Write a C program that uses a function to sort an array of integers using bubble sort algorithm.

C Programming Language Function in C Language (Article) Function 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">void</span><span class="pln"> sort </span><span class="pun">(</span><span class="kwd">int</span><span class="pln"> </span><span class="pun">[],</span><span class="pln"> </span><span class="kwd">int</span><span class="pun">);</span><span class="pln">

</span><span class="kwd">int</span><span class="pln"> main </span><span class="pun">(</span><span class="kwd">void</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"> i</span><span class="pun">;</span><span class="pln">
	</span><span class="kwd">int</span><span class="pln"> arr</span><span class="pun">[</span><span class="lit">10</span><span class="pun">]</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="pun">{</span><span class="lit">3</span><span class="pun">,</span><span class="lit">2</span><span class="pun">,</span><span class="lit">7</span><span class="pun">,</span><span class="lit">0</span><span class="pun">,</span><span class="lit">6</span><span class="pun">,</span><span class="lit">4</span><span class="pun">,</span><span class="lit">9</span><span class="pun">,</span><span class="lit">8</span><span class="pun">,</span><span class="lit">1</span><span class="pun">,</span><span class="lit">5</span><span class="pln"> </span><span class="pun">};</span><span class="pln">
	printf </span><span class="pun">(</span><span class="str">"The array before the sort:\n"</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"> </span><span class="lit">10</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">
		printf </span><span class="pun">(</span><span class="str">"%i "</span><span class="pun">,</span><span class="pln"> arr</span><span class="pun">[</span><span class="pln">i</span><span class="pun">]);</span><span class="pln">
	sort </span><span class="pun">(</span><span class="pln">arr</span><span class="pun">,</span><span class="pln"> </span><span class="lit">10</span><span class="pun">);</span><span class="pln">
	printf </span><span class="pun">(</span><span class="str">"\n\nThe array after the sort:\n"</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"> </span><span class="lit">10</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">
		printf </span><span class="pun">(</span><span class="str">"%i "</span><span class="pun">,</span><span class="pln"> arr</span><span class="pun">[</span><span class="pln">i</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><span class="pln">


</span><span class="kwd">void</span><span class="pln"> sort </span><span class="pun">(</span><span class="kwd">int</span><span class="pln"> a</span><span class="pun">[],</span><span class="pln"> </span><span class="kwd">int</span><span class="pln"> n</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"> i</span><span class="pun">,</span><span class="pln"> j</span><span class="pun">,</span><span class="pln"> temp</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"> n </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">i </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"> j </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln"> j </span><span class="pun">&lt;</span><span class="pln"> n</span><span class="pun">-</span><span class="pln">i</span><span class="pun">-</span><span class="lit">1</span><span class="pun">;</span><span class="pln"> </span><span class="pun">++</span><span class="pln">j </span><span class="pun">)</span><span class="pln">
			</span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(</span><span class="pln"> a</span><span class="pun">[</span><span class="pln">j</span><span class="pun">]</span><span class="pln"> </span><span class="pun">&gt;</span><span class="pln"> a</span><span class="pun">[</span><span class="pln">j</span><span class="pun">+</span><span class="lit">1</span><span class="pun">]</span><span class="pln"> </span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
				temp </span><span class="pun">=</span><span class="pln"> a</span><span class="pun">[</span><span class="pln">j</span><span class="pun">];</span><span class="pln">
				a</span><span class="pun">[</span><span class="pln">j</span><span class="pun">]</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> a</span><span class="pun">[</span><span class="pln">j</span><span class="pun">+</span><span class="lit">1</span><span class="pun">];</span><span class="pln">
				a</span><span class="pun">[</span><span class="pln">j</span><span class="pun">+</span><span class="lit">1</span><span class="pun">]</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> temp</span><span class="pun">;</span><span class="pln">
			</span><span class="pun">}</span><span class="pln">
</span><span class="pun">}</span><span class="pln">
 </span>

Output:

The array before the sort:
3 2 7 0 6 4 9 8 1 5

The array after the sort:
0 1 2 3 4 5 6 7 8 9
 

Explanation:

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