Submission #42891122

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Source Code Expand

import Foundation

func main() {
  var scanner = Scanner()
  let N = scanner.read(Int.self)
  let A = scanner.read(Int.self, count: N * 7)
  for i in 0 ..< N {
    print(A[i * 7 ..< i * 7 + 7].reduce(0, +), terminator: " ")
  }
}

main()

struct Scanner {
  private var tokens = [String]()
  private var index = 0
  
  mutating func read<T>(_ type: T.Type) -> T where T: LosslessStringConvertible {
    T(read())!
  }
  
  mutating func read<T>(_ type: T.Type, count n: Int) -> [T] where T: LosslessStringConvertible {
    (0 ..< n).map { _ in read(type) }
  }
  
  private mutating func read() -> String {
    while tokens.count == index {
      tokens = readLine()!.split(separator: " ").map(\.description)
      index = 0
    }
    defer {
      index += 1
    }
    return tokens[index]
  }
}

Submission Info

Judge Result