Shortening codes (SPOJ)

ID	NAME	CODE	USERS	ACC %
26387	Warmup	REGEX001	45	90.14
26399	Anchors	REGEX002	35	95.45
26400	Ranges	REGEX003	27	97.22
26401	Backrefs	REGEX004	23	100.00
26402	Abba	REGEX005	17	83.72
26403	A man, a plan	REGEX006	14	88.89
26404	Prime	REGEX007	8	100.00
26405	Four	REGEX008	9	95.24
26406	Order	REGEX009	6	100.00
26407	Triples	REGEX010	3	89.47
26408	Glob	REGEX011	4	95.45
26409	Balance	REGEX012	3	100.00
26410	Powers	REGEX013	5	100.00
26411	Long count	REGEX014	6	100.00
26426	Alphabetical	REGEX015	4	100.00
26427	Powers 2	REGEX016	4	90.91
26428	Subtraction	REGEX017	0	0.00
26429	Typist	REGEX018	0	0.00
26430	Addition	REGEX019	0	0.00
26431	Anyway	REGEX020	0	0.00
26432	Tic-tac-toe	REGEX021	1	100.00
26433	Modulus	REGEX022	0	0.00
26434	Matryoshka	REGEX023	0	0.00
26435	Euclid	REGEX024	0	0.00
26436	Latin squares	REGEX025	0	0.00
26437	Dominoes	REGEX026	0	0.00