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Changed problems to work with a driver function
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93
Problems/Problem1.py
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93
Problems/Problem1.py
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#ProjectEuler/Python/Problem1.py
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#Matthew Ellison
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# Created: 01-26-19
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#Modified: 07-17-20
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#What is the sum of all the multiples of 3 or 5 that are less than 1000
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#Unless otherwise listed, all of my non-standard imports can be gotten from my pyClasses repository at https://bitbucket.org/Mattrixwv/pyClasses
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"""
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Copyright (C) 2020 Matthew Ellison
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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from Problems.Problem import Problem
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from Stopwatch import Stopwatch
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from Unsolved import Unsolved
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class Problem1(Problem):
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#Variables
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__topNum = 999 #The largest number to be checked
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#Functions
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#Constructor
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def __init__(self):
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super().__init__("What is the sum of all the multiples of 3 or 5 that are less than 1000")
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self.fullSum = 0 #The sum of all the numbers
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#Operational functions
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#Solve the problem
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def solve(self):
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#If the problem has already been solved do nothing and end the function
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if(self.solved):
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return
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#Start the timer
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self.timer.start()
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#Check every number < 1000 to see if it is a multiple of 3 or 5. If it is add it to the running sum
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#Add one to topNum because range works on < instead of <=
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for num in range(1, self.__topNum + 1):
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if((num % 3) == 0):
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self.fullSum += num
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elif((num % 5) == 0):
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self.fullSum += num
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num += 1
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#Stop the timer
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self.timer.stop()
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#Throw a flag to show the problem is solved
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self.solved = True
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#Save the results
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self.result = "The sum of all number < " + str(self.__topNum + 1) + " is " + str(self.fullSum)
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#Reset the problem so it can be run again
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def reset(self):
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super().reset()
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self.fullSum = 0
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#Gets
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#Returns the requested sum
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def getSum(self) -> int:
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#If the problem hasn't been solved throw an exception
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if(not self.solved):
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raise Unsolved("You must solve the problem before can you see the sum")
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return self.fullSum
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#If you are running this file, automatically start the correct function
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if(__name__ == "__main__"):
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problem = Problem1()
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print(problem.getDescription()) #Print the description
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problem.solve() #Call the function that answers the problem
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#Print the results
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print(problem.getResult())
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print("It took " + problem.getTime() + " to solve this algorithm")
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"""Results:
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The sum of all the multiples of 3 or 5 is 233168
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It took 114.142 microseconds to run this algorithm
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"""
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