# Problems

1 – 16 of 16
 Problem Title Likes Solvers Difficulty

#### Problem 411. Back to basics 21 - Matrix replicating

Created by: Alan Chalker

5

1437

#### Problem 413. Back to basics 23 - Triangular matrix

Created by: Alan Chalker

7

940

#### Problem 1129. Reverse the elements of an array

Created by: HARISANKAR PS

6

971

#### Problem 545. Flip the main diagonal of a matrix

Created by: Bruce Raine

Tags magic, diagonal

7

769

#### Problem 611. surrounded matrix

Created by: Grzegorz Knor

Tags matrices

5

1152

#### Problem 794. Matrix with different incremental runs

Created by: Aurelien Queffurust

4

471

#### Problem 300. Remove NaN ?

Created by: Julio

Tags matrix, logical

11

1152

#### Problem 497. Make an awesome ramp for a tiny motorcycle stuntman

Created by: Stephen

Tags stunt ramp

6

600

#### Problem 798. Rotate input square matrix 90 degrees CCW without rot90

Created by: Christopher

5

587

#### Problem 858. Permute diagonal and antidiagonal

Created by: Jean-Marie Sainthillier

Tags matrix, diag

6

421

#### Problem 1042. Operate on matrices of unequal, yet similar, size

Created by: J-G van der Toorn

1

179

#### Problem 792. Set some matrix elements to zero

Created by: Aurelien Queffurust

6

502

#### Problem 796. Removing rows from a matrix is easy - but what about inserting rows?

Created by: Dirk Engel

2

202

#### Problem 112. Remove the air bubbles

Created by: Ned Gulley

19

1090

#### Problem 375. N-Dimensional Array Slice

Created by: @bmtran (Bryant Tran)

Tags indexing

12

202

#### Problem 782. Some Assembly Required

Created by: James

7

87

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