// 测试用例 // let inputStr = "0 1 2 1", k = 3 // let inputStr = "0 1 2 1", k = 2 // 开始代码 let inputStr = String(readLine()!) let k = Int(readLine()!)! let str = inputStr.replacingOccurrences(of: " ", with: "") let inputArr = inputStr.components(separatedBy: " ").map { Int($0) ?? 0} let len = inputArr.count - k + 1 var res = 0 for i in 0..