南阳72

 1 #include<stdio.h>
 2 
 3 int main()
 4 {
 5     double ans,x;
 6     int n=12;
 7     while(n--)
 8     {
 9         scanf("%lf",&x);
10         ans+=x;
11     }
12     ans/=12;
13     printf("%.2f\n",ans);
14 }

 

转载于:https://www.cnblogs.com/qq188380780/p/6219619.html