A.x+y=x B.x+y=y C.x+y>x D.x+y<x
A.有符號數(shù) B.無符號數(shù) C.不一定
設(shè) unsigned int a; int b= -1;a = b; printf("%u",a)輸出結(jié)果()
A.1 B.-1 C.0 D.65535