Question: 6. What will be the output of the following C++ 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="cpp"><ol><li class="li1"><pre class="de1"> <span class="co2">#include &lt;iostream&gt;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">using</span> <span class="kw2">namespace</span> std<span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw4">const</span> <span class="kw4">int</span> limit <span class="sy1">=</span> <span class="nu0">4</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">class</span> safearray</pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">private</span><span class="sy4">:</span></pre></li><li class="li1"><pre class="de1"> <span class="kw4">int</span> arr<span class="br0">[</span>limit<span class="br0">]</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw2">public</span><span class="sy4">:</span></pre></li><li class="li1"><pre class="de1"> <span class="kw4">int</span><span class="sy3">&amp;</span> operator <span class="br0">[</span><span class="br0">]</span><span class="br0">(</span><span class="kw4">int</span> n<span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">if</span> <span class="br0">(</span>n <span class="sy1">==</span> limit <span class="sy2">-</span> <span class="nu0">1</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="kw4">int</span> temp<span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> i <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> i <span class="sy1">&lt;</span> limit<span class="sy4">;</span> i<span class="sy2">++</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">if</span> <span class="br0">(</span>arr<span class="br0">[</span>n <span class="sy2">+</span> <span class="nu0">1</span><span class="br0">]</span> <span class="sy1">&gt;</span> arr<span class="br0">[</span>n<span class="br0">]</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> temp <span class="sy1">=</span> arr<span class="br0">[</span>n<span class="br0">]</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> arr<span class="br0">[</span>n<span class="br0">]</span> <span class="sy1">=</span> arr<span class="br0">[</span>n <span class="sy2">+</span> <span class="nu0">1</span><span class="br0">]</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> arr<span class="br0">[</span>n <span class="sy2">+</span> <span class="nu0">1</span><span class="br0">]</span> <span class="sy1">=</span> temp<span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span> </pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span> </pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">return</span> arr<span class="br0">[</span>n<span class="br0">]</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> safearray sa1<span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">for</span><span class="br0">(</span><span class="kw4">int</span> j <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> j <span class="sy1">&lt;</span> limit<span class="sy4">;</span> j<span class="sy2">++</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> sa1<span class="br0">[</span>j<span class="br0">]</span> <span class="sy1">=</span> j<span class="sy2">*</span><span class="nu0">10</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">for</span><span class="br0">(</span><span class="kw4">int</span> j <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> j <span class="sy1">&lt;</span> limit<span class="sy4">;</span> j<span class="sy2">++</span><span class="br0">)</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">{</span></pre></li><li class="li1"><pre class="de1"> <span class="kw4">int</span> temp <span class="sy1">=</span> sa1<span class="br0">[</span>j<span class="br0">]</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="kw3">cout</span> <span class="sy1">&lt;&lt;</span> <span class="st0">"Element "</span> <span class="sy1">&lt;&lt;</span> j <span class="sy1">&lt;&lt;</span> <span class="st0">" is "</span> <span class="sy1">&lt;&lt;</span> temp<span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li><li class="li1"><pre class="de1"> <span class="kw1">return</span> <span class="nu0">0</span><span class="sy4">;</span></pre></li><li class="li1"><pre class="de1"> <span class="br0">}</span></pre></li></ol></div></div></div></div></div></div>
Options:
0102030
1020300
3020100
error
Answer: B