# Problems

1 – 23 of 23
 Problem Title Likes Solvers Difficulty

#### Problem 2145. Find the index of n in magic(n)

Created by: Koteswar Rao Jerripothula

Tags magic, matrix

4

207

#### Problem 2476. Max Change in Consecutive Elements

Created by: Chandan singh

3

126

#### Problem 2235. Back to basics - mean of corner elements of a matrix

Created by: Swapnali Gujar

3

360

#### Problem 2129. Sum of odd numbers in a matrix

Created by: Koteswar Rao Jerripothula

1

437

#### Problem 2560. expand intervals vol.2

Created by: Jan Orwat

2

90

#### Problem 1923. Find the maximum two numbers of every column of a matrix

Created by: Binbin Qi

Tags max

1

175

#### Problem 2158. Largest territory

Created by: CHEONNO LEE

2

85

#### Problem 1985. How unique?

Created by: Jan Orwat

1

108

#### Problem 2200. counting groups!

Created by: Chris E.

2

115

#### Problem 1986. Another colon problem

Created by: Jan Orwat

3

131

#### Problem 2528. expand intervals

Created by: Guillaume

3

114

#### Problem 2153. Replace pattern 0 1 0 and 1 0 1

Created by: Anette

1

113

#### Problem 2545. compress sequence into intervals

Created by: Guillaume

1

72

#### Problem 1812. Tridiagonal

Created by: Disha

Tags matrices

2

128

#### Problem 574. Sort numbers by outside digits

Created by: Michael Katz

2

140

#### Problem 2228. Time Expansion

Created by: Abdullah Caliskan

3

150

#### Problem 2456. remove single elements

Created by: rifat

1

80

#### Problem 1961. Finding neighbors of [-1:1] in a matrix....

Created by: Chris E.

2

68

Created by: G K

Tags math

1

99

#### Problem 2561. expand intervals vol.3

Created by: Jan Orwat

1

59

#### Problem 2225. Three...is a magic number.

Created by: James

3

75

#### Problem 2091. return row and column indices given 2 values which define a range

Created by: Marcel

2

62

#### Problem 1896. Index one element in each vector of an array along a given dimension

Created by: Oliver Woodford

Tags indexing

8

44

1 – 23 of 23