/in/foo.cc: In function 'long long int read()':
/in/foo.cc:13:2: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
  while(c>='0'&&c<='9') x=x*10+c-48,c=getchar();return x*f;
  ^~~~~
/in/foo.cc:13:48: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while'
  while(c>='0'&&c<='9') x=x*10+c-48,c=getchar();return x*f;
                                                ^~~~~~