/in/foo.cc: In function 'int main()':
/in/foo.cc:142:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if (mm%3==1)res.de();if (mm%3==0)res.jia();
   ^~
/in/foo.cc:142:24: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   if (mm%3==1)res.de();if (mm%3==0)res.jia();
                        ^~