/in/foo.cc: In function 'std::__cxx11::string Ask(std::__cxx11::string)':
/in/foo.cc:14:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=n;i<2*n;i++)
  ^~~
/in/foo.cc:15:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   s+=s[i-n];i=0;
             ^