/in/foo.cc: In function 'bool BeMatricEqual(const std::vector<std::vector<int> >&, const std::vector<std::vector<int> >&, int)':
/in/foo.cc:20:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for (int i = 0; i < n; ++i)
     ^~~
/in/foo.cc:25:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  return true;
  ^~~~~~