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#!/usr/bin/env lua
-- run <script> <m n> to get n-number combos from 1..m
function comb(t)
local row={[0]={{}}}
for i=1,#t do
local tempRow={[0]={{}}}
for k=1,i do
local item={}
if (row[k]) then
for ix=1,#(row[k]) do
table.insert(item,row[k][ix])
end
end
for ixx=1,#(row[k-1]) do
local old=table.pack(table.unpack(row[k-1][ixx]))
table.insert(old,t[i])
table.insert(item,old)
end
table.insert(tempRow,item)
end
row=tempRow
end
return row
end
local t={}
for i=1,arg[1] do
table.insert(t,i)
end
for _,v in ipairs(comb(t)[tonumber(arg[2])]) do
print(table.unpack(v))
end
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