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单选题
有以下程序:#include<stdio.h>main(){ char a='H'; a=(a>='A'&&a printf("%c",a);}程序运行后的输出结果是( )。
A
A
B
a
C
H
D
h
参考答案
参考解析
解析:
条件表达式优先级高于赋值表达式,首先将H赋给变量a,由于问号前一个表达式成立,所以执行(a-'A'+'a'),其功能是将大写字母转换成小写字母,即H转换成h。答案选择D选项。
条件表达式优先级高于赋值表达式,首先将H赋给变量a,由于问号前一个表达式成立,所以执行(a-'A'+'a'),其功能是将大写字母转换成小写字母,即H转换成h。答案选择D选项。
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