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Please help me with any better solution to find same elements in them same order on any two lists.

q)list3:(`red`green`black`orange)
q)list4:(`red`pink`green`white`black)
q)list5:(`white`orange`pink`black)

q)r:(inter/)(list3;list4)
q)all (list3?r) <= list4?r
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q)r:(inter/)(list4;list5)
q)all (list4?r) <= list5?r
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1 Answer 1

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You can try something like this:

q){i~x inter i:y inter x}[list4;list5]
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q){i~x inter i:y inter x}[list3;list4]
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q){i~x inter i:y inter x}[list4;list3]
1b
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