Question

设ch是char型变量，其值为"e"，且有如下的表达式 ch=(ch>="a"&&ch<="z")?(ch-32):ch,则表达式的值为

A)F B)f C)e D)E
请会C语言的高手帮忙

Answer 1

ch=(ch>="a"&&ch<="z")?(ch-32):ch;
选D
e满足(ch>="a"&&ch<="z")，所以ch='e'-32;