# Problems

1 – 22 of 22
 Problem Title Likes Solvers Difficulty

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

Created by: Swapnali Gujar

7

637

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

Created by: Aurelien Queffurust

6

595

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

Created by: Selvaraaju Murugesan

Tags vectors, qmf

4

477

#### Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

7

719

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

Created by: Daniel Pereira

6

524

6

707

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

Created by: Jeremy

5

649

#### Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

10

846

#### Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

8

355

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

Created by: Shahid Ali Murtza

9

581

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

Created by: Aurelien Queffurust

Tags unique, stable

3

295

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

Created by: Youssef Khmou

Tags maximum

8

312

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

Created by: Robert Weinberg

9

253

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

Created by: Doug Hull

53

8275

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

Created by: Matthew Eicholtz

10

455

#### Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

2

216

#### Problem 972. Set a diagonal

Created by: Nicholas Howe

6

250

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

Created by: Chris E.

10

360

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

Created by: Chris E.

12

353

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

Created by: Binbin Qi

Tags zeros, for, ones

114

9571

#### Problem 1092. Decimation

Created by: James

18

219

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

Created by: James

9

150

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