switch语句的特点:拥有多个分支switch后面可以不跟语句,在case的每个分支中直接添加需要有default语句package mainimport ("fmt")func eval(a, b int, op string) int{var result intswitch op ......
We have an integer array nums, where all the integers in nums are 0 or 1. You will not be given direct access to the array, instead, you will have an API ArrayR...