run: line 1: 3 Segmentation fault (core dumped) ./a.out

回答: Segmentation fault (core dumped)是一种内存不当操作所导致的错误。常见的原因包括空指针、野指针的读写操作，数组越界访问，破坏常量等。为了避免这个问题，可以对每个指针进行声明后初始化为NULL。另外，调试是排除此问题的最好办法。要解决这个问题，可以在使用指针之前对其进行初始化，或者在使用指针之前检查其是否为空。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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