foo.cc: In function 'int main()':
foo.cc:13:6: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout<<k;
  ~~~~^~~
foo.cc: In function 'int FindiMax(int*, int)':
foo.cc:23:9: warning: 'max' 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。