南阳72

 1 #include<stdio.h>
 2 int main()
 3 {
 4     double ans,x;
 5     int n=12;
 6     while(n--)
 7     {
 8         scanf("%lf",&x);
 9         ans+=x;
10     }
11     ans/=12;
12     printf("%.2f
",ans);
13 }
原文地址:https://www.cnblogs.com/qq188380780/p/6228865.html