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24 lines
757 B
HTML
24 lines
757 B
HTML
<p>Given a directed graph, design an algorithm to find out whether there is a route between two nodes.</p>
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<p><strong>Example1:</strong></p>
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<pre>
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<strong> Input</strong>: n = 3, graph = [[0, 1], [0, 2], [1, 2], [1, 2]], start = 0, target = 2
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<strong> Output</strong>: true
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</pre>
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<p><strong>Example2:</strong></p>
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<pre>
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<strong> Input</strong>: n = 5, graph = [[0, 1], [0, 2], [0, 4], [0, 4], [0, 1], [1, 3], [1, 4], [1, 3], [2, 3], [3, 4]], start = 0, target = 4
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<strong> Output</strong> true
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</pre>
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<p><strong>Note: </strong></p>
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<ol>
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<li><code>0 <= n <= 100000</code></li>
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<li>All node numbers are within the range [0, n].</li>
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<li>There might be self cycles and duplicated edges.</li>
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</ol>
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