#614624 (Go) No.1372 Median of Submasks

• 問題: No.1372 Median of Submasks
• ユーザー: aru aru
• 提出日時: 2021-02-07 20:23:11
• 言語: Go (1.23.4)
• 結果: AC
• 実行時間: 2 ms / 2,000 ms
• コード長: 1,659 bytes
• コンパイル時間: 14,555 ms
• コンパイル使用メモリ: 219,776 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-07-04 13:30:33
• 合計ジャッジ時間: 12,540 ms
• ジャッジサーバーID （参考情報）: judge3 / judge4

ファイルパターン	結果
sample	AC * 2
other	AC * 24

ソースコード

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package main
import (
    "bufio"
    "fmt"
    "math"
    "os"
    "sort"
    "strconv"
)
var sc = bufio.NewScanner(os.Stdin)
var wr = bufio.NewWriter(os.Stdout)
func out(x ...interface{}) {
    fmt.Fprintln(wr, x...)
}
func getI() int {
    sc.Scan()
    i, e := strconv.Atoi(sc.Text())
    if e != nil {
        panic(e)
    }
    return i
}
func getF() float64 {
    sc.Scan()
    i, e := strconv.ParseFloat(sc.Text(), 64)
    if e != nil {
        panic(e)
    }
    return i
}
func getInts(N int) []int {
    ret := make([]int, N)
    for i := 0; i < N; i++ {
        ret[i] = getI()
    }
    return ret
}
func getS() string {
    sc.Scan()
    return sc.Text()
}
// min, max, asub, absなど基本関数
func max(a, b int) int {
    if a > b {
        return a
    }
    return b
}
func min(a, b int) int {
    if a < b {
        return a
    }
    return b
}
// min for n entry
func nmin(a ...int) int {
    ret := a[0]
    for _, e := range a {
        ret = min(ret, e)
    }
    return ret
}
// max for n entry
func nmax(a ...int) int {
    ret := a[0]
    for _, e := range a {
        ret = max(ret, e)
    }
    return ret
}
func asub(a, b int) int {
    if a > b {
        return a - b
    }
    return b - a
}
func abs(a int) int {
    if a >= 0 {
        return a
    }
    return -a
}
func lowerBound(a []int, x int) int {
    idx := sort.Search(len(a), func(i int) bool {
        return a[i] >= x
    })
    return idx
}
func upperBound(a []int, x int) int {
    idx := sort.Search(len(a), func(i int) bool {
        return a[i] > x
    })
    return idx
}
func main() {
    defer wr.Flush()
    sc.Split(bufio.ScanWords)
    sc.Buffer([]byte{}, math.MaxInt32)
    // this template is new version.
    // use getI(), getS(), getInts(), getF()
    N := getI()
    a := make([]int, 0)
    for N > 0 {
        a = append(a, N%2)
        N /= 2
    }
    out(1 << (len(a) - 1))
}
 
 
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