foo.cc: In function 'int main()':
foo.cc:7:18: warning: 'a' is used uninitialized [-Wuninitialized]
    7 |         while(a[s]!=-1)
      |               ~~~^
foo.cc:5:16: note: 'a' declared here
    5 |         double a[10001],sum=0,max=-100000,min=100000;
      |                ^

正在同步测试数据，请稍后
[Hydro](https://hydro.ac)提供评测服务