Financial Management ZOJ 1048

Financial Management

就是个求平均数的

#include <iostream>
#include <iomanip>
using namespace std;

int main(){

    const int k=12;
    float month,sum=0;
    int i;
    for(i=0;i<k;i++){
        cin>>month;
        sum+=month;
    }
    cout<<"$"<<setiosflags(ios::fixed)<<setprecision(2)<<sum/(float)k;

    return 0;
}