Use the old-school square root algorithm from class: by hand, find the largest integer t ≤ √√762309 . Show your work. Check your answer:

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
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# simple implementation of old-school square root algorithm RBH2023
# (my parent showed me this, not sure what it is called)
# input: positive integer n
# output: q = floor(sqrt(n)), and remainder r = q*q
def basehundred (n):
L = []
while n > 0:
L.append(n% 100)
n = n // 100
L.reverse()
return L
def ossqrt(n):
q, r = 0,0 # quotient, remainder
L = basehundred (n)
for dd in L: #dd next digit-pair from n
S = 20*q #LHS multiplier
q, r = 10*q, 100*r + dd
digit = 0
while ((s+digit+1)*(digit+1)
<= r):
digit += 1
assert ((0 <= digit) and (digit <= 9))
print(r, '=', s+digit, '*', digit, '+ ',end='')
q, r = q + digit, r - (s+digit)*digit
print (r)
assert (q*q <= n and ((q+1)*(q+1)) > n)
return q, r
n = 741177
q, r = ossqrt(n)
print('\n', n,'
= ',q,' * ',q,' + '‚r‚ sep='')
Transcribed Image Text:# simple implementation of old-school square root algorithm RBH2023 # (my parent showed me this, not sure what it is called) # input: positive integer n # output: q = floor(sqrt(n)), and remainder r = q*q def basehundred (n): L = [] while n > 0: L.append(n% 100) n = n // 100 L.reverse() return L def ossqrt(n): q, r = 0,0 # quotient, remainder L = basehundred (n) for dd in L: #dd next digit-pair from n S = 20*q #LHS multiplier q, r = 10*q, 100*r + dd digit = 0 while ((s+digit+1)*(digit+1) <= r): digit += 1 assert ((0 <= digit) and (digit <= 9)) print(r, '=', s+digit, '*', digit, '+ ',end='') q, r = q + digit, r - (s+digit)*digit print (r) assert (q*q <= n and ((q+1)*(q+1)) > n) return q, r n = 741177 q, r = ossqrt(n) print('\n', n,' = ',q,' * ',q,' + '‚r‚ sep='')
Use the old-school square root algorithm from class: by hand, find the largest
integer t ≤ 762309. Show your work. Check your answer:
Transcribed Image Text:Use the old-school square root algorithm from class: by hand, find the largest integer t ≤ 762309. Show your work. Check your answer:
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