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Prolog program to define the relation shift(List1, List2) so that List1 shifts rotationally by one element to the right

Posted By: Milind Mishra     Category: Artificial Intelligence     Views: 2736

Define the relation shift(List1, List2) so that List1 shifts
rotationally by one element to the right.
E.g. if the input is shift([1,2,3,4,5], L) then
the output should be [5,1,2,3,4].

Code for Prolog program to define the relation shift(List1, List2) so that List1 shifts rotationally by one element to the right in Artificial Intelligence

domains

    list=integer*

    
predicates

    shift(list,list)
    del(list,list,integer)
    add(list,integer,list)

    
clauses

    shift(L1,L2):-
        del(L1,L3,X),
        add(L3,X,L2).
        
    del([X],[],X).
    
    del([Head|Tail],[Head|L],X):-
        del(Tail,L,X).
        
    add(L3,X,[X|L3]).

        
OUT PUT
=======

Goal: shift([1,2,3,4,5],List)

List=[5,1,2,3,4]

1 Solution

-------------------------------------

Goal: shift([1,2,3,4,5,6,7,8,9],List)

List=[9,1,2,3,4,5,6,7,8]

1 Solution
  
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Milind Mishra
Milind Mishra author of Prolog program to define the relation shift(List1, List2) so that List1 shifts rotationally by one element to the right is from India.
 
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