/in/foo.cc: In function 'int P1673::search()':
/in/foo.cc:63:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (step[neoState] > cost + 1)
         ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:71:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (minStep < step[neoState]) {
          ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:81:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (step[neoState] > cost + 1)
         ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:89:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (minStep < step[neoState]) {
          ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:99:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (step[neoState] > cost + 1)
         ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:107:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (minStep < step[neoState]) {
          ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:117:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (step[neoState] > cost + 1)
         ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:125:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (minStep < step[neoState]) {
          ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:143:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (step[neoState] > cost + 1)
          ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:151:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (minStep < step[neoState]) {
           ~~~~~~~~^~~~~~~~~~~~~~~~
/in/foo.cc:170:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      if (step[neoState] > cost + 1)
          ~~~~~~~~~~~~~~~^~~~~~~~~~
/in/foo.cc:179:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (minStep < step[neoState]) {
           ~~~~~~~~^~~~~~~~~~~~~~~~