/in/foo.cc: In function 'long long int read()':
/in/foo.cc:18:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(;isdigit(ch);ch=getchar())x=x*10+ch-'0';return x*f;
  ^~~
/in/foo.cc:18:46: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(;isdigit(ch);ch=getchar())x=x*10+ch-'0';return x*f;
                                              ^~~~~~