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有以下程序:includemain(){unsigned char a=8,C;C=a$amp;>amp;$gt;3:printf("%d
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有以下程序#include <stdio.h>union pw{ int i; char ch[2];}a;main(){ a.ch[0]=13;a.
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有以下程序#include <stdio.h>main(){ unsigned char a;a=4^6;printf("%d,
", a);}程序的
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有以下程序:main(){ union { char ch[2]; Int d; } s; s.d=0x4321; printf("%x,%x
",s.ch[0],s.
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有以下程序main(){ unsigned char a b c;a=0x3;b=a|0x8;c=b
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有以下程序main(){union{unsigned intn; unsigned charC; }ul;u1.C=A;printf(\%c
u1.n);}执
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有以下程序:main(){unsigned int a;int b=-1;a=b;printf(\%u a);}程序运行后的输出结果是()。A.-