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Problem1.lua
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51
Problem1.lua
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--ProjectEuler/lua/Problem1.lua
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--Matthew Ellison
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-- Created: 02-01-19
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--Modified: 03-28-19
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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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--All of my requires, unless otherwise listed, can be found at https://bitbucket.org/Mattrixwv/luaClasses
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--[[
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Copyright (C) 2019 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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require "Stopwatch"
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timer = Stopwatch:create();
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timer:start();
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TOP_NUMBER = 999; --This is the largest number that you are going to check
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sumOfMultiples = 0;
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for num = 1, TOP_NUMBER do
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if((num % 3) == 0) then
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sumOfMultiples = sumOfMultiples + num;
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elseif((num % 5) == 0) then
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sumOfMultiples = sumOfMultiples + num;
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end
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end
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timer:stop()
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--Print the results
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print("The sum of all numbers < 1000 is " .. sumOfMultiples);
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print("It took " .. timer:getMicroseconds() .. " microseconds to run this algorithm");
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--[[Results:
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The sum of all numbers < 1000 is 233168
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It took 148 microseconds to run this algorithm
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]]
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