Lua合并区间：排序后顺序归并

local function mergeSegs(segs)
    table.sort(segs, function(a, b)
        return a[1] < b[1]
    end)
    local out = {segs[1]}
    for i = 2, #segs do
        local last = out[#out]
        if segs[i][1] <= last[2] then
            last[2] = math.max(last[2], segs[i][2])
        else
            out[#out + 1] = segs[i]
        end
    end
    return out
end

local p = getplayerbyname("segs01")
local result = mergeSegs({{1, 4}, {3, 6}, {8, 10}})
for _, seg in ipairs(result) do
    sendmsg(p, 1, seg[1] .. "-" .. seg[2])
end