// Function to find x A n using p static long power (long x, long y, { } // Initialize result = 1; long res // Update x if it is more than // equal to p X x % p; while (y > 0) { } // If y is odd, multiply x // with result if (y % 2 == 1) res = (res * // y must y X = be even now >> 1; // y = y/2 x) % p; y (x * x) % p; return res;
// Function to find x A n using p static long power (long x, long y, { } // Initialize result = 1; long res // Update x if it is more than // equal to p X x % p; while (y > 0) { } // If y is odd, multiply x // with result if (y % 2 == 1) res = (res * // y must y X = be even now >> 1; // y = y/2 x) % p; y (x * x) % p; return res;
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Complete these.
![// Function to find x ^ n using p
static long power (long x,
long y,
{
}
// Initialize result
= 1;
long res
// Update x if it is more than
// equal to p
X
= x % p;
while (y > 0) {
}
// If y is odd, multiply x
// with result
if (y % 2
== 1)
res
(res x) % P;
y
X
// y must be even now
y >> 1; // y = y/2
(X)
*
x) % p;
=
=
=
return res;
*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F57178f9d-bcde-41d4-8dc8-84248f66c4b6%2F1023123c-874d-4180-9365-0a82e5b453ea%2F7u27xyr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:// Function to find x ^ n using p
static long power (long x,
long y,
{
}
// Initialize result
= 1;
long res
// Update x if it is more than
// equal to p
X
= x % p;
while (y > 0) {
}
// If y is odd, multiply x
// with result
if (y % 2
== 1)
res
(res x) % P;
y
X
// y must be even now
y >> 1; // y = y/2
(X)
*
x) % p;
=
=
=
return res;
*
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