# Problems

1 – 22 of 22
 Problem Title Likes Solvers Difficulty

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

Created by: Swapnali Gujar

5

482

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

Created by: Aurelien Queffurust

5

489

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

Created by: Selvaraaju Murugesan

Tags vectors, qmf

4

380

#### Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

7

584

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

Created by: Shahid Ali Murtza

8

374

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

Created by: Jeremy

5

539

#### Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

7

623

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

Created by: Daniel Pereira

6

441

5

552

#### Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

8

290

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

Created by: Aurelien Queffurust

Tags unique, stable

3

234

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

Created by: Youssef Khmou

Tags maximum

7

265

#### Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

2

176

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

Created by: Matthew Eicholtz

10

336

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

Created by: Robert Weinberg

8

206

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

Created by: Doug Hull

39

5765

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

Created by: Chris E.

8

250

#### Problem 972. Set a diagonal

Created by: Nicholas Howe

5

198

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

Created by: Chris E.

9

248

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

Created by: Binbin Qi

Tags zeros, for, ones

88

6623

#### Problem 1092. Decimation

Created by: James

15

174

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

Created by: James

8

121

1 – 22 of 22