前缀平均值
作者:
见习炼丹师 | 来源:发表于
2018-06-22 16:06 被阅读0次#include <iostream>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <queue>
#include <cmath>
#define ll long long
using namespace std;
double A[1000000];
double B[1000000];
double X[1000000];
int main()
{
int N;
cin >> N;
A[0] = B[0] = X[0] = 0;
for(int i = 1; i <= N; ++i)
{
cin >> X[i];
B[i] = X[i] + B[i-1];
A[i] = B[i]/ (i);
}
for(int i = 1; i <= N; ++i)
printf("%.2lf ", A[i]);
return 0;
}
本文标题:前缀平均值
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