/in/foo.cc: In function 'void MoveLeft(int*, int, int)':
/in/foo.cc:6:20: warning: variable 'd' set but not used [-Wunused-but-set-variable]
  int p;int i;int c,d;
                    ^
/in/foo.cc:14:12: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
   arr[n-1] =c; 
   ~~~~~~~~~^~