競プロ Goで

scanner.go

import (
    "strconv"
    "strings"
    "bufio"
    "os"
)

var scanner = bufio.NewScanner(os.Stdin)
func readLine() string { scanner.Scan(); return scanner.Text() }
func scanVals(ys ...interface{}) {
    xs := strings.Split(readLine(), " ")
    pos := 0
    for _, y := range ys {
      switch v := y.(type) {
        case *int:
            v, _ = strconv.Atoi(xs[pos])
            pos++
        default:
            v = xs[pos]
            pos++
        }
    }
}