# Problems

1 – 50 of 2,115
 Problem Title Likes Solvers Difficulty

#### Problem 1170. Count the Number of Undirected Cycles in a Graph

Created by: Joseph Kirk

2

11

#### Problem 1339. Travelling Salesman Problem (TSP)

Created by: Alex P.

0

20

#### Problem 2390. Fair Scoring for Cody

Created by: Nicholas Howe

Tags cody, mtree, scoring

1

7

#### Problem 2409. Find the Connecting Path

Created by: Nishat Savat

0

10

#### Problem 2424. Latest Question On Cody

Created by: rifat

1

26

Created by: goc3

1

24

#### Problem 2470. self description 2.0

Created by: rifat

Tags hack

0

13

#### Problem 255. Spiraling out of control....

Created by: Matt Fig

Tags math, spiral

1

8

#### Problem 2562. Juggling

Created by: Jan Orwat

6

11

#### Problem 2670. Error handling

Created by: Matthew Eicholtz

1

53

Created by: goc3

3

64

Created by: goc3

1

56

Created by: goc3

1

39

Created by: goc3

1

35

Created by: goc3

3

32

Created by: goc3

4

81

#### Problem 2901. How to get the additive inverse of a uint8.

Created by: Gregory

Tags uint8

0

65

#### Problem 2954. Best Problem Elections

Created by: Jan Orwat

6

38

#### Problem 3004. Two functions (to be sure)

Created by: Jean-Marie Sainthillier

Tags deal, functions

4

15

#### Problem 3017. Baseball Pitch Question

Created by: Marc Reyes

3

77

#### Problem 3065. Cycling — Critical Power

Created by: goc3

Tags data, power, cycling

1

27

#### Problem 3082. Scrabble Scores - 10

Created by: goc3

Tags game, board, word

1

22

#### Problem 3100. Rumis Scorer 2

Created by: goc3

Tags game, 3d, board

1

30

#### 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

18

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

Created by: Robert Canfield

Tags aoe2074

1

22

#### 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

18

#### 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

20

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

Created by: Richard Zapor

Tags urlwrite, unzip

1

11

Created by: Ted

2

4

#### Problem 2043. Six Steps to PCA - Step 1: Centre and Standardize

Created by: Neil Caithness

2

14

#### Problem 2049. Six Steps to PCA - Step 2: Covariance

Created by: Neil Caithness

3

11

Created by: Ted

Tags math

0

101

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

Created by: Marcel

0

15

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

Created by: Florian

1

49

#### 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 368. Find S-parameters of the circuit

Created by: Nikolai

1

37

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

Created by: Derik Zhou

Tags rotate

1

96

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

Created by: Riam Su

2

18

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

Created by: David Verrelli

2

7

#### Problem 45482. Construyendo matrices parte 2

Created by: Lucía Honrubia Fernández

0

62

1 – 50 of 2,115