Problem 49572. Compute the largest number possible with the Brussels choice

Created by ChrisR

Solve Later

{"parts":[{"partUri":"/matlab/document.xml","contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?><w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>The Brussels choice (or Choix de Bruxelles) operation changes one number to another by taking a substring of the digits and either doubling it or (if the number is even) halving it. For example, starting with 9 and highlighting substrings, one can generate this sequence:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>9</w:t></w:r><w:r><w:t>, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>18</w:t></w:r><w:r><w:t>, 3</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>6</w:t></w:r><w:r><w:t>, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>31</w:t></w:r><w:r><w:t>2, 6</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>22</w:t></w:r><w:r><w:t>, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>644</w:t></w:r><w:r><w:t>, 1</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>2</w:t></w:r><w:r><w:t>88, 1488,...</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>Another possibility is </w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>9</w:t></w:r><w:r><w:t>, 1</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>8</w:t></w:r><w:r><w:t>, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>116</w:t></w:r><w:r><w:t>, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>232</w:t></w:r><w:r><w:t>, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>46</w:t></w:r><w:r><w:t>4, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>92</w:t></w:r><w:r><w:t>4, 18</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>44</w:t></w:r><w:r><w:t>, 1888,...</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>Both of these excerpts have eight entries, but the second ends in a larger number than the first. </w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>Write a function that takes an initial value </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/></w:customXmlPr><w:r><w:t>a_0</w:t></w:r></w:customXml><w:r><w:t> and determines the largest number </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/></w:customXmlPr><w:r><w:t>a_n</w:t></w:r></w:customXml><w:r><w:t> resulting after </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/></w:customXmlPr><w:r><w:t>n</w:t></w:r></w:customXml><w:r><w:t> steps. In the above examples, </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/></w:customXmlPr><w:r><w:t>a_0</w:t></w:r></w:customXml><w:r><w:t> = 9 and </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/></w:customXmlPr><w:r><w:t>n = 7</w:t></w:r></w:customXml><w:r><w:t>. Return the number as a character string.</w:t></w:r></w:p></w:body></w:document>","relationship":null}],"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","target":"/matlab/document.xml","relationshipId":"rId1"}]}

<div style = "text-align: start; line-height: 20.4333px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: rgb(0, 0, 0); white-space: normal; "><div style="block-size: 235.633px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 117.817px; transform-origin: 407px 117.817px; vertical-align: baseline; "><div style="block-size: 63px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 31.5px; text-align: left; transform-origin: 384px 31.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 374.208px 7.79167px; transform-origin: 374.208px 7.79167px; unicode-bidi: normal; ">The Brussels choice (or Choix de Bruxelles) operation changes one number to another by taking a substring of the digits and either doubling it or (if the number is even) halving it. For example, starting with 9 and highlighting substrings, one can generate this sequence:</div><div style="block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.89167px 7.79167px; transform-origin: 3.89167px 7.79167px; unicode-bidi: normal; ">9<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.88333px 7.79167px; transform-origin: 3.88333px 7.79167px; unicode-bidi: normal; ">, <span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.78333px 7.79167px; transform-origin: 7.78333px 7.79167px; unicode-bidi: normal; ">18<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.775px 7.79167px; transform-origin: 7.775px 7.79167px; unicode-bidi: normal; ">, 3<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.89167px 7.79167px; transform-origin: 3.89167px 7.79167px; unicode-bidi: normal; ">6<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.88333px 7.79167px; transform-origin: 3.88333px 7.79167px; unicode-bidi: normal; ">, <span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.78333px 7.79167px; transform-origin: 7.78333px 7.79167px; unicode-bidi: normal; ">31<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 11.6667px 7.79167px; transform-origin: 11.6667px 7.79167px; unicode-bidi: normal; ">2, 6<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.78333px 7.79167px; transform-origin: 7.78333px 7.79167px; unicode-bidi: normal; ">22<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.88333px 7.79167px; transform-origin: 3.88333px 7.79167px; unicode-bidi: normal; ">, <span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 11.675px 7.79167px; transform-origin: 11.675px 7.79167px; unicode-bidi: normal; ">644<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.775px 7.79167px; transform-origin: 7.775px 7.79167px; unicode-bidi: normal; ">, 1<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.89167px 7.79167px; transform-origin: 3.89167px 7.79167px; unicode-bidi: normal; ">2<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 35px 7.79167px; transform-origin: 35px 7.79167px; unicode-bidi: normal; ">88, 1488,...</div><div style="block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 65.7417px 7.79167px; transform-origin: 65.7417px 7.79167px; unicode-bidi: normal; ">Another possibility is </div><div style="block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.89167px 7.79167px; transform-origin: 3.89167px 7.79167px; unicode-bidi: normal; ">9<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.775px 7.79167px; transform-origin: 7.775px 7.79167px; unicode-bidi: normal; ">, 1<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.89167px 7.79167px; transform-origin: 3.89167px 7.79167px; unicode-bidi: normal; ">8<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.88333px 7.79167px; transform-origin: 3.88333px 7.79167px; unicode-bidi: normal; ">, <span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 11.2917px 7.79167px; transform-origin: 11.2917px 7.79167px; unicode-bidi: normal; ">116<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.88333px 7.79167px; transform-origin: 3.88333px 7.79167px; unicode-bidi: normal; ">, <span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 11.675px 7.79167px; transform-origin: 11.675px 7.79167px; unicode-bidi: normal; ">232<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 3.88333px 7.79167px; transform-origin: 3.88333px 7.79167px; unicode-bidi: normal; ">, <span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.78333px 7.79167px; transform-origin: 7.78333px 7.79167px; unicode-bidi: normal; ">46<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.775px 7.79167px; transform-origin: 7.775px 7.79167px; unicode-bidi: normal; ">4, <span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.78333px 7.79167px; transform-origin: 7.78333px 7.79167px; unicode-bidi: normal; ">92<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 15.5583px 7.79167px; transform-origin: 15.5583px 7.79167px; unicode-bidi: normal; ">4, 18<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 7.78333px 7.79167px; transform-origin: 7.78333px 7.79167px; unicode-bidi: normal; ">44<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 27.2167px 7.79167px; transform-origin: 27.2167px 7.79167px; unicode-bidi: normal; ">, 1888,...</div><div style="block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 296.767px 7.79167px; transform-origin: 296.767px 7.79167px; unicode-bidi: normal; ">Both of these excerpts have eight entries, but the second ends in a larger number than the first. </div><div style="block-size: 43.6333px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 21.8167px; text-align: left; transform-origin: 384px 21.8167px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 129.008px 7.79167px; transform-origin: 129.008px 7.79167px; unicode-bidi: normal; ">Write a function that takes an initial value <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAoCAYAAAAG0SEsAAABPElEQVRYhe2WTRGDMBBGnwccxAAGUFAFdYADHNRCNCABD1hAAxbaQ3aHNCRp2kJ7yZvJgSzsx/4FoFKpVCqVP9ECPTAAnex1ct2eKToBi4h3gAVm4C7LnCF8FecL0AS2u2f7qbAvfjta+OI57yJ288L+MQ2wiuMxcY9mZSWeFcO+OYsY2KJKdfEk9inx/CqiBteYqSB2aNQxx4hTfbkhsGm5em9PS/SyN3KOlYl0ZhbiozfjgsqOpJ/yS8Tes2UmrHfr7YdY9hl5S/yKi2zkuSxWntMmnDN+bU5c316dN7IGtnnXyK0sbSYVyInHbE9oZP4a2VK8BvslAsXi4FI+4GoUNknqY3KY+CfomOXEi+f9XXSeYx+aom7/ltyc507MQ8idcNkxO4ob29ne4KLWsf0JBtdkp/5iVSqVIh6VmIITWgIeSQAAAABJRU5ErkJggg==" style="width: 15.5px; height: 20px;" width="15.5" height="20"><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 112.417px 7.79167px; transform-origin: 112.417px 7.79167px; unicode-bidi: normal; "> and determines the largest number <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAoCAYAAAAG0SEsAAABNklEQVRYhe2WW7GDMBBAjwccYAADUYCCOMABDq4FNCAhHmqhGrDA/WB3ss2E0mGS9idnJh9kyS77DNBoNBqNxo8YgAmYASd7Tp6HmkYD8BTjDliAB7DL6msY9qL8CXSJbDeyrxq2xv9KGx6NcpeR9xfy23TAJorXk3c0Khv5qNxmJnp1VsVB5KGkYYhenyl25uPmkoY/URy4jswtbMjHjHwiRqZqvlPjnqPtVl7TsvAapUHOennuRe65YDDGA4dnnRzWflfPF1m2I/S9nSNKXvRssi4noXpm10oM8Zbsp+jYnYgDSOvkozE8ihdT5sC7y6QjTkXbLbt8VFV0+FgvtYOKj+GUhVgPihZxrnuKosVmU6X5ropeNja3WgOB+B9QBc237XnNd6DCPWDRDkmn3iSr0Wj8hn/n1nOR3s62vwAAAABJRU5ErkJggg==" style="width: 15.5px; height: 20px;" width="15.5" height="20"><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 46.2833px 7.79167px; transform-origin: 46.2833px 7.79167px; unicode-bidi: normal; "> resulting after n<span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 63px 7.79167px; transform-origin: 63px 7.79167px; unicode-bidi: normal; "> steps. In the above examples, <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAoCAYAAAAG0SEsAAABPElEQVRYhe2WTRGDMBBGnwccxAAGUFAFdYADHNRCNCABD1hAAxbaQ3aHNCRp2kJ7yZvJgSzsx/4FoFKpVCqVP9ECPTAAnex1ct2eKToBi4h3gAVm4C7LnCF8FecL0AS2u2f7qbAvfjta+OI57yJ288L+MQ2wiuMxcY9mZSWeFcO+OYsY2KJKdfEk9inx/CqiBteYqSB2aNQxx4hTfbkhsGm5em9PS/SyN3KOlYl0ZhbiozfjgsqOpJ/yS8Tes2UmrHfr7YdY9hl5S/yKi2zkuSxWntMmnDN+bU5c316dN7IGtnnXyK0sbSYVyInHbE9oZP4a2VK8BvslAsXi4FI+4GoUNknqY3KY+CfomOXEi+f9XXSeYx+aom7/ltyc507MQ8idcNkxO4ob29ne4KLWsf0JBtdkp/5iVSqVIh6VmIITWgIeSQAAAABJRU5ErkJggg==" style="width: 15.5px; height: 20px;" width="15.5" height="20"><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 27.425px 7.79167px; transform-origin: 27.425px 7.79167px; unicode-bidi: normal; "> = 9 and <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEkAAAAkCAYAAADFGRdYAAABkElEQVRoge2YUZmDMBCExwMOMIABFKCgDnCAg1pAQyXgoRbQgIXewzKX9AgHSWhD2v2/Ly8NpdllZ2cLoCiKoihKntQAOo/1lQwAHjvXkOiMSSkhwU+QBKytab7ukuaYaekhSSg2rhshSdq67uMoIMFvBV7hi6UGiNy2uEKS1L74LFlDqe1J6IIKQDMvUkCaW/fn81yh1O4+X2qxtEx2/AbGBbh8ElXCb15ZW7VPQBtQakHz0R3GOlk9I+SADUySrh73rLF/XvlvHdk7oqTGL98gwdkuYQfr81SPqqQqJCAHQVIjHMD41FhBpMNzleVKlNQuMEkasSzvG0yV5UyU1JiEtQHrFb3h3URJDTAONmGpf7sf+T6BM7lbjwip2UnoHfvU8Rh579TuxkIIkhqT8IDbRTga0Pp9fuQs7sYRJlhqTIKrUmzXqyHONuA4S34XlJrPjPdLAZMEl1Zba7+EJDTH9y+UWlBvs63fdQN7P1d3o9RCeiqA53fBa7TzflDDOwGM8RP+nCuKoiiKoihn5wef8tG/U3znNAAAAABJRU5ErkJggg==" style="width: 36.5px; height: 18px;" width="36.5" height="18"><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 129.517px 7.79167px; transform-origin: 129.517px 7.79167px; unicode-bidi: normal; ">. Return the number as a character string.</div></div></div>

Solve

Solution Stats

26 Solutions
4 Solvers

Last Solution submitted on Aug 02, 2022

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

William on 24 Dec 2020

Chris, -- In the first example, is the fourth number supposed to be 312 rather than 112, or am I misunderstanding the description?

ChrisR on 24 Dec 2020

Yes, you're right. Thanks. If you start with 1, you will see why I made that mistake.

Problem Recent Solvers4

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Problem 49572. Compute the largest number possible with the Brussels choice

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers4

Suggested Problems

More from this Author164

Problem Tags

Community Treasure Hunt

Problem 49572. Compute the largest number possible with the Brussels choice

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers4

Suggested Problems

More from this Author164

Problem Tags

Community Treasure Hunt

Players