/in/foo.cc: In function 'int read()':
/in/foo.cc:7:2: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
  while(isdigit(c=getchar())) x=x*10+c-'0'; return x;
  ^~~~~
/in/foo.cc:7:44: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while'
  while(isdigit(c=getchar())) x=x*10+c-'0'; return x;
                                            ^~~~~~