poj 2142
摘要:Ms. Iyo Kiffa-Australis has a balance and only two kinds of weights to measure a dose of medicine. For example, to measure 200mg of aspirin using 300m
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posted @ 2017-02-17 14:20
我们一路向前,走过了错过了许多,唯有珍惜即时的拥有,才会少一些悔与恨 ,人人都会错过,人人都曾经错过,真正属于你的,永远不会错过
posted @ 2017-02-17 14:20
posted @ 2017-02-17 13:12