Questions tagged [array]
An array is an ordered data structure consisting of a collection of elements (values or variables), each identified by one (single dimensional array, or vector) or multiple indexes.
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Generic Dynamic Array Implementation
I wrote a dynamic array implementation in ISO C11 using void pointers. Everything I've implemented works--at least in all my tests--on a 64-bit machine. It has some vague type-checking and resizes ...
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Presence of UB and memory usage of a std::array initialization: version with temporary array on heap
I proposed several techniques to answer to https://stackoverflow.com/q/78672409/21691539.
A classical way to answer would be to use std::index_sequence-based ...
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Optimized data structure mapping finite set of integers to values in C++
I'm looking for a mapping data structure, but knowing that the possible values of my keys are small numbers, I would like to trade memory for better performances (for both random access and value ...
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Presence of UB and memory usage of a std::array initialization
I proposed several techniques to answer to https://stackoverflow.com/q/78672409/21691539.
A classical way to answer would be to use std::index_sequence-based ...
- 337
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1
answer
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Array Math to Calculate Ice Thickness -- Need Help Simplifying
I posted this on Stack but since it's working code, it was suggested I post it here. I wrote this code to calculate ice thickness using the following equation from Stephenson, 2011.
It's a daily ...
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Hackerrank "New Year chaos" solution - permute sequence by swapping adjacent terms
I was doing the Hackerrank "New Year chaos" problem. Here is the description:
It is New Year's Day and people are in line for the Wonderland
rollercoaster ride. Each person wears a sticker ...
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Research program for examining array list arithmetic contractions
Introduction
Suppose we have a dynamic table \$T\$. Let \$\vert T \vert\$ denote the number of elements currently stored in \$T\$, and \$\vert \vert T \vert \vert\$ denote the capacity of \$T\$. Also, ...
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Fill missing data in between available data with default value
My raw data has values on some random times:
const rawData = [
{hour: 3, value: 3} ,
{hour: 5, value: 9} ,
{hour: 10, value: 5} ,
] as const
I would like to ...
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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-...
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Given two sparse vectors, compute their dot product
Problem Statement:
Given two sparse vectors, compute their dot product.
Implement class SparseVector:
SparseVector(nums) Initializes the object with the vector nums
dotProduct(vec) Compute the dot ...
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Finding the earliest time we can schedule
We have a list of \$j \in \{1,\ldots,N\}\$ jobs with a processing time \$p_j\$ and a demand \$d_j\$ between 0 and 1. These are real numbers. Jobs require the fixed demand over the entirety of their ...
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Find Method Implementation for Multidimensional Array in C#
I found that Array.Find(T[], Predicate) Method is only support one dimensional array. I am trying to generalize it to multi-dimensional array in this post.
The experimental implementation
The ...
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Creating an array (temporary table) in SQL and iterating through each row within this table to preform a check on the data in each row
The SQL Server version I am using is SQL Server 2008.
I've got an SQL query/script I've written which is to help simplify some things while our API is being rebuilt.
Essentially, this script allows ...
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Comparing a set of parameters contained in two separate strings in Powershell
I have a situation where I need to compare two strings with each other in a foreach loop that potentially run over millions of rows of data. The two strings will always contain between 1 and 12 ...
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Updating class method to use data from new weather API endpoint while keeping same return value object structure as with old endpoint
I needed to update a class in Node.js that parses the response from a new weather API endpoint but still preserves the same object structure and key values from having been using the old weather API ...
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