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history/ttt/20130713-203901.txt
editor : alpha [83.158.144.231] 2013/07/13 20:39:01 {pre {define fac (n) function _fac (x) { return (x< 1)? 1 : x*_fac(x-1) } return _fac(n) } {fac 13} {define ifac (n) function _ifac (r,x) { return (x< 1)? r : _ifac( r*x, x-1 ) } return _ifac(1, n) } {ifac 12} }