运行 ID: 102404

Main.cc: In function ‘int main()’:
Main.cc:12:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0;i < s.size();i++){
                 ~~^~~~~~~~~~
Main.cc:24:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0;i < vec.size();i++){
                 ~~^~~~~~~~~~~~
Main.cc:27:10: error: expected ‘}’ at end of input
  return 0;
          ^