/in/foo.cc: In function 'int main()':
/in/foo.cc:40:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
             if (it==s.begin()) continue; it--;
             ^~
/in/foo.cc:40:42: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
             if (it==s.begin()) continue; it--;
                                          ^~