// COMPLETE THREAD

Re: phone calls from hell

1 expanded post · every known parent and child

NODE 53cbf1a1Re: phone calls from hell Simon Spero <ses@tipper.oit.unc.edu>Mon, 8 Jan 1996 06:30:14 +0800

Hey - he spent so much time training suicide bombers maybe the phone was 
set to blow if anyone dialed the, er,  Samaritans.

Simon

(defun modexpt (x y n)  "computes (x^y) mod n"
  (cond ((= y 0) 1) 	((= y 1) (mod x n))
	((evenp y) (mod (expt (modexpt x (/ y 2) n) 2) n))
	(t (mod (* x (modexpt x (1- y) n)) n))))