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POPossible grouping of words
 

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  1. POPossible grouping of words
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    <p>This is not homework: Came across this scenario while working on <a href="https://stackoverflow.com/questions/15141928/php-string-differences-and-dynamic-restrictions">PHP String Differences and Dynamic Restrictions</a></p> <p>Given a string of <code>n</code> words how to distribute them into <code>m</code> groups without altering the word sequence?</p> <pre><code>Example 1: String: "My name is SparKot" Groups: 2 (string is split in to two strings) Possible groups will be: ('My', 'name is SparKot'), ('My name', 'is SparKot'), ('My name is', 'SparKot') </code></pre> <p>with the same string</p> <pre><code>Example 2: String: "My name is SparKot" Groups: 3 (string will be split in to three strings) Possible groups will be: ('My', 'name', 'is SparKot'), ('My', 'name is', 'SparKot'), ('My name', 'is', 'SparKot') </code></pre> <p>My PHP function() with no direction(it is suppose to return Multi-dimension of groups):</p> <pre><code>function get_possible_groups ($orgWords, $groupCount, &amp;$status) { $words = explode (' ', $orgWords); $wordCount = count($words); if ($wordCount &lt; $groupCount) { $status = -1; return; } else if ($wordCount === $groupCount) { $status = 0; return (array_chunk($words, 1)); } for ($idx =0; $idx &lt; $wordCount; $idx) { for ($jdx =0; $jdx &lt; $groupCount; $jdx++) { } } // append all arrays to form multidimension array // return groupings[][] array } $status =0; $groupings = get_possible_groups('My name is SparKot', 4, $status); var_dump($groupings); </code></pre> <p>for above example-2 function is supposed to return:</p> <pre><code>$groupings = array ( array ('My', 'name', 'is SparKot'), array ('My', 'name is', 'SparKot'), array ('My name', 'is', 'SparKot')); </code></pre> <p>Any hints to approach this problem will be much appreciated.</p> <p>Progress:</p> <ul> <li>case: when <code>wordCount = groupCount</code> [solved]</li> </ul>
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    1. USCommunity
    1. USSparKot
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      1. USDiverseAndRemote.com
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    1. CODid you want all possible values to be returned?
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      1. USSteve Robbins
    2. COHave you tried anything at all???
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      1. USShef
    3. COIn example 1, shouldn't the number of groups be three not two?
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