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prime_node's Introduction

Coding exercise - Prime tables

Node.js v0.12.0

Introduction

Write an application that takes numeric input (N) from a user and outputs a multiplication table of (N) prime numbers.

Install

git clone https://github.com/Leo-ajc/prime_node.git

cd prime_node

npm install

Run

node ./src/cli.js 7

$ [ 2, 3, 5, 7, 11, 13, 17 ]

Run tests

npm test

Benchmark

node ./benchmark/benchmark.js

Dataset

./benchmark/regression_worksheet.xlsx

Limit of the function

Big O Chart

n = 30

O(n^c) Fractional Power

y = 174.37x0.8671

R^2 = 0.99115

n = 30

O(n) Linear

y = 91.766x + 335.8

R^2 = 0.99794

I am pleased with

Able to implement a segmented sieve.

Given more time I would:

  1. Created an output multiplication table.
  2. Used more functional syntax, map and reduce than iteration I used.
  3. Removed the crazy code replication in the tests.

prime_node's People

Contributors

leo-ajc avatar

Watchers

 avatar James Cloos avatar

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