# Problems

1 – 50 of 59
 Problem Title Likes Solvers Difficulty

#### Problem 2254. Possible Opponents Matrix for single-elimination tournament

Created by: Paul Berglund

3

10

#### Problem 42346. Create a Matrix of Zeros

Created by: Sarah McDonald

6

497

#### Problem 44613. Find NaNs in the matrix

Created by: Srishti Saha

0

59

#### Problem 1926. Unit Matrix

Created by: Prateek Reddy

1

451

#### Problem 44687. basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix

Created by: Srishti Saha

0

53

#### Problem 44740. New Matrix with vector addition on diagonal

Created by: Suraj Gurav

0

40

#### Problem 44634. Basic matrix operations using standard MATLAB commands

Created by: Srishti Saha

1

45

#### Problem 43272. Implement zero-based indexing for Matrices

Created by: Jamil Kasan

9

71

#### Problem 412. Back to basics 22 - Rotate a matrix

Created by: Alan Chalker

5

857

#### Problem 44447. Eye Squared

Created by: Shaul Salomon

Tags matrices, 22105

2

215

#### Problem 46105. Find sum of numbers on the cornice of a matrix.

Created by: Riccardo Consolo

1

49

#### Problem 44546. Calculating the total earnings of a factory

Created by: Srishti Saha

1

44

#### Problem 54440. Create an arrow matrix

Created by: Ben Placek

2

149

#### Problem 2350. What is Sum Of all elements of Matrix

Created by: Vishal

2

369

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

Created by: Alan Chalker

5

1244

#### Problem 44842. Double the next!

Created by: Jesús Zambrano

1

47

#### Problem 1171. matrix of natural number

Created by: Aritra Chatterjee

Tags matrices

1

256

#### Problem 44401. Vertical matrix sort

Created by: Shaul Salomon

1

316

#### Problem 42457. Get the array of sum for three consecutive numbers in an array

Created by: Swapnil Kulkarni

Tags matrices

0

65

#### Problem 44671. find number of times of occurrence of the most frequent number in a row vector

Created by: Srishti Saha

2

52

#### Problem 42456. Create an array (n,n) where only diagonal elements are '1' and others are '0'

Created by: Swapnil Kulkarni

Tags matrices

0

77

#### Problem 44973. Create a "+" flag

Created by: Kiran Ramsaroop

4

32

#### Problem 45173. Create the flag of Ramumbia

Created by: Kiran Ramsaroop

3

13

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

Created by: Alan Chalker

6

778

#### Problem 44635. Repetition of matrices

Created by: Srishti Saha

0

51

#### Problem 45502. Basic Operation with the middle number of odd matrix

Created by: Muhammad Usman

1

24

#### Problem 1671. Generate the Matrix!

Created by: JeremyR

4

118

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

Created by: Srishti Saha

0

59

#### Problem 43073. Check if a matrix is a palindrome in all directions

Created by: Mohammad Haghighat

4

85

#### Problem 43122. Upper Matrix Mock

Created by: Jamil Kasan

9

59

#### Problem 1812. Tridiagonal

Created by: Disha

Tags matrices

2

128

#### Problem 2290. チェッカーボードを作ろう

Created by: mizuki

5

289

#### Problem 44665. Percentage of zeros in a matrix of only 1s and 0s

Created by: Srishti Saha

2

55

#### Problem 42646. Matrix FUN

Created by: Manish Joshi

3

143

#### Problem 44402. Horizontal matrix sort

Created by: Shaul Salomon

2

315

#### Problem 44468. Diagonal Pattern

Created by: Shaul Salomon

1

45

#### Problem 44496. vector indexes for a matrix

Created by: Kodavati Mahendra

0

30

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

Created by: Jesús Zambrano

0

22

#### Problem 44446. Add a vector to a matrix

Created by: Shaul Salomon

Tags matrices, 22105

2

179

#### Problem 45172. Cross ("+") flag returns

Created by: Kiran Ramsaroop

0

16

#### Problem 2303. Compute Hamming distances between each pair of rows from two input matrices

Created by: Ryszard Maciol

1

14

#### Problem 611. surrounded matrix

Created by: Grzegorz Knor

Tags matrices

5

984

#### Problem 514. Spot the rectangle (Part 2)

Created by: Ned Gulley

Tags matrices, 17x17

4

70

#### Problem 44063. Make a rainbow matrix (follow-up to checkerboard matrix)

Created by: Jihye Sofia Seo

1

56

#### Problem 512. Spot the rectangle

Created by: Ned Gulley

Tags matrices, 17x17

2

95

#### Problem 312. Better bullseye matrix

Created by: Alan Chalker

Tags matrices

2

211

#### Problem 45171. Squares in Squares - Concentric Squares

Created by: Reece Blunt

1

15

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

92

13706

#### Problem 14. Find the numeric mean of the prime numbers in a matrix.

Created by: Cody Team

Tags easy, matrices

43

7968

#### Problem 45402. Find an overlap in the cleaning schedule of two tank reactors

Created by: Karl Ezra Pilario

2

40

1 – 50 of 59