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51 – 100 of 521

Problem 1472. nth Rational Number

Created by: G K

Tags math

3

Solutions

45

Size

3

Solutions

45

Size

Problem 2734. N-th Odious

Created by: Jan Orwat

Tags number theory, oeis, pop series

2

Solutions

25

Size

2

Solutions

25

Size

Problem 2733. Evil Number

Created by: Jan Orwat

Tags easy, number theory, oeis

2

Solutions

16

Size

2

Solutions

16

Size

Problem 2248. Bell Number calculator

Created by: robin

Tags sets, partition

2

Solutions

51

Size

2

Solutions

51

Size

Problem 1771. Polygonal numbers

Created by: Jan Orwat

Tags number theory, sequence, polygonal

1

Solution

23

Size

1

Solution

23

Size

Problem 139. Determine if a Given Number is a Triangle Number

Created by: @bmtran (Bryant Tran)

Tags triangle numbers

1

Solution

27

Size

1

Solution

27

Size

Problem 1997. Compute Fibonacci Number

Created by: Alex

Tags numbers, fibonacci

2

Solutions

16

Size

2

Solutions

16

Size

Problem 2690. Armstrong Number

Created by: VIVEK RUHELA

Tags arithmetic, basic matlab

1

Solution

22

Size

1

Solution

22

Size

Problem 2819. Find the 9's Complement

Created by: Pritesh Shah

Tags matlab

2

Solutions

15

Size

2

Solutions

15

Size

Problem 1477. Champernowne Constant

Created by: G K

Tags math

1

Solution

18

Size

1

Solution

18

Size

Problem 273. Recurring Cycle Length (Inspired by Project Euler Problem 26)

Created by: @bmtran (Bryant Tran)

Tags project euler, digits, decimals

2

Solutions

69

Size

2

Solutions

69

Size

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

1

Solution

68

Size

1

Solution

68

Size

Problem 1082. Lychrel Number Test (Inspired by Project Euler Problem 55)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

3

Solutions

68

Size

3

Solutions

68

Size

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

Created by: Marco Castelli

Tags matlab, find, sum

1

Solution

38

Size

1

Solution

38

Size

Problem 1162. Happy 2013...

Created by: James

Tags new year, different digits, 2013

1

Solution

29

Size

1

Solution

29

Size

Problem 170. First N Perfect Squares

Created by: @bmtran (Bryant Tran)

Tags math, perfect squares, integers

1

Solution

13

Size

1

Solution

13

Size

Problem 1012. Determine if input is a perfect number

Created by: Binbin Qi

Tags mod sum, perfect

1

Solution

24

Size

1

Solution

24

Size

Problem 166. Kaprekar numbers

Created by: the cyclist

Tags kaprekar

1

Solution

47

Size

1

Solution

47

Size

Problem 156. Parasitic numbers

Created by: the cyclist

Tags parasitic

1

Solution

20

Size

1

Solution

20

Size

Problem 45229. Bell Triangle

Created by: Asif Newaz

Tags number, matrix, Magic Numbers

1

Solution

48

Size

1

Solution

48

Size

Problem 45223. find nth even fibonacci number

Created by: Asif Newaz

Tags series, number, fibonacci

5

Solutions

40

Size

5

Solutions

40

Size

Problem 2593. Polite numbers. N-th polite number.

Created by: Jan Orwat

Tags number theory, a138591

2

Solutions

24

Size

2

Solutions

24

Size

Problem 2595. Polite numbers. Politeness.

Created by: Jan Orwat

Tags number theory, oeis

3

Solutions

32

Size

3

Solutions

32

Size

Problem 2061. Narcissistic number ?

Created by: Jean-Marie Sainthillier

Tags narcissistic

1

Solution

22

Size

1

Solution

22

Size

Problem 1407. Is it an Armstrong number?

Created by: Harish Maradana

Tags armstrong no

2

Solutions

16

Size

2

Solutions

16

Size

Problem 1008. Determine if input is a Narcissistic number

Created by: Binbin Qi

Tags mod floor

1

Solution

22

Size

1

Solution

22

Size

Problem 45250. Be happy

Created by: Asif Newaz

Tags number, happy

5

Solutions

33

Size

5

Solutions

33

Size

Problem 45249. Frugal number

Created by: Asif Newaz

Tags number, frugal, economical

5

Solutions

23

Size

5

Solutions

23

Size

Problem 45253. Pell numbers

Created by: Asif Newaz

Tags number, sequence, pell

3

Solutions

17

Size

3

Solutions

17

Size

Problem 2056. Is this number Munchhausen?

Created by: Ted

Tags math, narcissistic number, munchhausen

1

Solution

30

Size

1

Solution

30

Size

Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

2

Solutions

24

Size

2

Solutions

24

Size

Problem 44836. Iccanobif numbers 1

Created by: James

Tags fibonacci, iccanobif

2

Solutions

49

Size

2

Solutions

49

Size

Problem 44360. Pentagonal Numbers

Created by: goc3

Tags series, number, sequence

2

Solutions

41

Size

2

Solutions

41

Size

Problem 45191. generate nth pentatope number

Created by: Asif Newaz

Tags number, pentatope

3

Solutions

25

Size

3

Solutions

25

Size

Problem 45192. check whether a number is a pentatope number

Created by: Asif Newaz

Tags pentatope

4

Solutions

46

Size

4

Solutions

46

Size

Problem 44748. Amicable numbers

Created by: vandeleeuw

Tags number theory, divisors

4

Solutions

39

Size

4

Solutions

39

Size

Problem 59611. Remove a specific column with max value

Created by: Zaid Al-Dailami

Tags indexing, find

1

Solution

19

Size

1

Solution

19

Size

Problem 59606. Remove a specific row with min value

Created by: Zaid Al-Dailami

Tags indexing, find

1

Solution

20

Size

1

Solution

20

Size

Problem 59601. Remove a specific row with max value

Created by: Zaid Al-Dailami

Tags find

2

Solutions

20

Size

2

Solutions

20

Size

Problem 59616. Remove a specific column with min value

Created by: Zaid Al-Dailami

Tags indexing, find

1

Solution

19

Size

1

Solution

19

Size

Problem 59566. Find Rows with Specift Properities

Created by: Zaid Al-Dailami

Tags find

1

Solution

24

Size

1

Solution

24

Size

Problem 43565. Remove all the columns contains only zero

Created by: Stalin Samuel

Tags matrix, basic matlab, single test case

1

Solution

17

Size

1

Solution

17

Size

Problem 44430. remove every row&col for every nan

Created by: jean claude

Tags matrix manipulation, nan

3

Solutions

33

Size

3

Solutions

33

Size

Problem 45839. Column Removal (★★★)

Created by: Anirban Pal

Tags matrix manipulation

1

Solution

15

Size

1

Solution

15

Size

Problem 42438. row removal

Created by: Vidushi Jain

Tags matrix

1

Solution

14

Size

1

Solution

14

Size

Problem 227. Math with Roman Numerals

Created by: eric landiech

Tags encoding

1

Solution

106

Size

1

Solution

106

Size

Problem 603. Decode a simplified barcode

Created by: Doug Hull

Tags ml101

1

Solution

31

Size

1

Solution

31

Size

Problem 602. Make a simplified barcode

Created by: Doug Hull

Tags ml101

2

Solutions

48

Size

2

Solutions

48

Size

Problem 1748. Ripping numbers apart!

Created by: Chris E.

Tags matrix manipulation, string manipulation

2

Solutions

29

Size

2

Solutions

29

Size

Problem 1871. Numbers in extended form

Created by: James

Tags place value, extended form, third grade math

3

Solutions

35

Size

3

Solutions

35

Size

51 – 100 of 521