4460441_ac_0ms_288k.cpp

部分PKU上的源码

#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	double sum=0;
	double temp;
	for(int count=0;count<12;count++)
	{
		cin>>temp;
		sum+=temp;
	}
	sum=sum/12;
	sum*=100;
	int a=(int)sum;
	int b=a/100;
	int c=a%100;
	cout<<"$"<<b<<"."<<c;
	return 1;
}