B. Mashmokh and ACM

Ô­ÌâÁ´½Ó Ìâ½â ¹Ø¼üÒòËØ£ºµ÷ºÍ¼¶Êý \(\frac{1}{n}+\frac{1}{n-1}+...+\frac{1}{2}+\frac{1}{1}\) ¿ÉÒÔ½üËÆ¿´³É \(log(n)\) code #include<bits/stdc++.h> using namespace std; #defin