# Problems

51 – 100 of 4,844
 Problem Title Likes Solvers Difficulty

#### Problem 1747. Get me! v3

Created by: Frequency Domain

Tags hack, get me!

4

17

#### Problem 1752. Get me! v4 (Cody hacking challenge)

Created by: Frequency Domain

Tags hack, get me!

2

17

#### Problem 1763. Primes for Large N: 2^30, System Memory Limit

Created by: Richard Zapor

1

17

#### Problem 1769. singularity 2.0 (easier)

Created by: Alfonso Nieto-Castanon

Tags hack

3

16

#### Problem 1846. Free Fall analytical solution (Chapra 2012 textbook Example 1.1)

Created by: Robert Canfield

Tags aoe2074

1

21

#### Problem 1854. Factorial: Unlimited Size : java.math

Created by: Richard Zapor

0

37

#### Problem 1866. Usage of mkdir and copyfile

Created by: Richard Zapor

Tags mkdir, copyfile, pwd

1

16

#### Problem 1875. GJam: 2013 China Event: Cannon Angle

Created by: Richard Zapor

Tags physics, gjam, roots

2

18

#### Problem 1902. GJam 2014 China Rd A: Read Phone Number (Large)

Created by: Richard Zapor

2

9

#### Problem 1916. GJam 2013 Veterans: Hedge

Created by: Richard Zapor

1

18

#### Problem 1975. Kaggle: Reverse Game of Life - Zoo of Stills and Oscillators

Created by: Richard Zapor

Tags life, lcm, conv2

3

12

#### Problem 1995. Loading/Expanding a ZIP file from File Exchange

Created by: Richard Zapor

Tags urlwrite, unzip

1

11

Created by: Ted

2

4

Created by: Ted

Tags math

0

95

#### Problem 2083. Independent direction vectors of a plane

Created by: Marcel

0

16

#### Problem 2166. Concatenate a successive power matrix in a column matrix

Created by: Florian

1

47

#### Problem 220. Signal filtering

Created by: Nikolai

1

13

#### Problem 221. Boolean algebra

Created by: Tomasz

3

8

#### Problem 225. Subdivide the Segment

Created by: Roger Stafford

2

9

#### Problem 2254. Possible Opponents Matrix for single-elimination tournament

Created by: Paul Berglund

3

10

#### Problem 40912. Rotate counterclockwise a matrix 90 deg with left-bottom element

Created by: Derik Zhou

Tags rotate

1

88

#### Problem 418. Blood test?

Created by: AMITAVA BISWAS

Tags medical

1

50

#### Problem 42777. GJam March 2016 IOW: Polynesiaglot Small

Created by: Richard Zapor

Tags gjam, iow

2

14

#### Problem 42778. GJam March 2016 IOW: Polynesiaglot Medium

Created by: Richard Zapor

1

7

#### Problem 42805. GJam 2016 Rd1A: Rank and File (small)

Created by: Richard Zapor

0

10

#### Problem 42806. GJam 2016 Rd1A: Rank and File (Large)

Created by: Richard Zapor

Tags find, mod, gjam

1

10

#### Problem 42817. Pipeline

Created by: LY Cao

2

2

#### Problem 42937. Project Euler: Problem 14, Longest Collatz sequence

Created by: Riam Su

2

18

#### Problem 45482. Construyendo matrices parte 2

Created by: Lucía Honrubia Fernández

0

58

#### Problem 44538. Arrange the names in alphabetical order (1)

Created by: David Verrelli

2

7

#### Problem 44709. Toads and Frogs Puzzle

Created by: J. S. Kowontan

Tags puzzle

0

16

#### Problem 43612. time of day

Created by: Marc Jakobi

Tags time, string, unit

1

17

#### Problem 46627. Output the Montgomery Form of the Input Matrix

Created by: David Hill

Tags montgomery

2

15

#### Problem 46888. Diagonal Prod

Created by: Payam Morsali

Tags diag

0

68

#### Problem 46913. How many bytes an image requires from RAM?

Created by: Rafael S.T. Vieira

0

12

Created by: JD

2

24

#### Problem 47008. NaN

Created by: Payam Morsali

Tags matrix

0

85

#### Problem 47149. non-repitition of numbers in a vector

Created by: KATTA PRATYUSHA

Tags vector, numbers

1

49

#### Problem 44894. Orientation of a 3D coordinate frame

Created by: Peter Corke

1

6

#### Problem 44895. Determine roll pitch yaw angles from a 3D rotation matrix

Created by: Peter Corke

1

5

#### Problem 44074. GJam 2017 Kickstart: Parentheses (Small)

Created by: Richard Zapor

1

14

#### Problem 44075. GJam 2017 Kickstart: Parentheses (Large)

Created by: Richard Zapor

2

14

#### Problem 45196. Determine whether a given point is inside or outside a polygon

Created by: William

3

20

#### Problem 44261. Multivariate polynomials - sort monomials

Created by: Andrew Newell

1

8

Created by: Ali

2

26

#### Problem 57482. JannaT is Loved By Me

Created by: Md. Rayhan

0

10

#### Problem 57550. Compute the area of the shoemaker’s knife

Created by: ChrisR

1

8

#### Problem 57570. An array is given that contains the marks. Find out the highest 3 marks

Created by: Md. Ikrama Hossain

0

7

#### Problem 57575. An array is given. Find the unique elements of the array. [keep the sequence unchanged]

Created by: Md. Ikrama Hossain

Tags basic, unique, array

0

9

#### Problem 682. Image Processing 002 : Fix Vignetting in a Visible Sensor

Created by: Richard Zapor

3

9

51 – 100 of 4,844