Problems

1 – 20 of 20

Problem Title Likes Solvers Difficulty

Problem 43975. Permute the unique values of a vector without sorting

Created by: Gareth Lee

Tags unique, permute

Problem 951. Unique: Faster for options 'rows' and 'stable' for large array of uint8

Created by: Richard Zapor

Tags sort, optimization, unique

Problem 532. Return unique values without sorting

Created by: Aurelien Queffurust

Tags unique, sorted

713

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

Created by: Richard Zapor

Tags speed, unique, performance enhancement

Problem 2456. remove single elements

Created by: rifat

Tags matrix manipulation, unique

Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

234

Problem 1934. GJam 2014 China Rd B: Sudoku Checker

Created by: Richard Zapor

Tags sudoku, unique, gjam

Problem 42780. GJam March 2016 IOW: Password Single

Created by: Richard Zapor

Tags string, alphabet, unique

Problem 2699. From a given cell array of strings, extract the non-unique strings.

Created by: Ken Deeley

Tags unique, cell array, cellfun

Problem 44079. GJam 2017 Kickstart: Leader (Large)

Created by: Richard Zapor

Tags sort, unique, cell array

Problem 733. Extract Built In Functions and Toolbox Functions from String or Function Handle

Created by: Richard Zapor

Tags regexp, match, unique

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 42782. GJam March 2016 IOW: Passwords and the Block Set

Created by: Richard Zapor

Tags unique, contest, stable

Problem 952. Unique: Enhanced Performance - Avoiding Memory Crash

Created by: Richard Zapor

Tags speed, unique, memory management

1 – 20 of 20

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 43975. Permute the unique values of a vector without sorting

Problem 54290. Count of Unique Elements of a Vector

Problem 904. Unique: Faster 'rows' for large array of uint8

Problem 925. Unique - Very Very Large Numbers

Problem 1271. THE CALCULATOR OF LOVE

Problem 44078. GJam 2017 Kickstart: Leader (Small)

Problem 926. Unique: Speed Enhancement for uint(8,16,32)

Problem 951. Unique: Faster for options 'rows' and 'stable' for large array of uint8

Problem 532. Return unique values without sorting

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

Problem 2456. remove single elements

Problem 980. Unique values without using UNIQUE function

Problem 1934. GJam 2014 China Rd B: Sudoku Checker

Problem 42780. GJam March 2016 IOW: Password Single

Problem 2699. From a given cell array of strings, extract the non-unique strings.

Problem 44079. GJam 2017 Kickstart: Leader (Large)

Problem 733. Extract Built In Functions and Toolbox Functions from String or Function Handle

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

Problem 42782. GJam March 2016 IOW: Passwords and the Block Set

Problem 952. Unique: Enhanced Performance - Avoiding Memory Crash