Knapsack Difficulties of getting out of bed

[视频作者] HPPPeace

[视频时长] 3:31

[视频类型] 音乐综合

https://osu.ppy.sh/beatmapsets/1545077#osu/3158163 分析:本题常规做法是将幂指函数指数化:(1+x)"" =etan x ln(1+x),如解析;但受x >O时,( 1+x)"- l ~ ax的影响,考虑x →O时,(1+x)"(c() _1-(x)m(t力_l, 若α(x)In(1+x)→0.即a (x)-x。→>0,则有(1+x)“(*) 一1 ~ a(e) tn (ly) -a(x)于 https://osu.ppy.sh/beatmapsets/