/in/foo.cc: In function 'long long unsigned int zuhe(long long unsigned int, long long unsigned int)':
/in/foo.cc:7:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1;i<=m;i++)
                 ~^~~
/in/foo.cc:9:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1;i<=n;i++)
                 ~^~~
/in/foo.cc: In function 'long long unsigned int pailie(long long unsigned int, long long unsigned int)':
/in/foo.cc:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1;i<=m;i++)
                 ~^~~
/in/foo.cc:20:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1;i<=(m-n);i++)
                 ~^~~~~~~