# Problems

1 – 50 of 142
 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

Created by: HH

1

30

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

Created by: Matteo Lo Preti

0

0

#### Problem 54770. Count the peaceful queens

Created by: ChrisR

0

8

#### Problem 48020. Find the Pattern 1

Created by: Doddy Kastanya

2

114

#### Problem 48005. number play

Created by: KATTA PRATYUSHA

0

25

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

Created by: MKN

Tags sum, sequence

3

490

#### Problem 44818. Add consecutive integer numbers

Created by: GT

Tags sum, sequence

0

45

#### Problem 48030. Find the Pattern 3

Created by: Doddy Kastanya

2

98

#### Problem 47255. Find Logic 8

Created by: Dev Gupta

Tags logic, cody, contest

2

175

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

Created by: MathReallyWorks

2

61

#### Problem 45254. Tribonacci Sequence

Created by: Asif Newaz

1

30

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

Created by: Azhar

0

57

#### Problem 47239. Find Logic 5

Created by: Dev Gupta

Tags logic, series, cody

0

38

#### Problem 42647. Recursion - Fun

Created by: Manish Joshi

0

33

#### Problem 47265. Find Logic 10

Created by: Dev Gupta

Tags logic, cody, contest

3

153

#### Problem 50953. Round up to π

Created by: ChrisR

Tags pi, sequence

1

11

Created by: HH

0

31

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

Created by: ChrisR

0

12

#### Problem 47310. Find Logic 15

Created by: Dev Gupta

Tags logic, cody, contest

2

159

#### Problem 54675. Define an arithmetic sequence

Created by: Ashley Barnes

0

10

#### Problem 45255. Find the sequence

Created by: Asif Newaz

0

21

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

Created by: Peng Liu

0

68

Created by: goc3

1

41

Created by: goc3

0

39

Created by: HH

2

24

#### Problem 48065. Find the Pattern 10

Created by: Doddy Kastanya

1

133

#### Problem 47370. Find Logic 25

Created by: Dev Gupta

Tags logic, cody, logical

0

64

#### Problem 45224. Wythoff Sequence

Created by: Asif Newaz

2

24

#### Problem 47345. Find Logic 20

Created by: Dev Gupta

Tags logic, cody, contest

3

89

#### Problem 47295. Find Logic 13

Created by: Dev Gupta

Tags logic, cody, contest

3

150

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

Created by: ChrisR

Tags sequence, sieve

0

11

#### Problem 47240. Find Logic 6

Created by: Dev Gupta

Tags logic, cody, contest

2

169

Created by: HH

3

17

#### Problem 48025. Find the Pattern 2

Created by: Doddy Kastanya

2

90

#### Problem 51002. Deduce the pattern behind the sequence

Created by: ChrisR

Tags sequence

1

12

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

Created by: ChrisR

0

13

#### Problem 44543. Normie Function

Created by: Naimul Hassan

2

26

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

Created by: Naimul Hassan

3

23

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

Created by: Asif Newaz

2

30

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

Created by: Asif Newaz

1

48

#### Problem 45339. XOR fibonacci

Created by: Asif Newaz

1

11

#### Problem 51198. Find pairs of primes with the same digit sum and a specified separation

Created by: ChrisR

1

8

#### Problem 45253. Pell numbers

Created by: Asif Newaz

2

45

#### Problem 47385. Find Logic 28

Created by: Dev Gupta

1

56

#### Problem 47350. Find Logic 21

Created by: Dev Gupta

Tags logic, cody, logical

1

70

#### Problem 47275. Find Logic 12

Created by: Dev Gupta

Tags logic, cody, contest

1

143

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

Created by: Ramon Villamangca

Tags easy, series, simple

1

8

#### Problem 47270. Find Logic 11

Created by: Dev Gupta

Tags logic, cody, contest

1

148

1 – 50 of 142