/in/foo.cc: In function 'int P1673::search()':
/in/foo.cc:66:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (step[neoState] > cost + 1)
          ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:74:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (minStep > step[neoState]) {
           ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:84:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (step[neoState] > cost + 1)
          ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:92:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (minStep > step[neoState]) {
           ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:102:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (step[neoState] > cost + 1)
          ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:110:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (minStep > step[neoState]) {
           ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:120:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (step[neoState] > cost + 1)
          ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:128:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (minStep > step[neoState]) {
           ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:146:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (step[neoState] > cost + 1)
           ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:154:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
        if (minStep > step[neoState]) {
            ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:173:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (step[neoState] > cost + 1)
           ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:182:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
        if (minStep > step[neoState]) {
            ~~~~~~~~^~~~~~~~~~~~~~~~