unordered_map load_factor
时间: 2023-10-17 07:36:41 浏览: 34
unordered_map的load_factor是指unordered_map中已存储元素的平均数量与桶(bucket)的数量之间的比率。load_factor可以通过unordered_map的max_load_factor()方法来获取。load_factor的值越高,表示unordered_map中的桶被占用得越满,可能会导致查找速度变慢。所以,较低的load_factor可以提高unordered_map的性能。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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