设有int a=2,表达式(a<<=2⼀a+1)>>1的值是? 想要具体的思考过程,谢谢!

2025-03-10 11:20:05
推荐回答(1个)
回答1:

(a<<=2/a+1)>>1
等价于
(a=a<<(2/a+1))>>1

先求
a=a<<(2/a+1))
=2<<(2/2+1)
=2<<2
=8

(a=a<<(2/a+1))>>1
=8>>1
=4 //所以表达式的值为4