/in/foo.cc: In function 'int main()':
/in/foo.cc:12:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   12 |         else
      |         ^~~~
/in/foo.cc:20:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   20 |                 cout<<sum;
      |                 ^~~~