mirror of
https://bitbucket.org/Mattrixwv/projecteulerpython.git
synced 2025-12-06 17:43:58 -05:00
Changed problems to work with a driver function
This commit is contained in:
107
Problems/Problem5.py
Normal file
107
Problems/Problem5.py
Normal file
@@ -0,0 +1,107 @@
|
||||
#ProjectEulter/Python/Project5.py
|
||||
#Matthew Ellison
|
||||
# Created: 01-28-19
|
||||
#Modified: 07-17-20
|
||||
#What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?
|
||||
#Unless otherwise listed, all of my non-standard imports can be gotten from my pyClasses repository at https://bitbucket.org/Mattrixwv/pyClasses
|
||||
"""
|
||||
Copyright (C) 2020 Matthew Ellison
|
||||
|
||||
This program is free software: it can redistribute it and/or modify
|
||||
it under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at itr option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Lesser General Public License for more details.
|
||||
|
||||
it should have received a copy of the GNU Lesser General Public License
|
||||
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
"""
|
||||
|
||||
|
||||
from Problems.Problem import Problem
|
||||
from Stopwatch import Stopwatch
|
||||
from Unsolved import Unsolved
|
||||
|
||||
|
||||
class Problem5(Problem):
|
||||
#Variables
|
||||
__startNum = 1
|
||||
__stopNum = 20
|
||||
|
||||
#Functions
|
||||
#Constructor
|
||||
def __init__(self):
|
||||
super().__init__("What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?")
|
||||
self.smallestNum = 0
|
||||
|
||||
#Operational functions
|
||||
#Solve the problem
|
||||
def solve(self):
|
||||
#If the problem has already been solved do nothing and end the function
|
||||
if(self.solved):
|
||||
return
|
||||
|
||||
#Start the timer
|
||||
self.timer.start()
|
||||
|
||||
#Start at 20 and loop through all numbers until it find one that works
|
||||
#It must be at least 20 to be divisible by 20
|
||||
numFound = False #A flag for finding the divisible number
|
||||
currentNum = 20 #The number that it are currently checking against
|
||||
while((currentNum > 0) and (not numFound)):
|
||||
#Set that it found the number to true, because it sets this flag when it doesn't find it
|
||||
numFound = True
|
||||
#See if the current number is divisible by all numbers from 1 to 20
|
||||
for divisor in range(self.__startNum, self.__stopNum + 1):
|
||||
#If it is not set a flag to move to the next possible number
|
||||
if((currentNum % divisor) != 0):
|
||||
numFound = False
|
||||
break
|
||||
|
||||
#Increment the number by 2 to check the next one if it didn't find the number
|
||||
if(not numFound):
|
||||
currentNum += 2
|
||||
|
||||
self.smallestNum = currentNum
|
||||
|
||||
#Stop the timer
|
||||
self.timer.stop()
|
||||
|
||||
#Save the results
|
||||
if(currentNum < 0):
|
||||
self.result = "There was an error: Could not find a number that fit the criteria"
|
||||
else:
|
||||
self.result = "The smallest positive number that is evenly divisible by all numbers 1-20 is " + str(self.smallestNum)
|
||||
|
||||
#Throw a flag to show the problem is solved
|
||||
self.solved = True
|
||||
#Reset the problem so it can be run again
|
||||
def reset(self):
|
||||
super().reset()
|
||||
self.smallestNum = 0
|
||||
|
||||
#Gets
|
||||
#Returns the requested number
|
||||
def getNumber(self) -> int:
|
||||
#If the problem hasn't been solved throw an exceptions
|
||||
if(not self.solved):
|
||||
raise Unsolved("You must solve the problem before you can get the requested number")
|
||||
return self.smallestNum
|
||||
|
||||
#If it are running this file, automatically start the correct function
|
||||
if __name__ == '__main__':
|
||||
problem = Problem5()
|
||||
print(problem.getDescription()) #Print the description of the problem
|
||||
problem.solve() #Solve the problem
|
||||
#Print the results
|
||||
print(problem.getResult())
|
||||
print("It took " + problem.getTime() + " to solve this algorithm")
|
||||
|
||||
"""Results:
|
||||
The smallest positive number that is evenly divisible by all numbers 1-20 is 232792560
|
||||
It took 50.236 seconds to run this algorithm
|
||||
"""
|
||||
Reference in New Issue
Block a user