Question: 7. What will be the output for the following code?<div class="hk1_style-wrap4"><div class="hk1_style-wrap3"><div class="hk1_style-wrap2"><div class="hk1_style-wrap"><div class="hk1_style"><div class="c"><pre class="de1"><span class="co2">#include&lt;stdio.h&gt; </span> <span class="kw4">void</span> combination<span class="br0">(</span><span class="kw4">int</span> arr<span class="br0">[</span><span class="br0">]</span><span class="sy0">,</span><span class="kw4">int</span> n<span class="sy0">,</span><span class="kw4">int</span> r<span class="sy0">,</span><span class="kw4">int</span> index<span class="sy0">,</span><span class="kw4">int</span> aux<span class="br0">[</span><span class="br0">]</span><span class="sy0">,</span><span class="kw4">int</span> i<span class="br0">)</span><span class="sy0">;</span> <span class="kw4">void</span> print<span class="br0">(</span><span class="kw4">int</span> arr<span class="br0">[</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw4">int</span> n<span class="sy0">,</span> <span class="kw4">int</span> r<span class="br0">)</span> <span class="br0">{</span> <span class="kw4">int</span> aux<span class="br0">[</span>r<span class="br0">]</span><span class="sy0">;</span> combination<span class="br0">(</span>arr<span class="sy0">,</span> n<span class="sy0">,</span> r<span class="sy0">,</span> <span class="nu0">0</span><span class="sy0">,</span> aux<span class="sy0">,</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy0">;</span> <span class="br0">}</span> <span class="kw4">void</span> combination<span class="br0">(</span><span class="kw4">int</span> arr<span class="br0">[</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw4">int</span> n<span class="sy0">,</span> <span class="kw4">int</span> r<span class="sy0">,</span> <span class="kw4">int</span> index<span class="sy0">,</span> <span class="kw4">int</span> aux<span class="br0">[</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw4">int</span> i<span class="br0">)</span> <span class="br0">{</span> <span class="kw1">if</span> <span class="br0">(</span>index <span class="sy0">==</span> r<span class="br0">)</span> <span class="br0">{</span> <span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> j<span class="sy0">=</span><span class="nu0">0</span><span class="sy0">;</span> j<span class="sy0">&lt;</span>r<span class="sy0">;</span> j<span class="sy0">++</span><span class="br0">)</span> <span class="kw3">printf</span><span class="br0">(</span><span class="st0">"%d "</span><span class="sy0">,</span>aux<span class="br0">[</span>j<span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span> <span class="kw3">printf</span><span class="br0">(</span><span class="st0">", "</span><span class="br0">)</span><span class="sy0">;</span> <span class="kw1">return</span><span class="sy0">;</span> <span class="br0">}</span> <span class="kw1">if</span> <span class="br0">(</span>i <span class="sy0">&gt;=</span> n<span class="br0">)</span> <span class="kw1">return</span><span class="sy0">;</span> aux<span class="br0">[</span>index<span class="br0">]</span> <span class="sy0">=</span> arr<span class="br0">[</span>i<span class="br0">]</span><span class="sy0">;</span> combination<span class="br0">(</span>arr<span class="sy0">,</span> n<span class="sy0">,</span> r<span class="sy0">,</span> index<span class="sy0">+</span><span class="nu0">1</span><span class="sy0">,</span> aux<span class="sy0">,</span> i<span class="sy0">+</span><span class="nu0">1</span><span class="br0">)</span><span class="sy0">;</span> combination<span class="br0">(</span>arr<span class="sy0">,</span> n<span class="sy0">,</span> r<span class="sy0">,</span> index<span class="sy0">,</span> aux<span class="sy0">,</span> i<span class="sy0">+</span><span class="nu0">1</span><span class="br0">)</span><span class="sy0">;</span> <span class="br0">}</span> <span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> <span class="kw4">int</span> arr<span class="br0">[</span><span class="br0">]</span> <span class="sy0">=</span> <span class="br0">{</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span><span class="nu0">2</span><span class="br0">}</span><span class="sy0">;</span> <span class="kw4">int</span> r <span class="sy0">=</span> <span class="nu0">2</span><span class="sy0">;</span> <span class="kw4">int</span> n <span class="sy0">=</span> <span class="kw4">sizeof</span><span class="br0">(</span>arr<span class="br0">)</span><span class="sy0">/</span><span class="kw4">sizeof</span><span class="br0">(</span>arr<span class="br0">[</span><span class="nu0">0</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span> print<span class="br0">(</span>arr<span class="sy0">,</span> n<span class="sy0">,</span> r<span class="br0">)</span><span class="sy0">;</span> <span class="kw1">return</span> <span class="nu0">0</span><span class="sy0">;</span> <span class="br0">}</span></pre></div></div></div></div></div></div>
Options:
1 2, 1 2, 2 2
1 2, 1 2, 2 2 ,
1 2, 2 1, 2 2 ,
1 2, 2 1, 2 2
Answer: D