explaingit

bwesterb/010cc

Analysis updated 2026-08-10 · repo last pushed 2014-09-13

1CAudience · researcherComplexity · 3/5DormantSetup · moderate

TLDR

A small C program that checks whether a graph can be colored with ten colors so that no two connected points share the same color. It is a focused, purpose-built tool for tackling the graph coloring problem from mathematics and computer science.

Mindmap

mindmap
  root((repo))
    What it does
      Checks graph colorability
      Uses ten colors
      Solves coloring puzzle
    Tech stack
      C language
      Command line tool
    Use cases
      Exam scheduling
      Resource allocation
      Algorithm research
    Audience
      Researchers
      Students
      Hobbyists
    Setup
      Compile C code
      Minimal documentation

Code map

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What do people build with it?

USE CASE 1

Test whether a university exam schedule can fit into ten time slots without conflicts.

USE CASE 2

Check if a resource allocation problem can be solved with ten distinct resource types.

USE CASE 3

Experiment with graph coloring algorithms for coursework or research.

USE CASE 4

Verify colorability of custom graphs generated for algorithm benchmarks.

What is it built with?

C

How does it compare?

bwesterb/010ccabrown/aomadroxz1122/injected-host-enumeration
Stars111
LanguageCCC
Last pushed2014-09-132020-03-11
MaintenanceDormantDormant
Setup difficultymoderatehardmoderate
Complexity3/55/53/5
Audienceresearcherdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Minimal documentation means users must know how to compile C code and figure out the expected input format on their own.

In plain English

This repository contains a small tool that checks whether a given graph can be "colored" using a limited set of colors. The project is written in C and tackles a specific puzzle from mathematics and computer science known as the graph coloring problem. While the README does not provide any background details or instructions, the code itself is designed to determine if it is possible to assign one of ten available colors to every point in a graph so that no two connected points share the same color. At a high level, the program takes a network of interconnected points, known as a graph, and attempts to solve this coloring puzzle. In graph theory, each connection represents a relationship where the two endpoints cannot have identical values. The tool evaluates the entire structure and confirms whether a valid arrangement exists using ten distinct colors. This type of problem is notoriously difficult to solve as the number of points grows, because the number of possible combinations expands exponentially. The audience for this tool is likely researchers, students, or hobbyists exploring complex mathematics or algorithm design. A graph coloring challenge might seem abstract, but it has practical applications in real-world scheduling and resource allocation. For example, assigning exam time slots to university students is a coloring problem: every exam is a point, shared enrollments create connections, and the colors represent available time blocks. Someone could use this tool to test whether a complex schedule can be constructed using only ten distinct time slots without creating a conflict. Because the repository has minimal documentation, users would need a basic understanding of compiling C code to make use of it. The project appears to be a focused, purpose-built utility rather than a polished application, trading user-friendly interfaces for a direct approach to solving a mathematically intensive task.

Copy-paste prompts

Prompt 1
Write a C program that reads a graph from standard input and determines whether it can be colored with ten colors such that no two adjacent vertices share a color, then compare your approach to the one in the 010cc repository.
Prompt 2
Help me compile and run the 010cc graph coloring checker on a sample graph file with ten colors, including how to format the input graph data.
Prompt 3
Given a scheduling problem where exams are nodes and shared enrollments are edges, show me how to represent it as a graph and use the 010cc tool to check if ten time slots suffice.

Frequently asked questions

What is 010cc?

A small C program that checks whether a graph can be colored with ten colors so that no two connected points share the same color. It is a focused, purpose-built tool for tackling the graph coloring problem from mathematics and computer science.

What language is 010cc written in?

Mainly C. The stack also includes C.

Is 010cc actively maintained?

Dormant — no commits in 2+ years (last push 2014-09-13).

How hard is 010cc to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is 010cc for?

Mainly researcher.

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