# Problems

1 – 50 of 167
 Problem Title Likes Solvers Difficulty

#### Problem 908. AVIRIS Inscribed Rectangle Bit Mask - Speed Test

Created by: Richard Zapor

0

4

#### Problem 916. Rubik's Cube : Solve Ten Face Move - Speed Scoring

Created by: Richard Zapor

0

2

#### Problem 927. Knots Contest: Minimum Knots (TestSuite)

Created by: Richard Zapor

Tags knots, eig

0

5

Created by: Sibi

1

2

#### Problem 47473. Slitherlink IV: Recursive (medium size)

Created by: Richard Zapor

0

0

#### Problem 45211. AES SubBytes() Transformation

Created by: David Hill

0

3

#### Problem 45212. AES MixColumns() Transformation

Created by: David Hill

0

2

#### Problem 45213. AES-256 KeyExpansion()

Created by: David Hill

0

2

#### Problem 45270. Game of life - 02

Created by: Asif Newaz

0

3

#### Problem 939. DNA Pattern Match: Performance Metric - Speed

Created by: Richard Zapor

1

8

#### Problem 952. Unique: Enhanced Performance - Avoiding Memory Crash

Created by: Richard Zapor

0

8

#### Problem 961. Robust alignment of coordinate system

Created by: J-G van der Toorn

Tags geometry, vector, 3d

0

2

#### Problem 986. Penny Flipping: Reverse subsets of a sequence of coins until you recover the original configuration

Created by: Everett Rubel

1

10

#### Problem 988. Convert a substructure reference string into a valid definition structure for subsref and subsasgn

Created by: J-G van der Toorn

0

6

#### Problem 527. Augmented Lagrange Multiplier (ALM) Method

Created by: Robert Canfield

0

4

#### Problem 53975. Compute the effective conductivity of more heterogeneous aquifers

Created by: ChrisR

1

1

#### Problem 54360. k partitions of an array of numbers having nearly equal sum

Created by: Pramit Biswas

Tags partition

0

0

#### Problem 44435. Testing for randomness: uniform distribution of real numbers (distribution checking)

Created by: David Verrelli

0

2

#### Problem 45422. Coin Distribution - 02

Created by: Asif Newaz

Tags algorithm

1

5

#### Problem 45480. Find the Fourier coefficients of a periodic function

Created by: Demet Tatar

0

3

#### Problem 43478. Calculate the dynamic time warping similarity

Created by: Steven Van Vaerenbergh

0

4

#### Problem 43676. Count the Digits in the Box

Created by: Ned Gulley

3

6

#### Problem 44655. Computational power of Cody servers

Created by: David Verrelli

0

2

#### Problem 43613. how to concatenate matrices

Created by: Marc Jakobi

1

12

#### Problem 44541. Arrange the names in alphabetical order (2)

Created by: David Verrelli

2

4

#### Problem 44545. "Percentages may not total 100 due to rounding"

Created by: David Verrelli

0

3

#### Problem 44658. Kurosu solver

Created by: HH

Tags games, kurosu

4

8

Created by: Kwin

0

5

#### Problem 45303. Combinatorics - 01

Created by: Asif Newaz

0

3

#### Problem 43025. Check if a directory is on the current MATLAB search path

Created by: Matthew Eicholtz

0

8

#### Problem 45315. Find the point of intersection of tangents.

Created by: Paul Johnson

0

3

#### Problem 45321. Kolakoski Sequence

Created by: Asif Newaz

1

5

#### Problem 44389. Just take it easy for a second or two!

Created by: David Verrelli

Tags time, timing

0

8

#### Problem 44393. Testing for randomness: uniform distribution of integers

Created by: David Verrelli

0

2

#### Problem 44741. You are constantly moving at a speed v faster than your twin brother. How long does it take before you become 1s younger than him according to the theory of relativity?

Created by: Mikael Andblom

0

3

#### Problem 44753. Lights Out 3 - 5x5, 6 moves

Created by: goc3

Tags game, logic, flip

1

14

Created by: Said BOUREZG

Tags matrix, zigzag

0

11

#### Problem 44756. Lights Out 5 - 5x5, 10 moves

Created by: goc3

Tags search, game, logic

3

14

#### Problem 44757. Lights Out 6 - 5x5, 13 moves

Created by: goc3

Tags game, logic, flip

1

13

#### Problem 44764. Lights Out 10 - 5x5, with wrapping, 6 moves

Created by: goc3

Tags game, logic, flip

2

10

#### Problem 44784. Project Euler: Problem 14 Longest Collatz sequence(harder version)

Created by: Binbin Qi

1

3

#### Problem 44226. Logistic map

Created by: Daniel Meier

0

6

#### Problem 44249. Pipeline - Variable-length Input

Created by: LY Cao

1

0

#### Problem 44832. Generate Convolution Matrix of 2D Kernel with Different Convolution Shapes (Full, Same, Valid)

Created by: Royi Avital

0

3

#### Problem 44843. Nth Order Polynomial Regression

Created by: Jared Oliphant

Tags regression

1

3

#### Problem 633. Create Circular Perfect Square Sequence

Created by: Richard Zapor

Tags recursion

1

9

#### Problem 653. Steal, Share, or Catch: Tournament of Champions

Created by: Doug Hull

5

9

#### Problem 663. Crypto Addition - v01

Created by: Richard Zapor

0

6

#### Problem 677. Vine Contest 1-D Case Optimization: Board 78

Created by: Richard Zapor

0

1

#### Problem 685. Image Processing 2.1.1 Planck Integral

Created by: Richard Zapor

0

6

1 – 50 of 167