foo.cc: In function 'int main()':
foo.cc:47:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
     else
     ^~~~
foo.cc:49:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
  return 0;
  ^~~~~~

[Hydro](https://hydro.ac)提供评测服务