题解 | #Financial Management#

//测试用例有个错的，没有进位，应该是59.10才对
#include "stdio.h"

int main(){
    double array[12];
    while (scanf("%lf",&array[0])!=EOF){
        double sum = array[0];
        for (int i = 1; i < 12; ++i) {
            scanf("%lf",array+i);
            sum += array[i];
        }
        double average = sum/12;
//        average = average*1000; //最后的解决进位问题
//        if(int(average)%10 >= 5)
//            average = int(average)/10+1;
//        else
//            average = int(average)/10;
//        average = average/100;
        printf("$%.2lf\n",average);
    }
}