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ID	DATE	PROBLEM	RESULT	MEM	LANG
13313707	2014-12-31 06:44:45	Is it a tree	accepted	2.8M	C++ 4.3.2
13313679	2014-12-31 06:30:15	Is it a tree	accepted	2.7M	C++ 4.3.2
13313675	2014-12-31 06:29:09	Is it a tree	runtime error (SIGSEGV)	2.6M	C++ 4.3.2
13309513	2014-12-30 15:34:42	Is it a tree	wrong answer	2.8M	C++ 4.3.2

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