dckong的博客

题目描述： 通过悬崖的yifenfei，又面临着幽谷的考验—— 幽谷周围瘴气弥漫，静的可怕，隐约可见地上堆满了骷髅。由于此处长年不见天日，导致空气中布满了毒素，一旦吸入体内，便会全身溃烂而死。 幸好yifenfei早有防备，提前备好了解药材料（各种浓度的万能药水）。现在只需按照配置成不同比例的浓度。 现已知yifenfei随身携带有n种浓度的万能药水，体积V都相同，浓度则分别为Pi%。并且知

题目描述：Long time ago , Kitty lived in a small village. The air was fresh and the scenery was very beautiful. The only thing that troubled her is the typhoon.When the typhoon came, everything is