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Foundations of Public Key Cryptography
usqrt.sage
8
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ubuntu2004
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1
def
usqrt
(
n
)
:
2
ur
=
isqrt
(
n
)
3
if
ur
*
*
2
<
n
:
4
ur
=
ur
+
1
5
return
(
ur
)
6
7