# Problems

1 – 50 of 149
 Problem Title Likes Solvers Difficulty

#### Problem 1901. GJam 2014 China Rd A: Read Phone Number

Created by: Richard Zapor

1

10

#### Problem 1902. GJam 2014 China Rd A: Read Phone Number (Large)

Created by: Richard Zapor

2

8

#### Problem 46669. Rotation matrix of a sequence of 3D points

Created by: Matteo Lo Preti

0

0

#### Problem 48005. number play

Created by: KATTA PRATYUSHA

1

36

#### Problem 44225. Sum of self power series

Created by: MathReallyWorks

2

70

#### Problem 1655. Sum of first n positive integers

Created by: MKN

Tags sum, sequence

3

518

Created by: HH

1

37

#### Problem 42715. Throw common elements of two vector arrays in sorted manner

Created by: Azhar

0

61

#### Problem 54675. Define an arithmetic sequence

Created by: Ashley Barnes

1

20

#### Problem 48030. Find the Pattern 3

Created by: Doddy Kastanya

3

111

#### Problem 48020. Find the Pattern 1

Created by: Doddy Kastanya

3

130

Created by: HH

0

35

#### Problem 50953. Round up to π

Created by: ChrisR

Tags pi, sequence

2

15

#### Problem 47255. Find Logic 8

Created by: Dev Gupta

Tags logic, cody, contest

2

230

#### Problem 44818. Add consecutive integer numbers

Created by: GT

Tags sum, sequence

0

52

#### Problem 43684. 0, 2, 0, -2, 0, 2, 0, -2, ...

Created by: Peng Liu

0

74

Created by: goc3

1

44

Created by: goc3

0

42

#### Problem 54770. Count the peaceful queens

Created by: ChrisR

1

27

#### Problem 48065. Find the Pattern 10

Created by: Doddy Kastanya

2

147

#### Problem 47239. Find Logic 5

Created by: Dev Gupta

Tags logic, series, cody

0

46

#### Problem 45254. Tribonacci Sequence

Created by: Asif Newaz

1

35

#### Problem 47265. Find Logic 10

Created by: Dev Gupta

Tags logic, cody, contest

3

205

#### Problem 47310. Find Logic 15

Created by: Dev Gupta

Tags logic, cody, contest

2

205

#### Problem 47370. Find Logic 25

Created by: Dev Gupta

Tags logic, cody, logical

0

102

#### Problem 45339. XOR fibonacci

Created by: Asif Newaz

1

14

#### Problem 45255. Find the sequence

Created by: Asif Newaz

0

25

#### Problem 56240. List numbers that are not squares

Created by: ChrisR

1

13

#### Problem 47295. Find Logic 13

Created by: Dev Gupta

Tags logic, cody, contest

3

190

#### Problem 42647. Recursion - Fun

Created by: Manish Joshi

0

39

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

Created by: Asif Newaz

2

35

#### Problem 47345. Find Logic 20

Created by: Dev Gupta

Tags logic, cody, contest

3

131

#### Problem 52779. Easy Sequences 25: Product of Series

Created by: Ramon Villamangca

Tags easy, series, simple

2

12

#### Problem 45224. Wythoff Sequence

Created by: Asif Newaz

2

28

#### Problem 44543. Normie Function

Created by: Naimul Hassan

2

27

#### Problem 48025. Find the Pattern 2

Created by: Doddy Kastanya

3

107

#### Problem 50913. Compute the nth term from the golden sieve

Created by: ChrisR

Tags sequence, sieve

1

14

#### Problem 47240. Find Logic 6

Created by: Dev Gupta

Tags logic, cody, contest

2

220

#### Problem 44544. Normie Function (2)

Created by: Naimul Hassan

3

23

#### Problem 51274. Solve a nonlinear difference equation

Created by: ChrisR

1

16

#### Problem 45253. Pell numbers

Created by: Asif Newaz

2

47

#### Problem 51820. Count unique orderings of vertices of a polygon

Created by: ChrisR

1

14

#### Problem 47385. Find Logic 28

Created by: Dev Gupta

1

86

#### Problem 47350. Find Logic 21

Created by: Dev Gupta

Tags logic, cody, logical

1

107

Created by: HH

2

27

#### Problem 45223. find nth even fibonacci number

Created by: Asif Newaz

1

50

#### Problem 45367. Sieve of Eratosthenes - 02

Created by: Asif Newaz

1

14

#### Problem 53120. Compute the Sequence of the Day

Created by: ChrisR

Tags sequence

7

15

#### Problem 47275. Find Logic 12

Created by: Dev Gupta

Tags logic, cody, contest

1

178

#### Problem 47270. Find Logic 11

Created by: Dev Gupta

Tags logic, cody, contest

2

186

1 – 50 of 149