Shortening codes (SPOJ)

ID	NAME	CODE	USERS	ACC %
26387	Warmup	REGEX001	54	91.57
26399	Anchors	REGEX002	44	96.23
26400	Ranges	REGEX003	37	98.04
26401	Backrefs	REGEX004	29	100.00
26402	Abba	REGEX005	20	84.78
26403	A man, a plan	REGEX006	17	90.00
26404	Prime	REGEX007	11	100.00
26405	Four	REGEX008	14	96.30
26406	Order	REGEX009	9	100.00
26407	Triples	REGEX010	3	80.95
26408	Glob	REGEX011	6	95.83
26409	Balance	REGEX012	4	100.00
26410	Powers	REGEX013	7	100.00
26411	Long count	REGEX014	7	100.00
26426	Alphabetical	REGEX015	4	100.00
26427	Powers 2	REGEX016	4	86.96
26428	Subtraction	REGEX017	1	100.00
26429	Typist	REGEX018	1	100.00
26430	Addition	REGEX019	1	100.00
26431	Anyway	REGEX020	0	0.00
26432	Tic-tac-toe	REGEX021	2	100.00
26433	Modulus	REGEX022	1	100.00
26434	Matryoshka	REGEX023	0	0.00
26435	Euclid	REGEX024	0	0.00
26436	Latin squares	REGEX025	0	0.00
26437	Dominoes	REGEX026	1	100.00