lessons/课程/插图/02-强连通与双连通/00-连通-01-缩点.svg

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  <title id="title">强连通分量缩点为 DAG</title><desc id="desc">三个互相可达团被缩成三个点，团之间只保留单向箭头。</desc>
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  <text x="30" y="34" class="note">团内任意两点都能来回；缩成一个点后，只关心团与团的方向。</text>
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  <text x="97" y="274" class="note">{A,B,C}</text><text x="380" y="274" class="note">{D,E}</text><text x="628" y="274" class="note">{F}</text>
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