Solved

Number Puzzle - 047

2 months ago

Solved

Number Puzzle - 046

2 months ago

Solved

Number Puzzle - 045

2 months ago

Solved

Number Puzzle - 040

2 months ago

Solved

Number Puzzle - 038

2 months ago

Solved

Number Puzzle - 039

2 months ago

Solved

List Chen primes
A Chen prime is a prime number p such that p+2 is either prime or semiprime. The number 17 is a Chen prime because 17+2 = 19 is ...

2 months ago

Solved

Number Puzzle - 037

2 months ago

Solved

Number Puzzle - 036

2 months ago

Solved

Number Puzzle - 035

2 months ago

Solved

Number Puzzle - 034

2 months ago

Solved

Number Puzzle - 033

2 months ago

Solved

Number Puzzle - 032

2 months ago

Solved

Number Puzzle - 031

2 months ago

Solved

Number Puzzle - 030

2 months ago

Solved

Number Puzzle - 029

2 months ago

Solved

Number Puzzle - 028

2 months ago

Solved

Number Puzzle - 027

2 months ago

Solved

Number Puzzle - 026

2 months ago

Solved

Number Puzzle - 025

2 months ago

Solved

Number Puzzle - 024

2 months ago

Solved

Paint it black!
<https://en.wikipedia.org/wiki/Flood_fill Flood fill> is the algorithm used by bucket-fill tools in many image editors. The idea...

2 months ago

Solved

Slitherlink V: Assert/Evolve/Check (large)

2 months ago

Solved

Slitherlink IV: Recursive (medium size)

2 months ago

Solved

Slitherlink III: Evolve

2 months ago

Solved

Slitherlink II: Gimmes

2 months ago

Solved

Slitherlink I: Trivial

2 months ago

Solved

Center of Mass(es) in 3D Space
Given a matrix of format [x1,y1,z1,m1; x2,y2,z2,m2 . . .], return the center of mass of all listed points in 3d space [xc,yc,zc]...

2 months ago

Solved

Pattern find
FInd the pattern x = 3; \y=1558 x = 10; \y= 2657548

2 months ago

Solved

Sudoku

2 months ago