有以下程序 main() { union{ unsigned int n; unsigned char c; }ul; u1.c='A'; cout<<u1.n<<endl; } 执行后输出结果是A.产生语法错B.随机值C.AD.65
有以下程序 main() { union{ unsigned int n; unsigned char c; }ul; u1.c='A'; cout<<u1.n<<endl; } 执行后输出结果是
A.产生语法错
B.随机值
C.A
D.65
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