
2k
views
Sorting with a deque
You're given an array of positive integers. Your job is to sort them using an initially empty deque (double-ended queue) by the following procedure:
Take a number from the front of the array, and ...
- 77.5k
-4
votes
1
answer
77
views
Calling functions and addressing arrays without operators [closed]
Is there a language where they write just ai for a[i] and sqrt2 for sqrt(2). I mean that arrays are treated like functions and calling a function does not need an operator.
7
votes
39
answers
1k
views
Calculate sum of self-exponentation
Given an array of positive integers, calculate the sum of each number raised to its own power. For example, given 4,6,7, the code needs to return \$4^4+6^6+7^7=...
- 121
14
votes
9
answers
955
views
Draw a Regular Reuleaux Polygon
Related: Draw A Reuleaux Triangle!, Draw a regular polygon
A Reuleaux polygon is a curve of constant width made up of circular arcs of constant radius. The most well-known Reuleaux polygon is the ...
- 8,602
16
votes
16
answers
2k
views
o y u (or and or)
In Spanish, the word 'or' is represented as 'o', with the exception of cases where the following letter starts with 'o' or 'ho' (including accented forms like 'ó' or 'hó'). Numbers also follow this ...
- 4,167
17
votes
9
answers
2k
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A Ring of Cubes
Given an integer greater than or equal to 2, output ASCII-art resembling an isometric-perspective cube ring with that side length.
Expected outputs given below for 2, 3. You can imagine the rest. You ...
- 8,602
2
votes
2
answers
467
views
Largest possible relative error
Output
\$20\$ float64s with absolute value between 1 and 2 inclusive whose sum has the largest possible relative error. We can assume the true sum is not zero.
The sum is to be computed from left to ...
- 3,098
9
votes
12
answers
3k
views
Keyboard Ping Pong
Keyboard Ping Pong
(This question was inspired by this post.)
Challenge
Given a string of letters, determine if the word "ping-pongs" across the keyboard. (Letters alternating between sides ...
- 738
9
votes
13
answers
1k
views
Is it an option for the ls utility specified in POSIX.1-2017?
The ls utility lists specified directory content. It is infamous for stupidly lots of options which is known for anti-pattern design of implementing software.(...
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