# Problems

1 – 22 of 22
 Problem Title Likes Solvers Difficulty

#### Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

6

560

#### Problem 888. Create a vector whose elements depend on the previous element

Created by: Aurelien Queffurust

6

544

#### Problem 1038. Change the sign of even index entries of the reversed vector

Created by: Selvaraaju Murugesan

Tags vectors, qmf

4

432

#### Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

8

712

#### Problem 1430. Create an n-by-n null matrix and fill with ones certain positions

Created by: Daniel Pereira

6

482

#### Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

7

677

#### Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

Created by: Shahid Ali Murtza

8

473

#### Problem 1229. Determine the number of odd integers in a vector

Created by: Jeremy

5

600

6

639

#### Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

8

324

#### Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

3

261

#### Problem 1273. Max index of 3D array

Created by: Youssef Khmou

Tags maximum

8

293

#### Problem 1401. Implement a bubble sort technique and output the number of swaps required

Created by: Robert Weinberg

9

226

#### Problem 645. Getting the indices from a vector

Created by: Doug Hull

48

7084

#### Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

10

396

#### Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

2

199

#### Problem 1678. Count consecutive 0's in between values of 1

Created by: Chris E.

8

311

#### Problem 972. Set a diagonal

Created by: Nicholas Howe

5

224

#### Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

12

312

#### Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4

Created by: Binbin Qi

Tags zeros, for, ones

106

8163

#### Problem 1092. Decimation

Created by: James

18

197

#### Problem 1940. Decimation - Optimized for speed

Created by: James

9

138

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