ss="identifier">m</span> <span class="special">=</span> <span class="number">10</span><span class="special">;</span>      <span class="comment">// order</span>
<span class="identifier">vector</span><span class="special">&lt;</span><span class="keyword">double</span><span class="special">&gt;</span> <span class="identifier">v</span><span class="special">;</span>
<span class="identifier">v</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="i