Alan Chalker

E-mail

Company/University

Ohio Supercomputer Center

Rank 11
Score 2930
233 problems solved 40 problems created 0 problems liked 0 solutions liked
10Solvers

Compress strings (not springs)

Created by Amitava Biswas

Tags

character, condense, space, edit, string

Problem Group

Community
  • Solved
6Solvers

Mr. Pyramidad & Ms. Whissy Bolower

Created by Amitava Biswas

Tags

non-sustainable business model

Problem Group

Community
  • Solved
8Solvers

Aufbau principle

Created by Amitava Biswas

Tags

electron, atom, chemistry, physics

Problem Group

Community
  • Solved
10Solvers

Surface Fit z(x,y)

Created by Amitava Biswas

Tags

2d, surface, quadratic, fit, polynomial

Problem Group

Community
  • Solved
6Solvers

Bang Bang in Bangalore

Created by Amitava Biswas

Tags

regular expression, edit, find, replace, match

Problem Group

Community
  • Solved
5Solvers

Let's do Markov Chains!

Created by Stephen

Tags

markov chain, linear algebra

Problem Group

Community
  • Solved
23Solvers

Back to basics 26 - Keywords

Created by Alan Chalker

Tags

keywords

Problem Group

Community
  • Solved
25Solvers

Back to basics 25 - Valid variable names

Created by Alan Chalker

Tags

variable names

Problem Group

Community
  • Solved
15Solvers

Back to basics 24 - Symbolic variables

Created by Alan Chalker

Tags

symbolic variables

Problem Group

Community
  • Solved
45Solvers

sum of diagonal of a square matrix

Created by Sunu

Tags

basic matlab

Problem Group

Community
  • Solved
32Solvers

Replace May with April

Created by Sunu

Tags

matlab

Problem Group

Community
  • Solved
26Solvers

Make an awesome ramp for a tiny motorcycle stuntman

Created by Stephen

Tags

stunt ramp

Problem Group

Community
  • Solved
28Solvers

Is this matrix orthogonal?

Created by Bruce Raine

Tags

orthogonal

Problem Group

Community
  • Solved
44Solvers

This problem is locked. You need to solve more problems from Cody Challenge group to unlock it.

  • Solved
10Solvers

Acidity of vinegar and salts

Created by Amitava Biswas

Tags

medical, chemistry

Problem Group

Community
  • Solved
9Solvers

Closely related?

Created by Amitava Biswas

Tags

medical

Problem Group

Community
  • Solved
12Solvers

ranch area?

Created by Amitava Biswas

Tags

area

Problem Group

Community
  • Solved
17Solvers

System of equations

Created by Tom

Tags

system of equations

Problem Group

Community
  • Solved
12Solvers

Snakes on a plane

Created by Stephen

Tags

"snake-y" patterns, silly

Problem Group

Community
  • Solved
37Solvers

sorting

Created by Yvan Lengwiler

Tags

sorting

Problem Group

Community
  • Solved
21Solvers

Return the Fibonacci Sequence

Created by Matt Fig

Tags

fibonacci

Problem Group

Community
  • Solved
47Solvers

Distance walked 3D

Created by Amitava Biswas

Tags

walk

Problem Group

Community
  • Solved
58Solvers

This problem is locked. You need to solve more problems from Cody Challenge group to unlock it.

  • Solved
9Solvers

Sum the Infinite Series

Created by Roger Stafford

Tags

infinite series

Problem Group

Community
  • Solved
36Solvers

Back to basics 23 - Triangular matrix

Created by Alan Chalker

Tags

matrices

Problem Group

Community
  • Solved
52Solvers

Back to basics 22 - Rotate a matrix

Created by Alan Chalker

Tags

matrices

Problem Group

Community
  • Solved
30Solvers

Back to basics 21 - Matrix replicating

Created by Alan Chalker

Tags

matrices

Problem Group

Community
  • Solved
40Solvers

Back to basics 20 - singleton dimensions

Created by Alan Chalker

Tags

dimensions

Problem Group

Community
  • Solved
20Solvers

Back to basics 19 - character types

Created by Alan Chalker

Tags

strings

Problem Group

Community
  • Solved
19Solvers

Back to basics 18 - justification

Created by Alan Chalker

Tags

justification, strings

Problem Group

Community
  • Solved
35Solvers

Back to basics 17 - white space

Created by Alan Chalker

Tags

white spaces

Problem Group

Community
  • Solved
27Solvers

Back to basics 16 - byte order

Created by Alan Chalker

Tags

byte order

Problem Group

Community
  • Solved
29Solvers

Back to basics 15 - classes

Created by Alan Chalker

Tags

classes

Problem Group

Community
  • Solved
22Solvers

wait for me

Created by Amitava Biswas

Tags

wait

Problem Group

Community
  • Solved
15Solvers

does it touch ?

Created by eric landiech

Tags

language recognition

Problem Group

Community
  • Solved
16Solvers

Einsteinium-253 decay

Created by Bruce Raine

Tags

natural log, half-life, isotope, radioactive decay

Problem Group

Community
  • Solved
22Solvers

Specific Element Count

Created by @bmtran

Tags

plus, occurrences, equality, counting, sum

Problem Group

Community
  • Solved
13Solvers

drowsy?

Created by Amitava Biswas

Tags

sleep

Problem Group

Community
  • Solved
16Solvers

Find indices of multiple minima in a vector

Created by Louise Vlot

Tags

a

Problem Group

Community
  • Solved
12Solvers

Convert String to Morse Code

Created by NeoGenesis

Tags

coding, conversion, neogenesis, strings

Problem Group

Community
  • Solved
13Solvers

Dancing with wolves?

Created by Amitava Biswas

Tags

dance

Problem Group

Community
  • Solved
15Solvers

capable husband?

Created by Amitava Biswas

Tags

certified husband

Problem Group

Community
  • Solved
20Solvers

Person of interest?

Created by Amitava Biswas

Tags

detective

Problem Group

Community
  • Solved
13Solvers

cos for boss?

Created by Amitava Biswas

Tags

trigonometry

Problem Group

Community
  • Solved
17Solvers

hackathon impossible

Created by Alfonso Nieto-Castanon

Tags

hack, rand

Problem Group

Community
  • Solved
24Solvers

the return of the hackathon

Created by Alfonso Nieto-Castanon

Tags

hack, rand

Problem Group

Community
  • Solved
16Solvers

Find Rotated Substring

Created by Roy Mathew

Tags

strings

Problem Group

Community
  • Solved