/in/foo.cc: In function 'int main()':
/in/foo.cc:16:8: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
        else
        ^~~~
/in/foo.cc:19:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
         if(w > 10)
         ^~
/in/foo.cc:5:2: warning: 'a' is used uninitialized in this function [-Wuninitialized]
  if(a > 1000)
  ^~
/in/foo.cc:19:9: warning: 'w' is used uninitialized in this function [-Wuninitialized]
         if(w > 10)
         ^~