Sphere Online Judge (SPOJ)

Private submission

Private submission won't be visible to other users and
won't be taken into consideration in ranks.

Disqualify submission

Your submission will be disqualified. Operation
is not reversible.

Hidden submission

Public submission

Click here to view source code.

Source code of every submission to this problem
in this contest is public.

Help

Pell (Mid pelling) statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
42	649	223	103	35	100	148

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2013-08-07 06:43:53	Mitch Schwartz	accepted	0.21	7.1M	HASK
2	2018-02-18 13:59:46	[Lakshman]	accepted	0.24	123M	PYPY
3	2024-08-29 11:11:12	Stavage Knight	accepted	0.27	60M	PYPY3
4	2025-06-03 14:46:11	周雨欣	accepted	0.36	5.2M	CPP14
5	2014-12-22 00:02:44	Mitch Schwartz	accepted	0.44	8.5M	PYTHON3
6	2014-12-20 19:43:56	numerix	accepted	0.48	8.5M	PYTHON3
7	2022-12-27 09:09:32	RR	accepted	0.48	63M	PYPY3
8	2025-02-04 06:32:10	Claudy Forrest	accepted	0.48	59M	PYPY3
9	2018-02-24 10:29:56	wisfaq	accepted	0.53	23M	PYTHON
10	2023-09-16 23:29:18	Jhon	accepted	0.56	9.9M	HASK
11	2014-12-16 13:23:58	Viplov Jain	accepted	0.58	9.2M	HASK
12	2025-02-04 07:14:48	Claudy Forrest	accepted	0.61	14M	PYTHON3
13	2013-07-24 02:36:49	Mitch Schwartz	accepted	0.62	4.3M	PYTHON
14	2013-07-24 11:47:12	numerix	accepted	0.66	4.0M	PYTHON
15	2024-08-29 11:13:43	Stavage Knight	accepted	0.66	11M	PYTHON3
16	2013-02-16 20:08:45	Don Juan José	accepted	0.68	1.8M	C
17	2013-08-07 00:59:56	Federico Lebron	accepted	0.69	9.1M	HASK
18	2024-11-17 09:53:42	flu	accepted	0.69	11M	PYTHON3
19	2013-11-24 18:00:52	Min_25	accepted	0.70	11M	PYTHON3
20	2013-07-24 22:26:11	numerix	accepted	0.77	12M	RUBY