All Questions
247 questions
4
votes
2
answers
232
views
Ruby Array#own_shuffle method
I have tried to implement the Array-shuffle method myself. Haven't had a look on some similar algorithm-examples by purpose and tried to figure out something myself.
The actual Array-extension:
...
- 4,972
4
votes
1
answer
102
views
Swift Arrays: Write a rotate-right function
Task:
Write a function which rotates all elements of a given array to the right.
Example: [1, 2, 3] => [3, 1, 2]
My solution:
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- 4,972
3
votes
1
answer
102
views
Merge discrete integer intervals
What it does
The code starts with a set of integer intervals, and can add new intervals (possibly by updating existing intervals). Essentially, it is a bit array whose index starts at ...
- 1,158
-2
votes
1
answer
63
views
I wrote a O(log N) code for largest element in an array today but is this an already existing way to find max element in an array? [closed]
Largest element in an array's most optimal approach. The code I have written has passed all test cases in https://www.naukri.com/code360/problems/largest-element-in-the-array-largest-element-in-the-...
- 1
1
vote
3
answers
139
views
Another ATMs cash-out (denomination) algorithm in Java
Related to this question and this answer, I would like to have a second review from you on a modified version.
The problem I tried to solve
Some kind of "Minimum count of numbers required from ...
- 794
2
votes
2
answers
84
views
Calculating the sum of all k-sized sub-arrays in an array using sliding window algorithm
I need to calculate the sum of all k-sized sub-arrays in an array using sliding window algorithm. Is that a valid sliding window algorithm? If not, why?
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- 21
3
votes
2
answers
221
views
Counting duplicate elements in two sorted arrays
I've been working on an assignment that involves optimizing a duplicate finding algorithm for sorted arrays, and I'd like to get your thoughts on the implementation. Here's the code I've come up with:
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- 31
3
votes
1
answer
135
views
0
votes
1
answer
62
views
The Matrix Winds In
The Problem: Given an N by M Matrix, Create an Anti-Clockwise Traversal Path that winds in all the way into the Matrix
Example: The Matrix is 9 by 5
Output:
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4
votes
3
answers
767
views
Determine whether two arrays have the same elements with the same multiplicities
I have written a Python function called comp that checks whether two given arrays have the same elements, with the same multiplicities. The multiplicity of a member ...
- 583
1
vote
1
answer
62
views
Optimizing the Dig Pow function
I have written a Python function to solve the Dig Pow problem, where the goal is to find a number k such that the sum of each digit of n raised to a specific and ...
- 583
8
votes
4
answers
524
views
Array List C implementation
I want to show you my implementation of the array list in C. Is there something I can improve or fix?
Header
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- 531
1
vote
1
answer
274
views
C# Get All Diagonals Jagged Array
How can I improve this?
The idea is to store every left to right diagonals in a list
Not looking for a more efficient algorithm instead something readable, LINQ perhaps?
input:
3, 1
2, 5, 7
1, 5, 8, 3,...
- 133
3
votes
2
answers
406
views
Calculate sum of largest sequence of decreasing odd ints
I wrote a method that finds the maximum sum of consecutive decreasing sequence of odd integers.
For example: if sequence is 13 9 7 12 13 15 13, then sum is 29 (13 + 9 + 7).
I don't think it's as good ...
- 33
1
vote
1
answer
107
views
Selection algorithms (order statistic) in Java: linear time vs. sorting selector vs. Quickselect
This post is about computing order statistics: given an array \$A\$ (not necessarily sorted), find the \$k\$th smallest array component. The entire repository is here.
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- 31k