warning：initialization discards ‘const’ qualifier from pointer target type 解決方法

initialization discards ‘const’ qualifier from pointer target typespa 意思是，初始化時丟掉了（目標類型的）‘const’限定符get eg: const int a = 9; int *pa = &a;就會報這個警告！it 方法一：const int *pa = &a;io 方法二：int *pa = (int *)&a;  

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