#include <iostream> #include <iomanip> using namespace std; int main(){ int a[100],i,j,n,t,s = 0; double v; cin>>n; for(i = 0;i < n;i++){ cin>>a[i]; s = s + a[i]; } v = s * 1.0 / n; t = 0; //求平均分及以上的总人数 for(i = 0;i < n;i++){ if(a[i] >= v){ t++; } } cout<<fixed<<setprecision(1)<<v<<" "; cout<<t<<" "<<(n - t)<<endl; } /************************************************************** Problem: 1231 User: admin Language: C++ Result: Accepted Time:56 ms Memory:2072 kb ****************************************************************/