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- Users: LordKinbote
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Adding numbers in a List?
Try using an accumulator to keep track of the sum so far. add(Lst,Sum) :- add(Lst,Sum,0). add([],Sum,Sum). add([X|Xs],Sum,Acc) :- NewAcc is Sum+Acc, add(Xs,Sum,NewAcc). I haven't tested it, but this should do the trick. The add/2 rule sets the accumulating helper to...- LordKinbote
- Post #2
- Forum: Prolog
