Skip to main content
The 2025 Developer Survey results are in. Explore insights into technology and tools, careers, community and more. View results.

All Questions

Tagged with
Filter by
Sorted by
Tagged with
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 ...
whiteman808's user avatar
2 votes
1 answer
94 views

A (Sort of) Generic Stack Implementation in C using Macros

I spent some time implementing a generic stack in C using macros. Apart from general bugs and bad practices in my code, I was wondering about the viability of an implementation like this that uses ...
vim_overlord's user avatar
0 votes
2 answers
2k views

Find the matrix row having the largest sum

...
flamethrower10's user avatar
3 votes
1 answer
1k views

Quicksort using Lomuto partition scheme in C

This is my implementation of the divide-and-conquer Quicksort algorithm using the Lomuto partition scheme in C. This is part of a personal project and I'm following Linus Torvalds's coding style. <...
Andy Sukowski-Bang's user avatar
2 votes
3 answers
858 views

My own array implementation in C

I've been trying to remember old programming concepts like data structures. My first challenge was about implementing my own array of positive integers: ...
d2841265's user avatar
3 votes
2 answers
115 views

A Stack Implementation In C

I've written a very simple linked list based stack implementation and was wondering if this is the standard way to do it in C. ...
Silver's user avatar
  • 131
3 votes
1 answer
148 views

Counting sort in C, revised

This is a revised follow-up to this question. I have implemented most of the suggestions in the accepted answer. I am interested to see what I could improve in my code and what I could do to make it ...
anna328p's user avatar
  • 318
3 votes
3 answers
2k views

Tower Hopper problem recursive approach

The Tower Hopper problem gives us an array of values representing heights that express how far we can jump from a certain tower, and asks whether there's a way to get from ...
jeremy radcliff's user avatar
-2 votes
2 answers
91 views

An array adding numbers to a specified sequence

I have to make a program that modifies an array like this: it takes a sequence in an array and sums up a number to each element in the sequence and repeats this many times. The array's elements are <...
Timʘtei's user avatar
  • 323
10 votes
6 answers
1k views

Primitive String trimmer in C

I just picked up C and am following through The C programming language. I've previously got experience with a lot of 'higher'-level languages, so when I saw this exercise in the book: Write a ...
geostocker's user avatar
7 votes
1 answer
2k views

Cipher text using a 2D array

I have a simple program which ciphers text using a 2D array. You specify what letters to replace with what and it does it. I understand the code is very repetitive and that I should probably use ...
Theodore Falcone's user avatar
4 votes
1 answer
963 views

Max difference between two array elements

Can I get feedback on below code? Problem statement is Maximum difference between two elements such that larger element appears after the smaller number Would this solution be still considered O(n) ...
oneday's user avatar
  • 197
2 votes
1 answer
1k views

Find the contiguous subarray within an array (containing at least one number) which has the largest sum

Interview Q: Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example: Given the array [-2,1,-3,4,-1,2,1,-5,4], the contiguous subarray [...
Smart Home's user avatar
1 vote
1 answer
1k views

Missing element from array (D&C) - code design/aesthetic improvement

I am trying to implement in C/C++ a 'classical' Divide and Conquer algorithm which solves the following problem "Given an array of n-1 numbers (int) from 0 to n, find the missing number". I am using ...
Silent Control's user avatar
4 votes
1 answer
6k views

Quicksort using pointers

As an exercise, I've written quicksort algorithm in C using pointers. Please comment and help me find the cases where it breaks (if any). ...
ShuklaSannidhya's user avatar