Giải bài trực tuyến (SPOJ)

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Số bạn làm được	Số bài nộp	TỈ LỆ %	Làm sai	Biên dịch gặp lỗi	Khi chạy gặp lỗi	Chạy quá thời gian
271	1610	500	580	315	161	50

RANK	GIỜ NỘP	Tài khoản:	RESULT	MEM	NGÔN NGỮ
81	2012-01-01 08:49:23	`	12	4.4M	PERL
82	2012-01-02 05:13:38	Wing D. Cloud	12	4.4M	PERL
83	2012-01-03 08:29:40	San San	12	4.4M	PERL
84	2012-01-04 08:24:54	N..H..K..D	12	4.4M	PERL
85	2012-01-04 09:06:55	up	12	4.4M	PERL
86	2012-01-05 09:38:03	Tớ thik cậu Ngọc à ^^	12	4.4M	PERL
87	2012-01-27 08:23:32	Phồng Tôm	12	4.4M	PERL
88	2012-02-19 16:32:43	saodem74	12	4.4M	PERL
89	2012-03-03 15:28:14	MinhThao	12	4.4M	PERL
90	2012-03-12 04:42:26	XYZ	12	4.4M	PERL
91	2012-03-15 10:30:51	Nguyễn Mạnh Tuấn	12	4.4M	PERL
92	2012-03-15 12:54:35	blackstart	12	4.4M	PERL
93	2012-04-07 15:24:29	F5	12	4.4M	PERL
94	2012-04-09 13:34:19	Pham Ba Quy	12	4.4M	PERL
95	2012-05-05 16:48:50	vo danh	12	4.4M	PERL
96	2012-05-10 13:44:52	Củ Lạc Giòn Tan	12	4.4M	PERL
97	2012-05-10 14:43:53	Anonymous	12	4.4M	PERL
98	2012-05-11 14:50:56	Kimo	12	5.8M	PERL
99	2012-05-12 05:53:49	Dumbledore	12	4.4M	PERL
100	2012-05-12 13:35:57	nguyen thanh hien	12	4.4M	PERL

code...