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PO
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Id
20036346
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
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1
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CreationDate
2013-11-17T21:23:24.107
FavoriteCount
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LastActivityDate
2015-10-17T20:40:22.470
LastEditDate
2015-10-17T20:40:22.470
LastEditorUserId
2958652
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2958652
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20035725
PostTypeId
2
Score
0
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LastEditorDisplayName
text
Body
Recall that a number <code>x</code> in base <code>B</code> is represented as such: x = anBn + ... + a2B2 + a1B + a0, where 0≤ai<B. Note that dividing <code>x</code> by <code>B</code> gives anBn-1 + ... + a2B + a1 with remainder a0 / B. In other words, x mod B = a0 (mod is short for modulus, which is the remainder after division). Implemented as an algorithm: <pre><code>var x = POSITIVE_INTEGER var base = POSITIVE_INTEGER2 while x > 0 print(x mod base) x = x div base // Where "div" is integer division, equivalent to math.floor(x/base) // This way we are discarding a_0. // Next iteration we will get a_1, then a_2, etc. </code></pre> This will print the digits in the reverse order. Workaround: Instead of modulating to get the least significant digit, we modulate to get the most significant digit. We do this by noting that x - (x mod Bn) = an, where <code>n</code> is the most significant digit. <pre><code>var x = POSITIVE_INTEGER var base = POSITIVE_INTEGER2 var bn // This is base**n, where `n` is the most significant digit. while x > 0 print(x - x mod bn) // Print out a_n x = x mod bn // Discard a_n bn = bn / base // Next iteration get a_(n-1), then a_(n-2), etc. </code></pre> <code>bn</code> can be calculated as <code>base ** math.floor(math.log(x) / math.log(base))</code> or by doing <pre><code>var bn = 1 while bn * base < x bn = bn * base </code></pre>
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1. This table or related slice is empty.
PostParentId
1. POConverting from decimal to non-decimal and printing(no strings, arrays and recursion)
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PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USuser2958652
UserOwnerUserId
1. USuser2958652
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PostLinksPostIdRelatedPostId
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1. This table or related slice is empty.
PostsAcceptedAnswerId
1. POConverting from decimal to non-decimal and printing(no strings, arrays and recursion)
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1. VO
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1. COWould you mind explaining this line to me: "Using .n as subscript n," Also, I do have that math knowledge, my problem is printing the number in it's proper order after I convert it from decimal TO a non-decimal base. I's kind of the opposite direction of what you explained. Thanks by the way.
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 USSunspawn

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