Shortening codes (SPOJ)

ID	NAME	CODE	USERS	ACC %
26387	Warmup	REGEX001	56	91.76
26399	Anchors	REGEX002	46	96.36
26400	Ranges	REGEX003	39	98.11
26401	Backrefs	REGEX004	31	100.00
26402	Abba	REGEX005	22	85.42
26403	A man, a plan	REGEX006	19	90.62
26404	Prime	REGEX007	13	100.00
26405	Four	REGEX008	16	96.55
26406	Order	REGEX009	11	100.00
26407	Triples	REGEX010	4	81.82
26408	Glob	REGEX011	7	96.00
26409	Balance	REGEX012	5	100.00
26410	Powers	REGEX013	8	100.00
26411	Long count	REGEX014	8	100.00
26426	Alphabetical	REGEX015	5	100.00
26427	Powers 2	REGEX016	6	91.67
26428	Subtraction	REGEX017	2	100.00
26429	Typist	REGEX018	2	100.00
26430	Addition	REGEX019	2	100.00
26431	Anyway	REGEX020	0	0.00
26432	Tic-tac-toe	REGEX021	3	100.00
26433	Modulus	REGEX022	2	100.00
26434	Matryoshka	REGEX023	1	100.00
26435	Euclid	REGEX024	1	100.00
26436	Latin squares	REGEX025	1	100.00
26437	Dominoes	REGEX026	2	100.00