/in/foo.cc: In function 'long long int read()':
/in/foo.cc:9:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(f)x=-x;return x;
  ^~
/in/foo.cc:9:12: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
  if(f)x=-x;return x;
            ^~~~~~