问题详情

下列程序的输出结果为______。 main () { unsigned int a=65535; int b=-2; printf ("na=%d, %u;b=%d, %u,, a, a,b,b); }
A．-1,65535;-2,65534
B．65535,65535;-2,65534
C．65535,65535;65534,65534
D．-1,65535;65534,65534请帮忙给出正确答案和分析，谢谢！