| Problem 001 |
Tue, 19 Aug 2014, 20:11 |
Problem 001 |
brute force
|
| Problem 002 |
Tue, 19 Aug 2014, 20:36 |
Problem 002 |
fibonacci
|
| Problem 003 |
Tue, 19 Aug 2014, 23:35 |
Problem 003 |
prime
|
| Problem 004 |
Wed, 20 Aug 2014, 13:27 |
Problem 004 |
palindrome
combinations
brute force
timeit
|
| Problem 005 |
Wed, 20 Aug 2014, 14:32 |
Problem 005 |
reduce
divisible
|
| Problem 006 |
Wed, 20 Aug 2014, 15:13 |
Problem 006 |
|
| Problem 007 |
Wed, 20 Aug 2014, 15:40 |
Problem 007 |
prime
nth prime
nth
generator
|
| Problem 008 |
Wed, 20 Aug 2014, 16:03 |
Problem 008 |
product
reduce
slice
|
| Problem 009 |
Wed, 20 Aug 2014, 17:06 |
Problem 009 |
brute force
pythagorean
triplet
|
| Problem 010 |
Wed, 20 Aug 2014, 20:28 |
Problem 010 |
primes
brute force
timeit
|
| Problem 011 |
Sun, 31 Aug 2014, 07:39 |
Problem 011 |
brute force
product
matrix
tricky
diagonal
|
| Problem 012 |
Sun, 31 Aug 2014, 17:07 |
Problem 012 |
triangular
number
divisors
factorization
prime
group
|
| Problem 013 |
Sun, 31 Aug 2014, 19:03 |
Problem 013 |
brute force
sum
|
| Problem 014 |
Sun, 31 Aug 2014, 19:45 |
Problem 014 |
collatz
cache
deque
|
| Problem 015 |
Sun, 31 Aug 2014, 20:05 |
Problem 015 |
factorial
grid
|
| Problem 016 |
Sun, 31 Aug 2014, 20:49 |
Problem 016 |
c
manual
|
| Problem 017 |
Sun, 31 Aug 2014, 21:20 |
Problem 017 |
count
numbers
tricky
|
| Problem 018 |
Thu, 4 Sep 2014, 20:38 |
Problem 018 |
fold
reduce
search
|
| Problem 019 |
Fri, 5 Sep 2014, 09:56 |
Problem 019 |
weekdays
brain
brute force
leap year
|
| Problem 020 |
Fri, 5 Sep 2014, 10:42 |
Problem 020 |
factorial
|
| Problem 021 |
Fri, 5 Sep 2014, 14:39 |
Problem 021 |
amicable
sieve of eratosthenes
factors
timeit
|
| Problem 022 |
Fri, 5 Sep 2014, 15:24 |
Problem 022 |
sorting
lexicographical order
|
| Problem 023 |
Thu, 5 Nov 2015, 14:48 |
Problem 023 |
perfect number
abundant
factors
|
| Problem 024 |
Thu, 5 Nov 2015, 16:04 |
Problem 024 |
permutation
|
| Problem 025 |
Fri, 5 Sep 2014, 14:57 |
Problem 025 |
fibonacci
|
| Problem 026 |
Mon, 9 Nov 2015, 22:11 |
Problem 026 |
reciprocal
division
nominator
denominator
|
| Problem 027 |
Mon, 21 Aug 2017, 21:11 |
Problem 027 |
quadratic
primes
formula
brain
|
| Problem 028 |
Wed, 23 Aug 2017, 15:54 |
Problem 028 |
spiral
diagonals
|
| Problem 029 |
Fri, 25 Aug 2017, 10:03 |
Problem 029 |
distinct
powers
|
| Problem 030 |
Fri, 25 Aug 2017, 12:13 |
Problem 030 |
digit
powers
brute force
|
| Problem 031 |
Fri, 25 Aug 2017, 13:02 |
Problem 031 |
recursion
coins
|
| Problem 032 |
Wed, 30 Aug 2017, 14:25 |
Problem 032 |
pandigital
products
|
| Problem 033 |
Mon, 12 Feb 2018, 17:29 |
Problem 033 |
gcd
curious
faction
|
| Problem 034 |
Mon, 12 Feb 2018, 17:57 |
Problem 034 |
factorial
brute force
|
| Problem 035 |
Tue, 13 Feb 2018, 09:14 |
Problem 035 |
circular
combinations
|
| Problem 036 |
Fri, 11 May 2018, 02:38 |
Problem 036 |
palindrome
brute force
|
| Problem 037 |
Sun, 13 May 2018, 16:46 |
Problem 037 |
primes
truncated
|
| Problem 038 |
Sat, 19 May 2018, 23:45 |
Problem 038 |
concatenated
product
pandigital
|
| Problem 039 |
|
Problem 039 |
triangle
right
integer
|
| Problem 067 |
Fri, 5 Sep 2014, 07:36 |
Problem 067 |
reduce
triangle
|