vector加入新元素
时间: 2023-10-19 12:31:39 浏览: 36
在使用vector类时,可以使用成员函数push_back()或者emplace_back()来加入新的元素。通过调用push_back()函数,可以将新元素添加到vector的末尾,例如:alphabet.push_back('A')。而emplace_back()函数可以在不创建临时对象的情况下直接在vector末尾构造新元素,例如:alphabet.emplace_back('A')。这两种方法都可以有效地向vector中添加新的元素。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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