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Fixed a bug in getDivisors where a number would be

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added twice
This commit is contained in:
Mattrixwv
2019-03-22 19:06:09 -04:00
parent a80644401f
commit b0ba590c53
1 changed files with 7 additions and 1 deletions
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8
Algorithms.lua
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@@ -154,7 +154,8 @@ function getDivisors(goalNumber)
--Start at 3 and loop through all numbers < (goalNumber / 2) looking for a number that divides it evenly
local topPossibleDivisor = math.ceil(math.sqrt(goalNumber));
for possibleDivisor=2,topPossibleDivisor do
local possibleDivisor = 2;
while(possibleDivisor <= topPossibleDivisor) do
--If you find one add it and the number it creates to the list
if((goalNumber % possibleDivisor) == 0) then
divisors[#divisors+1] = possibleDivisor;
@@ -162,8 +163,13 @@ function getDivisors(goalNumber)
if(possibleDivisor ~= topPossibleDivisor) then
divisors[#divisors + 1] =(goalNumber / possibleDivisor);
end
--Take care of a few occations where a number was added twice
if(divisors(#divisors) == (possibleDivisor + 1)) then
possibleDivisor = possibleDivisor + 1;
end
end
possibleDivisor = possibleDivisor + 1;
end
--Sort the list before returning for neatness
table.sort(divisors);
--Return the list