/span>&#160;    constexpr <span class="keywordtype">char</span> ERR_NEGATIVE_WEIGHTED_EDGE[] = <span class="stringliteral">&quot;Edge negative Weighted&quot;</span>;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    constexpr <span class="keywordtype">char</span> ERR_TARGET_NODE_NOT_REACHABLE[] = <span class="stringliteral">&quot;Target Node not Reachable&quot;</span>;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    constexpr <spa