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101fe9a3d3
Adding working version of test for 8 divisors, problem 501.
Charles Reid
2017-07-07 13:22:20 -0700
39cc30bc93
Adding working test version for optimal polynomial solution.
Charles Reid
2017-07-07 01:38:53 -0700
4f48237b6b
Lychrel number, yet another one to practice palindromes.
Charles Reid
2017-07-06 20:25:29 -0700
193cbd2416
add make clean command.
Charles Reid
2017-07-06 19:54:05 -0700
15d67b3ca8
Adding Euler Solution interface, Euler Test class, and first problem using this format.
Charles Reid
2017-07-06 19:53:38 -0700
c29d3b2635
adding java directory, with proper unit tests.
Charles Reid
2017-07-06 19:52:11 -0700
abc8304f23
Update Poker solution - straight check was broken. Everythign now working.
Charles Reid
2017-07-06 15:55:05 -0700
72f3432b47
Committing finished versions of all methods, plus some major bug fixes. All five tests passing now.
Charles Reid
2017-07-06 15:17:15 -0700
dc6bdbc87b
Adding powerful digit sum. Sometimes it is a matter of knowing when to use the brute force solution.
Charles Reid
2017-07-06 12:34:54 -0700
ce9f95df69
Making progress. Have laid out tests, poker hand class, comparators, and poker cards. Finished implementing several outcomes, have a few left to go.
Charles Reid
2017-07-06 03:48:12 -0700
c756600292
adding initial version that parses poker hands.
Charles Reid
2017-07-05 02:59:03 -0700
681f4186c7
cleanup for problem 100.
Charles Reid
2017-07-05 02:35:53 -0700
7ec81b86a4
adding 20.
Charles Reid
2017-07-05 02:35:04 -0700
4a6ff8e5f4
adding makefile
Charles Reid
2017-07-05 02:29:18 -0700
e2d5860f5e
Finally got this one. Have to update n and b, simultaneously, after computing their new values.
Charles Reid
2017-07-05 02:28:46 -0700
9c9064864d
unsuccessful in finding solution to PE 100 with integer square root idea...
Charles Reid
2017-07-05 02:04:37 -0700
c7c36031f9
fixing up problem 501 statement
Charles Reid
2017-07-04 21:17:10 -0700
98f5cccf3a
Adding 053, combinatoric values greater than 1 million.
Charles Reid
2017-07-04 21:04:27 -0700
00448f77ad
not using this.
Charles Reid
2017-07-04 20:08:05 -0700
c99c655cd0
Adding permuted multiples problem - program design was central.
Charles Reid
2017-07-04 19:56:08 -0700
6ec861c133
adding sums of digits of powers of 2 checker.
Charles Reid
2017-07-04 19:27:19 -0700
aba2868380
Adding number letter counts script. Interval thinking, and method chaining.
Charles Reid
2017-07-04 19:07:49 -0700
b2414b216f
Add 016, sum of digits of 2**1000. Very quick with BigInteger.
Charles Reid
2017-07-04 17:37:21 -0700
0205bb16e9
updating readme.
Charles Reid
2017-07-02 13:37:33 -0700
dce13543dc
Committing actual problem solution.
Charles Reid
2017-07-02 13:27:26 -0700
fb464af82d
todo item for problem 500.
Charles Reid
2017-07-02 04:45:33 -0700
7a95cb5970
add javadocs, make the size M of our candidate number a parameter.
Charles Reid
2017-07-02 03:22:54 -0700
e07859aa08
Adding problem 51 - worked out example.
Charles Reid
2017-07-02 03:13:13 -0700
de2a0b34fc
adding makefile for problem 12
Charles Reid
2017-07-01 23:57:56 -0700
12fd3b6144
add problem file to problem 11.
Charles Reid
2017-07-01 23:57:36 -0700
79996da29c
adding (untracked??) problem 10 solution.
Charles Reid
2017-07-01 23:57:18 -0700
6f72dac3af
renaming problem 001 file.
Charles Reid
2017-07-01 23:56:35 -0700
2b92edec31
adding a working, but mod-less, answer to problem 500.
Charles Reid
2017-07-01 23:55:20 -0700
44d6363218
update collatz recursive version and makefile.
Charles Reid
2017-07-01 01:29:07 -0700
21bf8ab918
Adding a version of Collatz sequence program that does not use recursion.
Charles Reid
2017-07-01 01:28:35 -0700
50dfb93684
Updating problem.txt files for each problem.
Charles Reid
2017-06-30 20:15:40 -0700
24df376856
Adding supplementary problem files for Problem 13, Digit Sum.
Charles Reid
2017-06-30 20:11:57 -0700
f5dd691b95
removing unneeded javadocs comment.
Charles Reid
2017-06-30 20:11:04 -0700
7d0edf8ef8
Adding Digit Sum problem.
Charles Reid
2017-06-30 20:10:28 -0700
819240a40a
adding note on possible fix.
Charles Reid
2017-06-30 13:17:09 -0700
e489a107ae
have a viable solution, but it is recursive and throws a stack overflow error 10% through the problem.
Charles Reid
2017-06-30 13:14:39 -0700
6b16e9a914
Committing triangular number program.
Charles Reid
2017-06-30 12:47:33 -0700
478c828ac2
add problem 11 solution.
Charles Reid
2017-06-29 14:24:37 -0700
1536374334
Adding problem 9 for project euler.
Charles Reid
2017-06-23 19:57:50 -0700
479846e123
adding problem 4 solution. That was easy.
Charles Reid
2017-06-23 18:46:14 -0700
a7d1cd78d4
moving each problem to own directory.
Charles Reid
2017-06-17 23:50:42 -0700
1d96e0fdc7
adding 008 directory with updated/working problem 8.
Charles Reid
2017-06-17 23:48:53 -0700
630c51b975
add updates to makefile.
Charles Reid
2017-06-17 23:36:40 -0700
89f6913e3a
adding problem 8 - kicker was recognizing that 13 digits is just above 32 bytes. we are trying to find a number greater than 2**32.
Charles Reid
2017-06-17 23:35:52 -0700
3678ad857d
try again later...
Charles Reid
2017-06-17 01:59:03 -0700
d2902fab6f
try again later.
Charles Reid
2017-06-17 01:58:42 -0700
f204db9525
Problem 8 clean up printed messages.
Charles Reid
2017-06-17 00:52:24 -0700
661fead5da
Adding problem 8 solution - finding longest subsequence.
Charles Reid
2017-06-17 00:51:15 -0700
978ae0d8b1
Adding problem 4 solution.
Charles Reid
2017-06-16 04:48:29 -0700
f2fcd7840e
Add 7 to makefile.
Charles Reid
2017-06-16 04:48:14 -0700
125c3bca5d
adding comment
Charles Reid
2017-06-15 13:47:07 -0700
3bc8ca0419
adding problem 6 solution - sums and squares.
Charles Reid
2017-06-15 11:05:51 -0700
35394e19db
adding problem 5 - least common multiple question.
Charles Reid
2017-06-15 10:55:50 -0700
11caa87233
updating makefile and adding problem 7 finding 10,001st prime number
Charles Reid
2017-06-14 23:54:53 -0700
ffc6e112b5
adding problem 1 and 2 Java files.
Charles Reid
2017-06-14 17:19:58 -0700
ac01ebea84
add all 3 problems to Makefile
Charles Reid
2017-06-14 17:19:40 -0700
c43747b8de
Adding greatest prime factor program.
Charles Reid
2017-06-14 17:18:49 -0700
e84b018dd4
Initial commit
cs-core
2017-06-14 05:03:24 +0000