Infinite while loop Example 3

C Programming Language Loop control in C Language (Article) Loop control in C Language (Program)

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Program:

<span class="com">#include</span><span class="pln"> </span><span class="str">&lt;stdio.h&gt;</span><span class="pln">
</span><span class="kwd">int</span><span class="pln"> main</span><span class="pun">()</span><span class="pln">
</span><span class="pun">{</span><span class="pln">
    </span><span class="kwd">int</span><span class="pln"> </span><span class="kwd">var</span><span class="pln"> </span><span class="pun">=</span><span class="lit">5</span><span class="pun">;</span><span class="pln">
    </span><span class="kwd">while</span><span class="pln"> </span><span class="pun">(</span><span class="kwd">var</span><span class="pln"> </span><span class="pun">&lt;=</span><span class="lit">10</span><span class="pun">)</span><span class="pln">
    </span><span class="pun">{</span><span class="pln">
       printf</span><span class="pun">(</span><span class="str">"%d \n"</span><span class="pun">,</span><span class="pln"> </span><span class="kwd">var</span><span class="pun">);</span><span class="pln">
       </span><span class="kwd">var</span><span class="pun">--;</span><span class="pln">
    </span><span class="pun">}</span><span class="pln">
    </span><span class="kwd">return</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln">
</span><span class="pun">}</span>

Output:

-15563
-15564
-15565
-15566
-15567
-15568
-15569
 ...........
............
............
..........
infinite time
 

Explanation:

Infinite loop: var value will keep decreasing because of –- operator, hence it will always be <= 10.

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