pushback导致下标越界
时间: 2024-01-19 09:03:33 浏览: 73
PushBack是一种将元素添加到vector的末尾的方法。它可以导致下标越界的情况发生,特别是当我们尝试将元素添加到一个超出vector当前大小的位置时。例如,如果我们有一个长度为5的vector,然后尝试使用push_back添加元素到第6个位置,就会导致下标越界。在这种情况下,程序可能会崩溃或产生未定义的行为。因此,在使用push_back之前,我们应该确保我们正在访问有效的索引。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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