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51 – 100 of 106

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

1

Solution

32

Size

1

Solution

32

Size

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

1

Solution

27

Size

1

Solution

27

Size

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

1

Solution

16

Size

1

Solution

16

Size

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

2

Solutions

18

Size

2

Solutions

18

Size

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

2

Solutions

40

Size

2

Solutions

40

Size

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

1

Solution

12

Size

1

Solution

12

Size

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

1

Solution

49

Size

1

Solution

49

Size

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

2

Solutions

24

Size

2

Solutions

24

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

1

Solution

12

Size

1

Solution

12

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

1

Solution

50

Size

1

Solution

50

Size

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

1

Solution

12

Size

1

Solution

12

Size

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

1

Solution

13

Size

1

Solution

13

Size

Problem 44287. sum all digits

Created by: Zakaria Makhlouki

Tags digits, numbers, sum

2

Solutions

14

Size

2

Solutions

14

Size

Problem 1164. Sum the Digits of a Number

Created by: Joseph Kirk

Tags digits, sum

3

Solutions

28

Size

3

Solutions

28

Size

Problem 42519. Sum My Indices

Created by: the cyclist

Tags index sum

4

Solutions

36

Size

4

Solutions

36

Size

Problem 167. Pizza!

Created by: the cyclist

Tags fun, pizza, good

1

Solution

16

Size

1

Solution

16

Size

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

Created by: Cody Team

Tags vectors

1

Solution

44

Size

1

Solution

44

Size

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

Created by: Cody Team

Tags easy, matrices

2

Solutions

16

Size

2

Solutions

16

Size

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

1

Solution

20

Size

1

Solution

20

Size

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

Created by: Cody Team

Tags 3n+1, sample

1

Solution

43

Size

1

Solution

43

Size

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

2

Solutions

15

Size

2

Solutions

15

Size

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

1

Solution

10

Size

1

Solution

10

Size

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

3

Solutions

40

Size

3

Solutions

40

Size

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

Created by: Cody Team

Tags data cleaning, basic matlab

1

Solution

19

Size

1

Solution

19

Size

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

1

Solution

16

Size

1

Solution

16

Size

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

1

Solution

11

Size

1

Solution

11

Size

Problem 2033. poll: would you like the regexp (?@cmd) functionality to be banned in Cody?

Created by: Alfonso Nieto-Castanon

Tags regexp, hack, poll

1

Solution

40

Size

1

Solution

40

Size

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

1

Solution

11

Size

1

Solution

11

Size

Problem 3. Find the sum of all the numbers of the input vector

Created by: Cody Team

Tags matlab 101, easy, vector

1

Solution

10

Size

1

Solution

10

Size

Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10]

Created by: Cody Team

Tags basic, test, basics

1

Solution

9

Size

1

Solution

9

Size

Problem 44309. Pi Digit Probability

Created by: Mehmet OZC

Tags pi, string manipulation, histogram

1

Solution

33

Size

1

Solution

33

Size

Problem 44305. 5 Prime Numbers

Created by: goc3

Tags prime, primes, string

1

Solution

62

Size

1

Solution

62

Size

Problem 44342. Spot the First Occurrence of 5

Created by: Peng Liu

Tags cody5

3

Solutions

62

Size

3

Solutions

62

Size

Problem 44384. Find the nearest prime number

Created by: Matthew Eicholtz

Tags prime numbers, cody5

2

Solutions

58

Size

2

Solutions

58

Size

Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

Tags prime numbers, cody5, safe prime

4

Solutions

30

Size

4

Solutions

30

Size

Problem 44349. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Created by: James

Tags time, cody5

3

Solutions

22

Size

3

Solutions

22

Size

Problem 361. Energy of a photon

Created by: AMITAVA BISWAS

Tags physics, frequency, energy

5

Solutions

10

Size

5

Solutions

10

Size

Problem 564. How to subtract?

Created by: AMITAVA BISWAS

Tags addition, cody5, X-Y

1

Solution

18

Size

1

Solution

18

Size

Problem 227. Math with Roman Numerals

Created by: eric landiech

Tags encoding

1

Solution

239

Size

1

Solution

239

Size

Problem 302. Convert Roman to Arabic Numerals

Created by: Alan Chalker

Tags roman numerals

1

Solution

92

Size

1

Solution

92

Size

Problem 603. Decode a simplified barcode

Created by: Doug Hull

Tags ml101

1

Solution

30

Size

1

Solution

30

Size

Problem 324. 7 segment LED display

Created by: Alan Chalker

Tags number representations

2

Solutions

49

Size

2

Solutions

49

Size

Problem 602. Make a simplified barcode

Created by: Doug Hull

Tags ml101

1

Solution

40

Size

1

Solution

40

Size

Problem 1933. That's some divisor you've got there...

Created by: James

Tags addition, divisors

1

Solution

141

Size

1

Solution

141

Size

Problem 2126. Split bread like the Pharaohs - Egyptian fractions and greedy algorithm

Created by: Muthu Annamalai

Tags rats, egyptian fraction

1

Solution

70

Size

1

Solution

70

Size

Problem 2040. Additive persistence

Created by: Jean-Marie Sainthillier

Tags recursion, persistence

1

Solution

26

Size

1

Solution

26

Size

Problem 1909. Two fractions, one sum

Created by: James

Tags two fractions, reciprocals

2

Solutions

143

Size

2

Solutions

143

Size

Problem 1748. Ripping numbers apart!

Created by: Chris E.

Tags matrix manipulation, string manipulation

1

Solution

58

Size

1

Solution

58

Size

Problem 1871. Numbers in extended form

Created by: James

Tags place value, extended form, third grade math

1

Solution

51

Size

1

Solution

51

Size

Problem 1879. Converting numbers back from extended form

Created by: James

Tags place value, extended form, third grade math

3

Solutions

10

Size

3

Solutions

10

Size

51 – 100 of 106