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<h1 id="151">15.1 &nbsp; 贪心算法<a class="headerlink" href="#151" title="Permanent link">&para;</a></h1>
<p>「贪心算法 greedy algorithm」是一种常见的解决优化问题的算法其基本思想是在问题的每个决策阶段都选择当前看起来最优的选择即贪心地做出局部最优的决策以期望获得全局最优解。贪心算法简洁且高效在许多实际问题中都有着广泛的应用。</p>
<p>贪心算法和动态规划都常用于解决优化问题。它们之间存在一些相似之处,比如都依赖最优子结构性质,但工作原理是不同的。</p>
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<li><strong>Dijkstra 算法</strong>:它是一种解决给定源顶点到其余各顶点的最短路径问题的贪心算法。</li>
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