foo.cc: In function 'int main()':
foo.cc:8:11: warning: unused variable 'maxx' [-Wunused-variable]
     int n,maxx;
           ^~~~
foo.cc: In function 'int Getmaxmoney(int*, int)':
foo.cc:36:9: warning: 's1' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return max;
         ^~~

自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。