RosettaCodeData/Task/Modular-exponentiation/Sidef/modular-exponentiation-2.sidef
2016-12-05 23:44:36 +01:00

8 lines
132 B
Text

func expmod(a, b, n) {
var c = 1
do {
(c *= a) %= n if b.is_odd
(a *= a) %= n
} while (b //= 2)
c
}