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

ID	DATE	PROBLEM	RESULT	TIME	MEM	LANG
1364011	2008-03-15 18:52:08	Is it a tree	accepted	0.00	2.7M	CPP
1363998	2008-03-15 18:46:15	Is it a tree	accepted	0.00	2.7M	CPP
1361127	2008-03-14 14:15:44	Is it a tree	wrong answer	0.03	2.7M	CPP

code...