# Problems

51 – 81 of 81
 Problem Title Likes Solvers Difficulty

#### Problem 2581. Sum of series VII

Created by: Grzegorz Knor

Tags series, sum

9

581

#### 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

94

#### 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

87

#### Problem 2084. Sum Rows

Created by: Mehmet OZC

Tags sum, index

1

63

#### Problem 44523. Pattern Sum

Created by: Dishant Varshney

2

192

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

Created by: Joseph Kirk

Tags digits, sum

6

261

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

Created by: Jamil Kasan

8

35

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

Created by: goc3

Tags matrix, sum, linear

2

98

#### 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 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

12

#### Problem 367. Specific Element Count

Created by: @bmtran (Bryant Tran)

6

809

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

Created by: ChrisR

2

11

Created by: Omer

1

20

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

Created by: Anirban Pal

Tags series, sum

0

47

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

Created by: ChrisR

2

10

Created by: HH

0

32

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

Created by: Srivardhini

Tags binary, sum

52

6101

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

33

6786

#### 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!

Tags easy, matlab, matrix

1

4

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

Created by: John D'Errico

8

198

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

Created by: Ramon Villamangca

1

22

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

Created by: ChrisR

2

4

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

Created by: goc3

Tags matrix, sum, linear

1

55

Created by: Omer

2

22

#### Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

4

484

#### 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

281

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

Created by: goc3

Tags matrix, sum, linear

4

56

51 – 81 of 81