题解 | #截取字符串#
截取字符串
https://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
import Foundation
// 简单题,麻烦的是swift 语法太严谨了
let string = Array(readLine()!)
let k = Int(readLine()!)!
var res = ""
for i in 0..<k {
res.append(string[i])
}
print(res)


查看1道真题和解析