foo.cc: In function 'int main()':
foo.cc:9:11: error: invalid types 'double [100005][double]' for array subscript
   cin>>a[i];
           ^
foo.cc:10:14: error: invalid operands of types 'double*' and 'double' to binary 'operator+'
  sort(a+1,a+1+m+n);
           ~~~^~
foo.cc:11:10: error: invalid operands of types 'double' and 'int' to binary 'operator%'
  if((m+n)%2==1)cout<<a[(m+n)/2+1];
     ~~~~~^~
foo.cc:11:33: error: invalid types 'double [100005][double]' for array subscript
  if((m+n)%2==1)cout<<a[(m+n)/2+1];
                                 ^
foo.cc:12:23: error: invalid types 'double [100005][double]' for array subscript
  else cout<<(a[(m+n)/2]+a[(m+n)/2+1])/2;
                       ^
foo.cc:12:36: error: invalid types 'double [100005][double]' for array subscript
  else cout<<(a[(m+n)/2]+a[(m+n)/2+1])/2;
                                    ^

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