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ozzi
3 years ago
12

PrimeFactorization.java: Write a program that begins by reading in a series of positive integers on a single line of input and t

hen computes and prints the product of those integers. Integers are accepted and multiplied until the user enters an integer less than 1. This final number is not part of the product. Then, the program prints the product. If the first entered number is negative or 0, the program must print "Bad input." and terminate immediately. Next, the program determines and prints the prime factorization of the product, listing the factors in increasing order. If a prime number is not a factor of the product, then it must not appear in the factorization. Multiple sample runs are given below. Note that if the power of a prime is 1, then that 1 must appear in the answer. Note: Your program’s prompt and output messages must conform to the following spelling and spacing. - Sample Run 1: Enter integers: 882 18 26 -45 Product: 412776 Prime factorization: 2ˆ3 3ˆ4 7ˆ2 13ˆ1 - Sample Run 2: Enter integers: 19 -5 Product: 19 Prime factorization: 19ˆ1 - Sample Run 3: Enter integers: -37 99 124 22 -65
Computers and Technology
1 answer:
Mkey [24]3 years ago
3 0

Answer:

See attached file for detailed code.

Explanation:

See attached file.

Download txt
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Which of the following are not valid assignment statements? A) total = 9;
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Answer:

The correct option for the given question is option(b) i.e 72 = amount;

Explanation:

In the option(a) the total variable store the value 9 which is a valid assignment  

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3 years ago
Write a regular expression pattern that matches strings representing trains. A single letter stands for each kind of car in a tr
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Answer:

See explaination

Explanation:

import re

def isValidTrain(train):

pattern = r'^E+(((P|PP|PPP|PPPP)D)*(BB)*)*C$'

if re.match(pattern, train):

return True

return False

def checkAndPrintTrain(train):

print("Train", train, "is valid:", isValidTrain(train))

checkAndPrintTrain("EC")

checkAndPrintTrain("EEEPPDBBPDBBBBC")

checkAndPrintTrain("EEBB")

checkAndPrintTrain("EBBBC")

checkAndPrintTrain("EEPPPPPPDBBC")

checkAndPrintTrain("EEPPBBC")

checkAndPrintTrain("EEBBDC")

Sample output

Train EC is valid: True

Train EEEPPDBBPDBBBBC is valid: True

Train EEBB is valid: False

Train EBBBC is valid: False

Train EEPPPPPPDBBC is valid: False

Train EEPPBBC is valid: False

Train EEBBDC is valid: False

6 0
3 years ago
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