CSP 202206-1 归一化处理

 答题

#include
#include
using namespace std;

int main() {
    int n;
    double variance=0,average=0;
    cin>>n;
    double a[n];
    for(int i=0;i>a[i];
        average+=a[i];
    }
    average=average/n;
    for(int i=0;i