interesting treatment of n?0 for different zeroes. show the range of many rolls:
q)flip (min;max)@'\:10000?/:"idmpz"$\:0
-2147220343 2147473647
2000.01.01 2003.12.31
2000.01 2003.12
2000.01.01D15:44:08.050010204 2003.12.31D18:08:55.703692592
2000.01.01T00:00:00.000 2000.01.01T00:00:00.000
