Problem Description Determine whether a sequence is a Geometric progression or not. In mathematics, a **geometric progression**, also known , , , , ... . Similarly , , /. Examples of a geometric sequence are powers rk of a fixed number r, such as 2k…
注意题目中的这句话he put the strawberries on the cake randomly one by one,第一次选择草莓其实有N个可能,以某一个草莓为开头,然后顺序的随机摆放,所以最后的概率为n/m^(n-1),最后通过大数模板搞定该题的化简. C++代码 #include<iostream> #include<cstring> #include<cstdio> #include<iomanip> #include<algori…