/in/foo.cc: In function 'int main()':
/in/foo.cc:116:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
      if(i_d>=1&&i_d<=31) sum++; cout<<sum;
      ^~
/in/foo.cc:116:33: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
      if(i_d>=1&&i_d<=31) sum++; cout<<sum;
                                 ^~~~