Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
92528 LJY 22第n项的数 C++ Wrong Answer 1 MS 280 KB 416 2024-10-05 16:41:06

Tests(4/5):

Code:

# include<iostream> # include<cmath> # include<cstdio> # include<cmath> //平方根 # include<cstdlib> //随机数 # include<ctime> using namespace std; int main(){ int n,a[4],i; cin>>n; for (i=1;i<=4;i++){ cin>>a[i]; } if (a[2]-a[1]!=a[3]-a[2]){ cout<<a[1]*pow(a[2]/a[1]*1.0,n-1); } else{ cout<<a[1]+(a[2]-a[1])*(n-1); } return 0; }

Run Info:

------Input------

10
1 5 25 125

------Answer-----

1953125

------Your output-----

1.95312e+06