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Message: <blockquote data-quote="viraj_slk" data-source="post: 7402455" data-attributes="member: 51932"><p><strong>One possible solution to think of</strong></p><p></p><p></p><p></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">Good to see that u have asked for the logic rather than a code.</span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">Here's one way I thought of to do it:</span></p><p><span style="font-size: 12px">first assign ur number to a variable as integer :</span></p><p><span style="font-size: 12px">x = 9087236781;</span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">then convert the same number to a string value. This is so that I can loop through each character.</span></p><p><span style="font-size: 12px">str = (string_cast) x;</span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">now str = '9087236781';</span></p><p><span style="font-size: 12px">so..for example:  str[0] is equal to 9;</span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">now use a loop like this to <strong>keep adding the numbers together UNTIL the total is less than or equal to 9.</strong></span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">[CODE]</span></p><p><span style="font-size: 12px">while (x > 9)</span></p><p><span style="font-size: 12px">{</span></p><p><span style="font-size: 12px">   str = (string_cast) x;</span></p><p><span style="font-size: 12px">   len = length(x); // the length of the number </span></p><p><span style="font-size: 12px">   </span></p><p><span style="font-size: 12px">   total = 0;</span></p><p><span style="font-size: 12px">   for (i = 0; i < len; i++) </span></p><p><span style="font-size: 12px">   {</span></p><p><span style="font-size: 12px">      total += (integer_cast)str[i];</span></p><p><span style="font-size: 12px">   }</span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">   x = total;</span></p><p><span style="font-size: 12px">}</span></p><p><span style="font-size: 12px">[/CODE]</span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">finally.. when the loop gets finished, 'x' will have a single digit value that is less than or equal to 9, and is also the summation of numbers in '9087236781'</span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px">Let me know if u need a bit more help to clarify this one.</span></p><p> <span style="font-size: 12px"></span></p><p><span style="font-size: 12px"></span></p></blockquote><p></p>

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