RosettaCodeData/Task/Combinations/Icon/combinations-1.icon

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procedure main()
return combinations(3,5,0)
end
procedure combinations(m,n,z) # demonstrate combinations
/z := 1
write(m," combinations of ",n," integers starting from ",z)
every put(L := [], z to n - 1 + z by 1) # generate list of n items from z
write("Intial list\n",list2string(L))
write("Combinations:")
every write(list2string(lcomb(L,m)))
end
procedure list2string(L) # helper function
every (s := "[") ||:= " " || (!L|"]")
return s
end
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