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ranwenjie
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# 数值 | ||
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# 大顶堆 和 小顶堆 | ||
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# 反向索引 | ||
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正排索引如 mysql中的索引实现 ,通常使用 B+ 树实现。 反向索引如何来实现呢? | ||
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### 应用场景 | ||
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* ES | ||
* 推荐内容召回 | ||
* mysql中的索引实现 | ||
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通常使用 B+ 树实现。 | ||
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# 并查集 |
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# DFS 和 BFS | ||
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# 拓扑排序 | ||
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# 最小生成树 | ||
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# 最短路径 |
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* 大数问题 | ||
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## int转二进 | ||
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## 求1+2+…+n | ||
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要求不能使用乘除法、for、while、if、else、switch、case等关键字以及条件判断语句(A?B:C)。 | ||
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