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copied!<p>Assuming that from dry output you mean explanation of the code, here is my attempt at it.</p> <p>Suppose user enters <code>143</code>. So now <code>a = 143</code>.<br/></p> <pre><code>while( a != 0 ) // a = 143 therefor condition is true and the block of // code inside the loop is executed. b = a % 10 ; // 143 % 10 ( The remainder is 3 ) </code></pre> <p>So value of <code>b</code> is printed on screen</p> <blockquote> <p>3</p> </blockquote> <p>Now</p> <pre><code>c = a / 10 ; // 143 / 10 = 14 a = c ; // so now a = 14 </code></pre> <p>Once again, we return to the <code>while()</code></p> <pre><code>while( a != 0 ) // a = 14 therefor condition is true and the block of // code inside the loop is executed. b = a % 10 ; // 14 % 10 ( The remainder is 4 ) </code></pre> <p>So value of <code>b</code> is printed on screen, which already has <code>3</code></p> <blockquote> <p>34</p> </blockquote> <p>Now</p> <pre><code>c = a / 10 ; // 14 / 10 = 1 a = c ; // so now a = 1 </code></pre> <p>Again, we return to the <code>while()</code></p> <pre><code>while( a != 0 ) // a = 1 therefor condition is true and the block of // code inside the loop is executed. b = a % 10 ; // 1 % 10 ( its output will be 1 ) </code></pre> <p>So value of <code>b</code> is printed on screen which already has <code>34</code> </p> <blockquote> <p>341</p> </blockquote> <p>Now</p> <pre><code>c = a / 10 ; // 1 / 10 = 0 a = c ; // so now a = 0 </code></pre> <p>We return to the <code>while()</code></p> <pre><code>while( a != 0 ) // a = 0 therefor condition is FALSE and the block of // code inside the loop is NOT executed. </code></pre> <p>Hope it was helpful.<br/> <strong>Note</strong><br/> Instead of </p> <pre><code>c=a/10; a=c; </code></pre> <p>You can simply write</p> <pre><code>a /= 10 </code></pre> <p>Secondly,</p> <pre><code>int a,b,c,d,e; </code></pre> <p>What is the purpose of <code>e</code>?</p>

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