Laps don't count. The ascent and descent must be the same road/path/trail/whatever. So in order to count, it's hill repeats. The grade needs to be steep-- the nutters really going after it are only looking at +12% average-- unless you want to spend 24 hours grinding it out.
A hill like the one Contador used would be fine on a SS, you'd just have to find the gear ratio you could comfortably climb it on, then just coast down. His hill was under 1km long, and he repeated it less than 80 times, IIRC.
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