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when toggle format what by license comment
Oct 2, 2014 at 12:20 comment added Igor Rivin @Tangshutao see the edit...
Oct 2, 2014 at 12:20 history edited Igor Rivin CC BY-SA 3.0
gave explanation
Oct 2, 2014 at 3:20 vote accept xyz
Oct 1, 2014 at 13:34 comment added xyz +1,As the n becoming larger and larger ,like 1000000,your alogrithm is fastest.:-),BTW, could you give a explanation to your algorithm? Thanks !!
Oct 1, 2014 at 13:27 history edited Igor Rivin CC BY-SA 3.0
fixed typo
Oct 1, 2014 at 12:57 history edited Igor Rivin CC BY-SA 3.0
added matrix implementation, discussed performance
Oct 1, 2014 at 9:27 history answered Igor Rivin CC BY-SA 3.0