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

Posted By: Milind Mishra     Category: Artificial Intelligence     Views: 3720

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

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

domains

    list=integer*

    
predicates

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

    
clauses

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


OUT PUT
=======

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

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

1 Solution

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

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

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

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 left is from India.
 
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