/in/foo.cc: In function 'int read()':
/in/foo.cc:15:5: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
     while ((c = getchar()) == ' ' || c == '\n' || c == '\r');
     ^~~~~
/in/foo.cc:16:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while'
         if (c == '-') flag = true;
         ^~