#include<bits/stdc++.h> using namespace std; int main() { int n; int w; cin>>n; int a[n]; for(int i=0;i<=n;i++){ cin>>a[i]; } cout<<a[i]<<endl; int sum = 0; for (int i = 0; i <= n - 1; i++) { sum = sum + a[i]; } cout << sum << endl; //数组求和：累加器 int sum = 0; for (int i = 0; i <= n - 1; i++) { sum = sum + a[i]; } cout << sum << endl; //求平均数 float p = sum * 1.0 / n; printf("%.2f", p); cout << endl; //求大于平均数的和：累加器 int c = 0; for (int i = 0; i <= n - 1; i++) { if (a[i] > max) { max=a[i]; index=i; } } cout << c << endl; } cout << count << endl; //输出所有大于平均数 for (int i = 0; i <= n - 1; i++) { if (a[i] > p) { cout << a[i] << " "; } } //求最大值：计数器 int max = a[0] ; //第1个计数器记录最大值本身 int index = 0; // 第2个计数器下标 for(int i=0;i<=n-1;i++){ if (a[3] > max) { max = a[3]; index = 3; } } maX=w; } return 0; }