20 条题解

  • 0
    @ 2025-6-25 20:28:43
    
    # include <bits/stdc++.h>
    //ccccccccccccccccccccccccccccccccccccccccc
    //+++++++++++++++++++++++++++++++++++++++++
    //+++++++++++++++++++++++++++++++++++++++++
    using namespace std;
    double n,k,sum;
    int main(){
    	cin>>n;
    	for(int i = 1;i<=n;i++){
    		cin>>k;
    		sum+=k;
    	}
    	printf("%.2lf\n",sum/n);
    	return 0;
    }
    

    信息

    ID
    933
    时间
    1000ms
    内存
    128MiB
    难度
    4
    标签
    递交数
    846
    已通过
    418
    上传者