C++ 內存分配常見錯誤Stack corrupted.

BUG：Run-Time Check Failure #2 - Stack around the variable 'a' was corrupted.

Why?

#include <iostream>	

int main()
{
	char a[] = "hello";
	a[6] = 'A';
	std::cout << a;
	system("pause");
	return 0;
}

問題處在代碼的下一行。數組a,在STACK上內存分配成功，但是操作超過了內存的邊界，所以導致STACK corrupted

a[6] = 'A';

如果把a[6]修改爲a[0]，問題就可以解決了。