/in/foo.c: In function 'main':
/in/foo.c:16:3: warning: implicit declaration of function 'MoveRight' [-Wimplicit-function-declaration]
   MoveRight(a,n);
   ^~~~~~~~~
/in/foo.c: At top level:
/in/foo.c:25:6: warning: conflicting types for 'MoveRight'
 void MoveRight(int a[],int n)
      ^~~~~~~~~
/in/foo.c:16:3: note: previous implicit declaration of 'MoveRight' was here
   MoveRight(a,n);
   ^~~~~~~~~