Shortening codes (SPOJ)

ID	NAME	CODE	USERS	ACC %
26387	Warmup	REGEX001	123	95.03
26399	Anchors	REGEX002	106	98.60
26400	Ranges	REGEX003	96	99.23
26401	Backrefs	REGEX004	83	100.00
26402	Abba	REGEX005	43	91.25
26403	A man, a plan	REGEX006	30	89.80
26404	Prime	REGEX007	21	97.44
26405	Four	REGEX008	23	89.74
26406	Order	REGEX009	19	96.67
26407	Triples	REGEX010	6	81.40
26408	Glob	REGEX011	9	96.67
26409	Balance	REGEX012	8	100.00
26410	Powers	REGEX013	13	97.44
26411	Long count	REGEX014	13	100.00
26426	Alphabetical	REGEX015	6	100.00
26427	Powers 2	REGEX016	9	92.86
26428	Subtraction	REGEX017	5	100.00
26429	Typist	REGEX018	6	100.00
26430	Addition	REGEX019	5	100.00
26431	Anyway	REGEX020	0	0.00
26432	Tic-tac-toe	REGEX021	6	100.00
26433	Modulus	REGEX022	4	100.00
26434	Matryoshka	REGEX023	4	100.00
26435	Euclid	REGEX024	3	100.00
26436	Latin squares	REGEX025	2	75.00
26437	Dominoes	REGEX026	4	100.00