Shortening codes (SPOJ)

ID	NAME	CODE	USERS	ACC %
26387	Warmup	REGEX001	204	96.69
26399	Anchors	REGEX002	180	99.13
26400	Ranges	REGEX003	167	99.53
26401	Backrefs	REGEX004	150	100.00
26402	Abba	REGEX005	108	94.67
26403	A man, a plan	REGEX006	52	28.87
26404	Prime	REGEX007	76	98.99
26405	Four	REGEX008	88	96.26
26406	Order	REGEX009	77	98.94
26407	Triples	REGEX010	51	90.32
26408	Glob	REGEX011	50	93.59
26409	Balance	REGEX012	49	98.44
26410	Powers	REGEX013	55	98.82
26411	Long count	REGEX014	56	100.00
26426	Alphabetical	REGEX015	33	97.92
26427	Powers 2	REGEX016	44	95.52
26428	Subtraction	REGEX017	35	97.56
26429	Typist	REGEX018	33	100.00
26430	Addition	REGEX019	29	100.00
26431	Anyway	REGEX020	0	0.00
26432	Tic-tac-toe	REGEX021	27	100.00
26433	Modulus	REGEX022	13	100.00
26434	Matryoshka	REGEX023	19	100.00
26435	Euclid	REGEX024	10	100.00
26436	Latin squares	REGEX025	7	88.89
26437	Dominoes	REGEX026	11	100.00