/in/foo.cc: In function 'int main()':
/in/foo.cc:13:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < s.length(); ++i) {
                   ~~^~~~~~~~~~~~
/in/foo.cc:7:29: warning: 'tempWordLength' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int n, maxWordLength, cnt, tempWordLength;
                             ^~~~~~~~~~~~~~