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Tina Müller 2016-12-05 23:44:36 +01:00
parent 9dc3c2bb62
commit bba7bfd280
13208 changed files with 134745 additions and 0 deletions
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1
Task/Modular-inverse/Sidef/modular-inverse-1.sidef Normal file
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say 42.modinv(2017)

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Task/Modular-inverse/Sidef/modular-inverse-2.sidef Normal file
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func invmod(a, n) {
var (t, nt, r, nr) = (0, 1, n, a % n)
while (nr != 0) {
var quot = int((r - (r % nr)) / nr);
(nt, t) = (t - quot*nt, nt);
(nr, r) = (r - quot*nr, nr);
}
r > 1 && return()
t < 0 && (t += n)
t
}
say invmod(42, 2017)