foo.cc: In function 'int main()':
foo.cc:20:23: error: 'i' was not declared in this scope
   20 |                 if (a[i]<minn)
      |                       ^
foo.cc:25:54: error: expected '}' at end of input
   25 |         cout<<"max="<<maxn<<endl<<"min="<<minn<<endl;
      |                                                      ^
foo.cc:4:1: note: to match this '{'
    4 | {
      | ^

[Hydro](https://hydro.ac)提供评测服务