Shortening codes (SPOJ)

ID	NAME	CODE	USERS	ACC %
26387	Warmup	REGEX001	64	92.55
26399	Anchors	REGEX002	51	96.72
26400	Ranges	REGEX003	44	98.28
26401	Backrefs	REGEX004	34	100.00
26402	Abba	REGEX005	24	86.00
26403	A man, a plan	REGEX006	20	90.91
26404	Prime	REGEX007	14	100.00
26405	Four	REGEX008	17	96.67
26406	Order	REGEX009	12	100.00
26407	Triples	REGEX010	5	82.14
26408	Glob	REGEX011	8	96.55
26409	Balance	REGEX012	7	100.00
26410	Powers	REGEX013	10	96.77
26411	Long count	REGEX014	9	100.00
26426	Alphabetical	REGEX015	6	100.00
26427	Powers 2	REGEX016	7	92.31
26428	Subtraction	REGEX017	3	100.00
26429	Typist	REGEX018	3	100.00
26430	Addition	REGEX019	3	100.00
26431	Anyway	REGEX020	0	0.00
26432	Tic-tac-toe	REGEX021	4	100.00
26433	Modulus	REGEX022	3	100.00
26434	Matryoshka	REGEX023	2	100.00
26435	Euclid	REGEX024	2	100.00
26436	Latin squares	REGEX025	2	75.00
26437	Dominoes	REGEX026	3	100.00