# Problems

51 – 100 of 163
 Problem Title Likes Solvers Difficulty

#### Problem 43569. Avengers Assemble!

Created by: Jamil Kasan

1

43

#### Problem 44821. Scalar Matrix Manipulation

Created by: Rafi Ahmed

1

44

#### Problem 42590. Divide elements by sum of elements

Created by: Mehmet OZC

2

115

#### Problem 2178. Matrix multiplication across rows

Created by: Swapnali Gujar

4

263

#### Problem 44450. Create a magic square matrix for a given odd integer

Created by: Sushovan Basu

1

34

#### Problem 44624. Return median of a matrix

Created by: Srishti Saha

0

60

1

24

#### Problem 43964. Vector to 3-Column Matrix

Created by: Abdullah Caliskan

3

87

#### Problem 943. "mirror" matrix

Created by: Grzegorz Knor

6

510

5

87

#### Problem 876. Sum the entries of each column of a matrix which satisfy a logical condition.

Created by: Ken Deeley

3

151

#### Problem 44739. Return all matrix elements except elements on diagonal

Created by: Suraj Gurav

2

46

#### Problem 1759. Find same numbers touching each other...

Created by: Chris E.

0

52

#### Problem 42335. Min by mean

Created by: Jose Fernandez

0

50

#### Problem 42802. Rolling maximums above a threshold

Created by: James

1

28

#### Problem 43027. Gaussian elimination

Created by: Jamil Kasan

8

11

#### Problem 43122. Upper Matrix Mock

Created by: Jamil Kasan

9

59

#### Problem 44887. Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:

Created by: Yoav Shallev

1

145

#### Problem 44737. Get the combinations

Created by: Suraj Gurav

2

36

#### Problem 56453. Multiply each matrix element by its row index and add its column index.

Created by: Stefan Abendroth

1

12

#### Problem 44419. 対称で、n*2n のサイズの行列を作成しましょう

Created by: mizuki

5

225

4

65

#### Problem 42854. Crunch that matrix!

Created by: James

1

78

#### Problem 44430. remove every row&col for every nan

Created by: jean claude

0

35

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

Created by: Aurelien Queffurust

4

332

#### Problem 2668. Assign matrix elements to separate variables

Created by: Matthew Eicholtz

2

40

#### Problem 2701. Go to the head of the class!

Created by: James

2

106

#### Problem 45417. Fault in our Stars - 02

Created by: Asif Newaz

2

12

#### Problem 56180. Boustrophedon

Created by: Ben Placek

1

51

#### Problem 1719. Dice face matrix!

Created by: Chris E.

4

87

#### Problem 2669. Assign matrix rows/columns to separate variables

Created by: Matthew Eicholtz

2

34

#### Problem 2045. Only once: cleaning up your columns

Created by: J-G van der Toorn

1

30

#### Problem 45421. Abelian Sandpile - 02

Created by: Asif Newaz

0

15

#### Problem 47164. Red Cross ❌

Created by: Abhishek Sharma

0

22

#### Problem 44443. Matrix to vector transformation

Created by: jean claude

1

35

#### Problem 42876. Rotate Matrix @180 degree

Created by: Pritesh Shah

5

835

#### Problem 42646. Matrix FUN

Created by: Manish Joshi

3

146

#### Problem 1100. Design matrix from eigenvalues

Created by: Christoph

0

13

#### Problem 2644. The Ulam Matrix

Created by: Giuseppe Cardillo

4

41

#### Problem 45271. Calculate triangle area

Created by: Jean Baptiste Joseph

1

12

#### Problem 54715. Weird Diagonal Matrix!!

Created by: Nayeb Hasin

0

16

#### Problem 1853. Enlarge array

Created by: Matthew Eicholtz

5

206

#### Problem 44854. Alternating 1´s and 0´s in a matrix

Created by: Jesús Zambrano

0

22

#### Problem 45399. ZigZag - 01

Created by: Asif Newaz

0

30

#### Problem 46716. Matrix with increasing numbers (★★★★)

Created by: Anirban Pal

1

32

#### Problem 2493. Must be in the front row...

Created by: James

3

110

#### Problem 45403. ZigZag - 03

Created by: Asif Newaz

3

19

#### Problem 818. Change a specific color in an image

Created by: Matthew Eicholtz

3

66

#### Problem 2592. LocateMembership | Membership of Matrix in another matrix

Created by: Vishal

3

20

#### Problem 42763. Fill the Matrix - 2

Created by: Mehmet OZC

1

49

51 – 100 of 163