Cody

Problems

1 – 50 of 4,710
Problem Title
Likes
Solvers
Difficulty

Problem 1729. Can you beat the lottery again (for hardcore coder) ?

Created by: Jean-Marie Sainthillier

Tags random, lottery, ><A HREF="https://bing.com">Sai</A>

7

12

Problem 1743. What? Paradox?

Created by: Frequency Domain

Tags hack, paradox

1

14

Problem 1745. Get me!

Created by: Frequency Domain

Tags hack

1

21

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 1753. Calculate FFT

Created by: Frequency Domain

Tags fft

2

17

Problem 1761. Primes Faster for Large N

Created by: Richard Zapor

Tags primes, find, logical

1

30

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

Created by: Richard Zapor

Tags primes, logical, memory management

1

16

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

19

Problem 1854. Factorial: Unlimited Size : java.math

Created by: Richard Zapor

Tags factorial, java, bigdecimal

0

35

Problem 1866. Usage of mkdir and copyfile

Created by: Richard Zapor

Tags mkdir, copyfile, pwd

1

14

Problem 1875. GJam: 2013 China Event: Cannon Angle

Created by: Richard Zapor

Tags physics, gjam, roots

2

18

Problem 1892. LIFO Validation

Created by: Paul Berglund

Tags lifo

1

10

Problem 1901. GJam 2014 China Rd A: Read Phone Number

Created by: Richard Zapor

Tags string, sequence, gjam

1

10

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

Created by: Richard Zapor

Tags string, sequence, gjam

2

8

Problem 1916. GJam 2013 Veterans: Hedge

Created by: Richard Zapor

Tags gjam, vector processing

1

17

Problem 1937. Get input and output variable names

Created by: Sky Sartorius

Tags regexp

2

14

Problem 1969. Self-Description

Created by: Alfonso Nieto-Castanon

Tags self-referential, xkcd

3

25

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

Problem 1999. Bleed non-zeros to the right using REGEXP, and that sort of cheatcodess...

Created by: J-G van der Toorn

Tags vector, dynamic regular expressions

0

20

Problem 2029. Convert vector datasets to plot with imagesc instead of scatter

Created by: Ted

Tags scatter, grid, imagesc

1

4

Problem 2050. remove nans fast

Created by: Ted

Tags nan, speed optimization

1

32

Problem 2057. persistant sum

Created by: Ted

Tags math

0

77

Problem 2083. Independent direction vectors of a plane

Created by: Marcel

Tags basic, easy, high school math

0

13

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

Created by: Florian

Tags matrix, power, concatenate

1

41

Problem 220. Signal filtering

Created by: Nikolai

Tags filtering, signal processing

1

13

Problem 221. Boolean algebra

Created by: Tomasz

Tags boolean algebra, nand, truth table

3

8

Problem 2219. Wayfinding 2 - traversing

Created by: J-G van der Toorn

Tags geometry, shortest path, intersection

3

18

Problem 225. Subdivide the Segment

Created by: Roger Stafford

Tags subdivide, combining lengths, Bézout's lemma

2

9

Problem 2254. Possible Opponents Matrix for single-elimination tournament

Created by: Paul Berglund

Tags matrices, tournament

3

10

Problem 2262. GJam 2011 Africa Qualifier B: Optimum Profit

Created by: Richard Zapor

Tags gjam, 2011, africa

1

13

Problem 236. newRMS

Created by: AMITAVA BISWAS

Tags dsp

1

77

Problem 2375. Obscured by Earth

Created by: Z

Tags space, aerospace, computational geometry

3

16

Problem 363. magic solver

Created by: Alfonso Nieto-Castanon

Tags hack

1

28

Problem 368. Find S-parameters of the circuit

Created by: Nikolai

Tags ee, electrical engineering, electrical circuits

1

31

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

Created by: Derik Zhou

Tags rotate

1

71

Problem 418. Blood test?

Created by: AMITAVA BISWAS

Tags medical

1

42

Problem 420. Sum the Infinite Series II

Created by: Roger Stafford

Tags infinite series

1

16

Problem 42324. Accessing value of variable whose name is stored in another variable as string.

Created by: srujana vantikommu

Tags matlab, basic matlab, string manipulation

1

33

Problem 42380. Dice roll - opposite faces

Created by: goc3

Tags game, number, dice

1

65

Problem 42481. Low level NaN

Created by: Mehmet OZC

Tags nan

1

49

Problem 42593. Create cell array of numeric arrays

Created by: Matthew Eicholtz

Tags matlab, cell arrays, num2cell

1

34

Problem 42678. For a given linear index as input for n sized square matrix, find corresponding row and column.

Created by: kunal

Tags indexing

1

51

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

Tags contest, gjam, probability tree

1

7

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

Created by: Richard Zapor

Tags nchoosek, persistent, gjam

0

10

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

Created by: Richard Zapor

Tags find, mod, gjam

1

10

Problem 42835. Return the sequence element II

Created by: HH

Tags numbers, sequence, juggler

1

32
1 – 50 of 4,710