c/c++学习01

c++指针初始赋值:

//指针初始赋值
    int* a = new int(3);
//第二种赋值
        int 初始值 = 100;
        int *b = &初始值;
//由new分配的内存块通常使用过后都要用delete来释放内存

delete a;

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