value.</p>
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<p></p>
<p><code>int</code> <strong><code>operator&lt;</code></strong><code>(int x, int y)</code><br></p>
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<p></p>
<p><code>int</code> <strong><code>operator&lt;</code></strong><code>(real x, real y)</code><br>
Return 1 if x is less than y and 0 otherwise. <span class="math display">\[ \text{operator&lt;}(x,y)
= \begin{cases} 1 &amp; \text{if $x &lt; y$} \\ 0 &amp; \text{otherwise}
\end{cases} \]</span></p>
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