Shortening codes (SPOJ)

ID	NAME	CODE	USERS	ACC %
26387	Warmup	REGEX001	144	95.54
26399	Anchors	REGEX002	127	98.80
26400	Ranges	REGEX003	116	99.34
26401	Backrefs	REGEX004	103	100.00
26402	Abba	REGEX005	63	93.00
26403	A man, a plan	REGEX006	30	89.80
26404	Prime	REGEX007	37	98.25
26405	Four	REGEX008	43	93.22
26406	Order	REGEX009	38	98.00
26407	Triples	REGEX010	19	86.67
26408	Glob	REGEX011	23	97.78
26409	Balance	REGEX012	22	100.00
26410	Powers	REGEX013	26	98.15
26411	Long count	REGEX014	28	100.00
26426	Alphabetical	REGEX015	16	100.00
26427	Powers 2	REGEX016	19	94.74
26428	Subtraction	REGEX017	17	100.00
26429	Typist	REGEX018	17	100.00
26430	Addition	REGEX019	15	100.00
26431	Anyway	REGEX020	0	0.00
26432	Tic-tac-toe	REGEX021	15	100.00
26433	Modulus	REGEX022	10	100.00
26434	Matryoshka	REGEX023	10	100.00
26435	Euclid	REGEX024	8	100.00
26436	Latin squares	REGEX025	5	85.71
26437	Dominoes	REGEX026	7	100.00