# Problems

1 – 24 of 24
 Problem Title Likes Solvers Difficulty

#### Problem 2270. Bit calculation

Created by: Debopam

3

170

#### Problem 45253. Pell numbers

Created by: Asif Newaz

2

47

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

Created by: Asif Newaz

1

50

#### Problem 45250. Be happy

Created by: Asif Newaz

Tags number, happy

2

21

#### Problem 45246. Count digits

Created by: Asif Newaz

Tags count, number

3

23

#### Problem 2283. Convert a number to its Roman representation

Created by: Debopam

1

31

#### Problem 54490. perfect square

Created by: CXD

Tags square, number

0

5

#### Problem 43584. Find Pseudo-Cyclic Number

Created by: Jaeho Seol

Tags number, cyclic

5

25

Created by: goc3

2

51

Created by: goc3

11

625

Created by: goc3

4

50

#### Problem 45376. Maya - 02

Created by: Asif Newaz

1

8

#### Problem 45229. Bell Triangle

Created by: Asif Newaz

1

33

#### Problem 45267. Zero

Created by: Asif Newaz

1

21

#### Problem 45234. Calculating large fibonacci numbers

Created by: Martin C.

2

24

#### Problem 172. Test if a Number is a Palindrome without using any String Operations

Created by: @bmtran (Bryant Tran)

4

199

Created by: goc3

4

41

#### Problem 45249. Frugal number

Created by: Asif Newaz

2

31

#### Problem 45343. How lucky r u ?

Created by: Asif Newaz

2

12

#### Problem 45487. Check Digit - 02

Created by: Asif Newaz

Tags number, isbn

1

14

Created by: goc3

7

302

#### Problem 45251. Last non-zero digit

Created by: Asif Newaz

1

27

#### Problem 44293. Write out numbers in words

Created by: Mehmet OZC

1

13

#### Problem 54089. Ramanujan's Number

Created by: Mehmet OZC

0

7

1 – 24 of 24