C Program to Search an element in Array

Data Structure Array (Article) Array (Program)

1005

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Program:

<span class="com">#include</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"> a</span><span class="pun">[</span><span class="lit">30</span><span class="pun">],</span><span class="pln"> ele</span><span class="pun">,</span><span class="pln"> num</span><span class="pun">,</span><span class="pln"> i</span><span class="pun">;</span><span class="pln">
 
   printf</span><span class="pun">(</span><span class="str">"\nEnter no of elements :"</span><span class="pun">);</span><span class="pln">
   scanf</span><span class="pun">(</span><span class="str">"%d"</span><span class="pun">,</span><span class="pln"> </span><span class="pun">&amp;</span><span class="pln">num</span><span class="pun">);</span><span class="pln">
 
   printf</span><span class="pun">(</span><span class="str">"\nEnter the values :"</span><span class="pun">);</span><span class="pln">
   </span><span class="kwd">for</span><span class="pln"> </span><span class="pun">(</span><span class="pln">i </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln"> i </span><span class="pun">&lt;</span><span class="pln"> num</span><span class="pun">;</span><span class="pln"> i</span><span class="pun">++)</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
      scanf</span><span class="pun">(</span><span class="str">"%d"</span><span class="pun">,</span><span class="pln"> </span><span class="pun">&amp;</span><span class="pln">a</span><span class="pun">[</span><span class="pln">i</span><span class="pun">]);</span><span class="pln">
   </span><span class="pun">}</span><span class="pln">
 
   </span><span class="com">//Read the element to be searched</span><span class="pln">
   printf</span><span class="pun">(</span><span class="str">"\nEnter the elements to be searched :"</span><span class="pun">);</span><span class="pln">
   scanf</span><span class="pun">(</span><span class="str">"%d"</span><span class="pun">,</span><span class="pln"> </span><span class="pun">&amp;</span><span class="pln">ele</span><span class="pun">);</span><span class="pln">
 
   </span><span class="com">//Search starts from the zeroth location</span><span class="pln">
   i </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln">
   </span><span class="kwd">while</span><span class="pln"> </span><span class="pun">(</span><span class="pln">i </span><span class="pun">&lt;</span><span class="pln"> num </span><span class="pun">&amp;&amp;</span><span class="pln"> ele </span><span class="pun">!=</span><span class="pln"> a</span><span class="pun">[</span><span class="pln">i</span><span class="pun">])</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
      i</span><span class="pun">++;</span><span class="pln">
   </span><span class="pun">}</span><span class="pln">
 
   </span><span class="com">//If i &lt; num then Match found</span><span class="pln">
   </span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(</span><span class="pln">i </span><span class="pun">&lt;</span><span class="pln"> num</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">"Number found at the location = %d"</span><span class="pun">,</span><span class="pln"> i </span><span class="pun">+</span><span class="pln"> </span><span class="lit">1</span><span class="pun">);</span><span class="pln">
   </span><span class="pun">}</span><span class="pln"> </span><span class="kwd">else</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
      printf</span><span class="pun">(</span><span class="str">"Number not found"</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="pun">(</span><span class="lit">0</span><span class="pun">);</span><span class="pln">
</span><span class="pun">}</span>

Output:

Enter no of elements : 5
11 22 33 44 55
Enter the elements to be searched : 44
Number found at the location = 4

Explanation:

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