#280288 (Go) No.726 Tree Game

• 問題: No.726 Tree Game
• ユーザー: fmhr
• 提出日時: 2018-08-24 22:11:27
• 言語: Go (1.23.4)
• 結果: AC
• 実行時間: 3 ms / 2,000 ms
• コード長: 2,124 bytes
• コンパイル時間: 16,744 ms
• コンパイル使用メモリ: 221,780 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-06-23 07:39:35
• 合計ジャッジ時間: 17,090 ms
• ジャッジサーバーID （参考情報）: judge1 / judge2

ファイルパターン	結果
other	AC * 25

ソースコード

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package main
import (
    "bufio"
    "bytes"
    "fmt"
    "log"
    "os"
    "strconv"
)
// const abcd = "abcdefghijklmnopqrstuvwxyz"
// const ABCD = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
var dr = [...]int{0, 1, 1, 1, 0, -1, -1, -1, 0}
var dc = [...]int{1, 1, 0, -1, -1, -1, 0, 1, 0}
func isPrime(n int) bool {
    if n == 0 {
        panic("n need 0")
    }
    if n == 1 {
        return false
    }
    if n == 2 {
        return true
    }
    for i := 2; i*i <= n; i++ {
        if n%i == 0 {
            return false
        }
    }
    return true
}
func main() {
    log.SetFlags(log.Lshortfile)
    nextReader = NewScanner()
    Y := nextInt()
    X := nextInt()
    cnt := 0
    if !isPrime(X) {
        for y := Y + 1; ; y++ {
            if !isPrime(y) {
                cnt++
            } else {
                break
            }
        }
    }
    if !isPrime(Y) {
        for x := X + 1; ; x++ {
            if !isPrime(x) {
                cnt++
            } else {
                break
            }
        }
    }
    if cnt%2 == 0 {
        fmt.Println("Second")
    } else {
        fmt.Println("First")
    }
}
func max(a ...int) int {
    r := a[0]
    for i := 0; i < len(a); i++ {
        if r < a[i] {
            r = a[i]
        }
    }
    return r
}
func min(a ...int) int {
    r := a[0]
    for i := 0; i < len(a); i++ {
        if r > a[i] {
            r = a[i]
        }
    }
    return r
}
func sum(a []int) (r int) {
    for i := range a {
        r += a[i]
    }
    return r
}
func minmax(a, b int) (int, int) {
    if a > b {
        return b, a
    }
    return a, b
}
func abs(a int) int {
    if a < 0 {
        return -a
    }
    return a
}
func printInts(out []int, str string) {
    var bb bytes.Buffer
    for i := range out {
        bb.WriteString(strconv.Itoa(out[i]))
        bb.WriteString(str)
    }
    fmt.Println(bb.String())
}
var nextReader func() string
func NewScanner() func() string {
    r := bufio.NewScanner(os.Stdin)
    r.Buffer(make([]byte, 1024), int(1e+11))
    r.Split(bufio.ScanWords)
    return func() string {
        r.Scan()
        return r.Text()
    }
}
func nextString() string {
    return nextReader()
}
func nextInt64() int64 {
    v, _ := strconv.ParseInt(nextReader(), 10, 64)
    return v
}
func nextInt() int {
    v, _ := strconv.Atoi(nextReader())
    return v
}
func nextInts(n int) []int {
    r := make([]int, n)
    for i := 0; i < n; i++ {
        r[i] = nextInt()
    }
    return r
}
func nextFloat64() float64 {
    f, _ := strconv.ParseFloat(nextReader(), 64)
    return f
}
 
 
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