Title
No.	100 doors	https://gambas.one/playground/ultra.html?gist=10f109e90581b04b9cbc30fdaf49892b
	ABC Problem	https://gambas.one/playground/ultra.html?gist=ae860292d4588b3627d77c85bcc634ee
	Align columns	https://gambas.one/playground/ultra.html?gist=023b4c5144d45e047abe02ebf5c4525a
	Array concatenation	https://gambas.one/playground/ultra.html?gist=314bea6fba7f177a1cfaec8a7a8b5ccb
	Array length	https://gambas.one/playground/ultra.html?gist=2a452c807c7030eb64a2f1d60d31a830
	Arrays	https://gambas.one/playground/ultra.html?gist=5061d7f882a4768d212080e416c25e27
	Associative array/Iteration	https://gambas.one/playground/ultra.html?gist=e48bd6ed7e6b583106b8178bca536eea
B	Babbage problem	https://gambas.one/playground/ultra.html?gist=08eafccbe3febb79ec62301ca84e3662
	Balanced brackets	https://gambas.one/playground/ultra.html?gist=8960fb267af43f0549d2cfe04288a2d4
	Binary digits	https://gambas.one/playground/ultra.html?gist=03e84768e6ee2af9b7664efa04fa6da8
	Boolean values	https://gambas.one/playground/ultra.html?gist=65324112fde86d51937b9cfcca0c51f9
	Box the compass	https://gambas.one/playground/ultra.html?gist=823a56ac094b8963cf11f792b381fbcc
C	Caesar cipher	https://gambas.one/playground/ultra.html?gist=cb96008082bc0d8278224cd2a5ec74d3
	Call a function	https://gambas.one/playground/ultra.html?gist=1bbbeb240f6fbca4b893271f1a19833b
	Case-sensitivity of identifiers	https://gambas.one/playground/ultra.html?gist=fed58074944b894f5d4cfb8e16c6819a
	Check that file exists	https://gambas.one/playground/ultra.html?gist=fa06b7cc43166fb0ab48e878d86e3d1b
	Collection example	https://gambas.one/playground/ultra.html?gist=004236066581dd85f39f34e100bf5c40
	Comma quibbling	https://gambas.one/playground/ultra.html?gist=8edc63b206a1de50dd104cd12486ac03
	Command-line arguments	https://gambas.one/playground/ultra.html?gist=a1374aa441520314ad0c7decb1e91c97
	Convert seconds to compound duration	https://gambas.one/playground/ultra.html?gist=d7f00b8a96a6f792f0164f622f0686df
	Copy a string	https://gambas.one/playground/ultra.html?gist=b88224f45b9b5be09eafdf069b059076
	Create a file	https://gambas.one/playground/ultra.html?gist=abe59d5d62a4d01817638115e75e7e29
	Day of the week	https://gambas.one/playground/ultra.html?gist=b9b4e9a871e96ea6f1db467fa23669fe
	Department Numbers	https://gambas.one/playground/ultra.html?gist=cdfeadc26aaeb0e23f4523626b6fe7c9
	Detect division by zero	https://gambas.one/playground/ultra.html?gist=6c837b97d9c5f296ef23245706544bdf
	Dutch national flag problem	https://gambas.one/playground/ultra.html?gist=e57a862aff12647fa80c84a595161cb9
	Empty string	https://gambas.one/playground/ultra.html?gist=4d8a208f49364dc25361bf2042af1005
	Exceptions	https://gambas.one/playground/ultra.html?gist=c3abec93bc7f135203f1f7582f5c3a19
	Execute a system command	https://gambas.one/playground/ultra.html?gist=9460b39a86794a7346a390aeb50fc5cf
	Filter	https://gambas.one/playground/ultra.html?gist=e73bc5db1e3bb56c598f89aa669a0825
	Five weekends	https://gambas.one/playground/ultra.html?gist=fbeb1b7a06fff3da3f8b262ee5d71390
	FizzBuzz	https://gambas.one/playground/ultra.html?gist=efbe83377a1eabe475d8eba13965cfde
	Flatten a list	https://gambas.one/playground/ultra.html?gist=1c0157ce2b7eab99ba4e784e183ba474
	Flow-control structures	https://gambas.one/playground/ultra.html?gist=64e4e68b1c6ce73341d08ba2d9333c07
	Floyd's triangle	https://gambas.one/playground/ultra.html?gist=57ab1f58785b7e07765881657e4589ab
	Formatted numeric output	https://gambas.one/playground/ultra.html?gist=4f64ab96d0f97df5876b76ab0431b302
	Function definition	https://gambas.one/playground/ultra.html?gist=bc93236474d9937217dd4117026f7441
G	Generate lower case ASCII alphabet	https://gambas.one/playground/ultra.html?gist=debd3987d4db75099032a86927978046
	Generic swap	https://gambas.one/playground/ultra.html?gist=b746e857f6f280fb92c204795f6053be
	Get system command output	https://gambas.one/playground/ultra.html?gist=d595094b5bc9c3abb17808b2b00938f9
	Harshad or Niven series	https://gambas.one/playground/ultra.html?gist=9d814ce9936ed7fdce2a084004c437f4
	Hash from two arrays	https://gambas.one/playground/ultra.html?gist=944f0b9cbf60910e7ee7ea4191928a7c
	Hello world/Newline omission	https://gambas.one/playground/ultra.html?gist=09c8c3464c556325f089f9e4c326eaca
	Hello world/Text	https://gambas.one/playground/ultra.html?gist=d3a51f670e4eb0f793b513b14329be51
	Hostname	https://gambas.one/playground/ultra.html?gist=11d7f489117d7909da509050103b7891
	Increment a numerical string	https://gambas.one/playground/ultra.html?gist=e31b63f444c2c09c8b1436407020e216
	Knuth shuffle	https://gambas.one/playground/ultra.html?gist=58402023fbdc617ce10f6a85db721105
	Largest int from concatenated ints	https://gambas.one/playground/ultra.html?gist=4169e7641f29ff0ae1dd202b459e60ce
	Look-and-say sequence	https://gambas.one/playground/ultra.html?gist=83d63e1706fa1dc3c7468b1e9d7bcf05
	Loop over multiple arrays simultaneously	https://gambas.one/playground/ultra.html?gist=3a69e733694aeab3b72c6a5c0316535b
	Loops/Break	https://gambas.one/playground/ultra.html?gist=65d2287312298a938e7e8eea8899e38b
	Loops/Continue	https://gambas.one/playground/ultra.html?gist=bf629ae9a09ffa1f5ecc95b89854b14b
	Loops/Do-while	https://gambas.one/playground/ultra.html?gist=57e91eab60baf7e39df9b6d16a0deddd
	Loops/Downward for	https://gambas.one/playground/ultra.html?gist=b236db5bdb1087fa90e934a5a8210e1f
	Loops/For	https://gambas.one/playground/ultra.html?gist=9be4a2a6e69b2bf2921279a057df18c5
	Loops/For with a specified step	https://gambas.one/playground/ultra.html?gist=cdd9b10b64ac4d78b75c364061f25641
	Loops/Foreach	https://gambas.one/playground/ultra.html?gist=cb94500c68749f6f93915f3f10de5a03
	Loops/Infinite	https://gambas.one/playground/ultra.html?gist=e63dcdc939f8a7dcfd3194d884f8d4a5
	Loops/N plus one half	https://gambas.one/playground/ultra.html?gist=c43cc581e5f93e70c5dc82733f609a7e
	Loops/Nested	https://gambas.one/playground/ultra.html?gist=77521a9ffe6bebdfe2e34df8faab5e78
	Loops/While	https://gambas.one/playground/ultra.html?gist=4e992013e4e7dc69a82477299a5ce23a
	Luhn test of credit card numbers	https://gambas.one/playground/ultra.html?gist=966f04aa2a1e9af43ba9553f5cb9160d
	Middle three digits	https://gambas.one/playground/ultra.html?gist=ed25e84978446d65895ccd909fc092fa
	Move-to-front algorithm	https://gambas.one/playground/ultra.html?gist=4268c779c36def03ea10764630cdc401
	Multiplication tables	https://gambas.one/playground/ultra.html?gist=3a3a987766a9a9a383b3e0e8a65d9ea2
N	N'th	https://gambas.one/playground/ultra.html?gist=6d60749ae886a37f128e75cffc6c7118
P	Password generator	https://gambas.one/playground/ultra.html?gist=0ef1242c761d8a39297fb913fc6a56c0
	Phrase reversals	https://gambas.one/playground/ultra.html?gist=77cb8b3386a0f57524bdbff6634387cd
	Population count	https://gambas.one/playground/ultra.html?gist=538335b7b71f5ea7b59c0c82fbb0ea3e
	Price fraction	https://gambas.one/playground/ultra.html?gist=87527eed297164593d88aa2c35898eaf
	Primality by trial division	https://gambas.one/playground/ultra.html?gist=85fbc7936b17b3009af282752aa29df7
	Program name	https://gambas.one/playground/ultra.html?gist=fc8af45b13a9bb52b6955bab487fc7ac
R	Range extraction	https://gambas.one/playground/ultra.html?gist=49f362e3de9725fbf3c56f2381abf8a4
	Regular expressions	https://gambas.one/playground/ultra.html?gist=5a2a1052f8dff12596fa7f45242d25a9
	Remove duplicate elements	https://gambas.one/playground/ultra.html?gist=1e2bb524d2278cd88bccdc21a1683296
	Repeat a string	https://gambas.one/playground/ultra.html?gist=bdd2a7a0f4f09ff67e9d78b5d9667bdb
	Reverse a string	https://gambas.one/playground/ultra.html?gist=e32989a1ffdc4428075ca6d4cb15dfa6
	Reverse words in a string	https://gambas.one/playground/ultra.html?gist=c81c1bbf94e856035fd382015d208272
	Run-length encoding	https://gambas.one/playground/ultra.html?gist=b30707043cb64effba91a2edc4d4be94
S	Search a list	https://gambas.one/playground/ultra.html?gist=7729d65f8af3f128db6c6992c5f74e98
	SEDOL	https://gambas.one/playground/ultra.html?gist=905f91c785f1f15a360726717731862f
	Shell one-liner	https://gambas.one/playground/ultra.html?gist=4385adf6a841435779a7afff3dadb58b
	Sort an integer array	https://gambas.one/playground/ultra.html?gist=1f1d244aa95c329eb87cb538f0d5fc4a
	Sorting algorithms/Bogosort	https://gambas.one/playground/ultra.html?gist=ae1ea3558431ea05a1f42ce68b173f45
	Sorting algorithms/Bubble sort	https://gambas.one/playground/ultra.html?gist=ba84832d633cb92bbe6c2f54704819c3
	Sorting algorithms/Cocktail sort	https://gambas.one/playground/ultra.html?gist=ee5467e58f0ef649373eed5a2503b988
	Sorting algorithms/Comb sort	https://gambas.one/playground/ultra.html?gist=ade780ac2893fcfc95bf0d3feff6a3a8
	Sorting algorithms/Gnome sort	https://gambas.one/playground/ultra.html?gist=d91a871bd9f43cd9644c89baa3ee861a
	Sorting algorithms/Pancake sort	https://gambas.one/playground/ultra.html?gist=25bca44b4dba66a7316a00694b342035
	String append	https://gambas.one/playground/ultra.html?gist=0b17e205d56985c8cd1ff108c6fc9ca4
	String case	https://gambas.one/playground/ultra.html?gist=d45e91bee011314fd126dc53052b5386
	String concatenation	https://gambas.one/playground/ultra.html?gist=098450adbbe0e284f0b9cdac67d74dda
	String interpolation (included)	https://gambas.one/playground/ultra.html?gist=29bc3d7010d216a49382a47cdeeec15f
	String matching	https://gambas.one/playground/ultra.html?gist=07bb32f4e8e8f7d81898cf41d4431a2e
	String prepend	https://gambas.one/playground/ultra.html?gist=cd5ab867c22e872d69ed81fd9da96707
	Strip a set of characters from a string	https://gambas.one/playground/ultra.html?gist=f199a8f7a56cf466e4a16c3fc71f6278
	Strip control codes and extended characters from a string	https://gambas.one/playground/ultra.html?gist=19db658a6c44cfb1f6f887ff53e549bb
	Strip whitespace from a string/Top and tail	https://gambas.one/playground/ultra.html?gist=62e56fea0f74819daa3d3a548869fa90
	Substring	https://gambas.one/playground/ultra.html?gist=d4baf4adccd2220f63a1019695e072b0
	Sum and product of an array	https://gambas.one/playground/ultra.html?gist=4a4bdc35d661e2dc22d66d88991bef95
	System time	https://gambas.one/playground/ultra.html?gist=f061cc0cf175496b37bbcd14bd1e7058
	Tokenize a string	https://gambas.one/playground/ultra.html?gist=218e240236cdf1419a405abfed906ed3
V	Variable size/Get	https://gambas.one/playground/ultra.html?gist=87f102023bd9ef6dbd52b0158be2c3ee
W	Walk a directory/Non-recursively	https://gambas.one/playground/ultra.html?gist=c5fde952fecd1d7052101b1e2287f2ff
	Walk a directory/Recursively	https://gambas.one/playground/ultra.html?gist=f48f8d5c2e2e85a8f80bcdc0124a35a5
Z	Zero to the zero power	https://gambas.one/playground/ultra.html?gist=7d505dbe89227e9b4423f92ef12d6829