# Problems

1 – 38 of 38
 Problem Title Likes Solvers Difficulty

#### Problem 2094. Sum of diagonals elements of a matrix

Created by: Swapnali Gujar

Tags sum, diagonals

3

207

#### Problem 45384. Sum! Sum! Sum!

Created by: Asif Newaz

2

36

#### Problem 44530. Are you more familiar with iteration methods or Linear Algebra? Let's see together.

Created by: Riccardo Dessì

Tags math, basic, matlab

1

24

#### Problem 43100. Add Me To Death (Sum sum sum)

Created by: Jamil Kasan

8

64

#### Problem 54825. Find two numbers that add up to the target value

Created by: Rokas

Tags find, sum

7

12

#### Problem 1090. Create a random logical vector of N elements of which M are true.

Created by: J-G van der Toorn

Tags binary, logical, sum

1

96

#### Problem 2581. Sum of series VII

Created by: Grzegorz Knor

Tags series, sum

10

669

#### Problem 1089. Create a random vector of integers with given sum

Created by: J-G van der Toorn

Tags vector, random, sum

2

45

#### Problem 2084. Sum Rows

Created by: Mehmet OZC

Tags sum, index

1

64

#### Problem 43019. Iterative sum of digits of 2^n number

Created by: elias GR

0

28

#### Problem 1281. Fermat's Last Theorem - Fermat's conjecture

Created by: Marco Castelli

Tags matlab, find, sum

3

89

#### Problem 1164. Sum the Digits of a Number

Created by: Joseph Kirk

Tags digits, sum

6

267

#### Problem 44523. Pattern Sum

Created by: Dishant Varshney

2

195

#### Problem 42384. Combined Ages 2 - Symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

2

99

#### Problem 43041. Some tweaks in summation, Can you decode? :)

Created by: Jamil Kasan

8

36

#### Problem 45377. Maya - 03

Created by: Asif Newaz

Tags numbers, sum, maya

2

8

#### Problem 44456. Sum of combinations

Created by: Pramit Biswas

Tags sum

1

14

#### Problem 51975. Compute a sum of Ramanujan

Created by: ChrisR

2

10

#### Problem 52085. Compute a sum involving the totient over divisors of a number

Created by: ChrisR

0

6

#### Problem 367. Specific Element Count

Created by: @bmtran (Bryant Tran)

7

823

Created by: HH

0

33

#### Problem 47058. Determine the Zeckendorf expansion of a number

Created by: ChrisR

2

11

#### Problem 45761. Sum of terms in a series 1 (★★★)

Created by: Anirban Pal

Tags series, sum

0

48

Created by: Omer

1

20

#### Problem 52125. Compute the sum of reciprocals of quadratics

Created by: ChrisR

2

10

Created by: Omer

2

24

#### Problem 568. Number of 1s in a binary string

Created by: Srivardhini

Tags binary, sum

53

6520

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

34

6914

#### Problem 49840. Our Dad went to Buy a car But the car seller can't think the easiest way to get the car out Give Him a solution!

Created by: Lesandu Wenitha Sugathadasa

Tags easy, matlab, matrix

1

4

#### Problem 42935. Sums of cubes and squares of sums

Created by: John D'Errico

9

203

#### Problem 47415. List ways to reach a target sum

Created by: ChrisR

2

4

#### Problem 52497. Easy Sequences 3: Prime 44-number Squares

Created by: Ramon Villamangca

1

23

#### Problem 42385. Combined Ages 4 - Non-symmetric with multiples, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

1

56

#### Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

4

489

#### Problem 45428. Minimal Path - 01

Created by: Asif Newaz

Tags sum, path

0

9

#### Problem 885. Create logical matrix with a specific row and column sums

Created by: Amro

Tags matrix, logical, sum

16

284

#### Problem 42383. Combined Ages 3 - Non-symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

4

57

#### Problem 57540. Repeatitive Summation

Created by: Dyuman Joshi

Tags indexing, sum, array

2

5

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