Cody

# guoping qiu

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1 – 50 of 138

#### Problem 1012. Determine if input is a perfect number

Created by: Binbin Qi

#### Problem 1008. Determine if input is a Narcissistic number

Created by: Binbin Qi

Tags mod floor

#### Problem 525. Mersenne Primes

Created by: Drew Weymouth

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

Created by: @bmtran (Bryant Tran)

#### Problem 170. First N Perfect Squares

Created by: @bmtran (Bryant Tran)

#### Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by: Doug Hull

#### Problem 239. Project Euler: Problem 5, Smallest multiple

Created by: Doug Hull

#### Problem 246. Project Euler: Problem 8, Find largest product in a large string of numbers

Created by: Doug Hull

#### Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

#### Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

#### Problem 250. Project Euler: Problem 10, Sum of Primes

Created by: Doug Hull

#### Problem 234. Project Euler: Problem 3, Largest prime factor

Created by: Doug Hull

#### Problem 230. Project Euler: Problem 1, Multiples of 3 and 5

Created by: Doug Hull

#### Problem 566. Sum of first n terms of a harmonic progression

Created by: Srivardhini

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

#### Problem 48. Making change

Created by: Cody Team

Tags money

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

#### Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

#### Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

#### Problem 15. Find the longest sequence of 1's in a binary sequence.

Created by: Cody Team

#### Problem 41. Cell joiner

Created by: Cody Team

Tags matlab, strings

#### Problem 37. Pascal's Triangle

Created by: Cody Team

#### Problem 29. Nearest Numbers

Created by: Cody Team

#### Problem 16. Return the largest number that is adjacent to a zero

Created by: Cody Team

Tags vectors

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

#### Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

#### Problem 30. Sort a list of complex numbers based on far they are from the origin.

Created by: Cody Team

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

#### Problem 9. Who Has the Most Change?

Created by: Cody Team

#### Problem 21. Return the 3n+1 sequence for n

Created by: Cody Team

Tags 3n+1, sample

#### Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

#### Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

#### Problem 14. Find the numeric mean of the prime numbers in a matrix.

Created by: Cody Team

Tags easy, matrices

#### Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

#### Problem 12. Fibonacci sequence

Created by: Cody Team

#### Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

#### Problem 19. Swap the first and last columns

Created by: Cody Team

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

#### Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN

Created by: Cody Team

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle

#### Problem 7. Column Removal

Created by: Cody Team

#### Problem 6. Select every other element of a vector

Created by: Cody Team

#### Problem 26. Determine if input is odd

Created by: Cody Team

1 – 50 of 138