span class="dt">array</span>[<span class="dv">2</span>, <span class="dv">3</span>] <span class="dt">int</span> c;</span>
<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="co">// ... define: c = ((1, 3, 5), ((7, 11, 13))</span></span>
<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="dt">array</span>[<span class="dv">4</span>] <span class="dt">int</span> idxs;</span>
<span id="cb6-4"><a href="#cb6-4" aria-hidden="true" tabindex="-1"></a><spa