Problems

1 – 23 of 23

Problem Title Likes Solvers Difficulty

Problem 850. Spectral Distance - Speed Scoring

Created by: Richard Zapor

Tags image processing, speed, spectral distance

Problem 1693. Calculate distance travelled when given radius and rotations

Created by: Ashutosh datar

Tags distance, speed, circle

190

Problem 963. We love vectorized solutions. Problem 1 : remove the row average.

Created by: William Smith

Tags speed, vectorized, subtraction

626

Problem 539. Fun Race

Created by: AMITAVA BISWAS

Tags speed, cpu, delay

Problem 955. ismember: Enhanced Time Performance for 'rows' - Speed Scoring (90% savings)

Created by: Richard Zapor

Tags speed, uint32, ismember

Problem 956. Unique: Enhanced Performance - Large and Wide Array - Speed Improvement (66% savings)

Created by: Richard Zapor

Tags speed, unique, performance enhancement

Problem 477. speed vs size

Created by: AMITAVA BISWAS

Tags size, function, speed

Problem 1259. It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().

Created by: Jeremy

Tags matlab, matrix, speed

Problem 44508. Curve fitting (non-linear functions) & function handles

Created by: David Verrelli

Tags function handles, curve fitting, speed

Problem 44521. Make your own Test Suite (part 3)

Created by: David Verrelli

Tags speed, meta-problem, test suite

Problem 42636. Big Integer Multiplication

Created by: LY Cao

Tags speed, big integer arithmetic

Problem 44351. Code breaker, Part I: Operation Phoenix

Created by: David Verrelli

Tags speed, cipher, cryptography

Problem 44356. Code breaker, Part II: Operation Orthos

Created by: David Verrelli

Tags speed, cipher, cryptography

Problem 44353. Group-wise Euclidean distance

Created by: Peng Liu

Tags speed, cody5

Problem 1889. Get ranking of a combination looking for speed.

Created by: Doug Hull

Tags speed

Problem 44383. Code breaker, Part III: Operation Xiangliu

Created by: David Verrelli

Tags speed, cipher, cryptography

Problem 1139. Rubik's Cube: 30 Moves or Less : Contest Scoring (Time/Size/Moves)

Created by: Richard Zapor

Tags speed, contest, rubik's cube

Problem 1237. It's race time! Write a faster function than the test suite call of unique().

Created by: Jeremy

Tags matlab, speed, unique

Problem 42674. Cody meets Xiangqi: foresee the unseen (Part 1)

Created by: Peng Liu

Tags probability, chess, speed

Problem 42765. Maximize Non-Co-Planar Points in an N-Cube

Created by: Richard Zapor

Tags speed, topology, meshgrid

1 – 23 of 23

Trial software

Difficulty Rating

Problem Groups

Problems

Problem 850. Spectral Distance - Speed Scoring

Problem 1693. Calculate distance travelled when given radius and rotations

Problem 963. We love vectorized solutions. Problem 1 : remove the row average.

Problem 539. Fun Race

Problem 955. ismember: Enhanced Time Performance for 'rows' - Speed Scoring (90% savings)

Problem 956. Unique: Enhanced Performance - Large and Wide Array - Speed Improvement (66% savings)

Problem 477. speed vs size

Problem 1259. It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().

Problem 44508. Curve fitting (non-linear functions) & function handles

Problem 44521. Make your own Test Suite (part 3)

Problem 42636. Big Integer Multiplication

Problem 44351. Code breaker, Part I: Operation Phoenix

Problem 44356. Code breaker, Part II: Operation Orthos

Problem 44353. Group-wise Euclidean distance

Problem 1889. Get ranking of a combination looking for speed.

Problem 44383. Code breaker, Part III: Operation Xiangliu

Problem 1139. Rubik's Cube: 30 Moves or Less : Contest Scoring (Time/Size/Moves)

Problem 1237. It's race time! Write a faster function than the test suite call of unique().

Problem 1122. USC Fall 2012 ACM: Rover Maze

Problem 1138. Rubik's Cube: 30 Moves or Less: Minimum Avg Time

Problem 952. Unique: Enhanced Performance - Avoiding Memory Crash

Problem 42674. Cody meets Xiangqi: foresee the unseen (Part 1)

Problem 42765. Maximize Non-Co-Planar Points in an N-Cube