/in/foo.cc: In function 'int FindiMinPos(int*, int)':
/in/foo.cc:13:9: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return k;
         ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:25:24: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout<<FindiMinPos(b,n2)<<endl;
                        ^
/in/foo.cc:24:27: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout<<FindiMinPos(a,n1)<<" ";
                           ^~~