...</p>
<p><span class="bold"><strong>Returns</strong></span>: An iterator pointing to the element with key equivalent to the key of x.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Logarithmic in general, but amortized constant if t is inserted right before p. </p>
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<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp12314752-bb"></a><span class="identifier">insert</span><span class="special">(</span><span class="keyword">const</span> <