結果

問題 No.1176 少ない質問
ユーザー shojin_pro
提出日時 2020-08-21 21:51:59
言語 Java
(openjdk 23)
結果
AC  
実行時間 54 ms / 1,000 ms
コード長 2,865 bytes
コンパイル時間 2,423 ms
コンパイル使用メモリ 78,476 KB
実行使用メモリ 37,248 KB
最終ジャッジ日時 2024-10-15 05:33:32
合計ジャッジ時間 4,149 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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ファイルパターン 結果
other AC * 21
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import java.util.*;
import java.io.*;
import java.lang.IllegalArgumentException;
 
public class Main {
    public static void main(String[] args) throws Exception {
        FastScanner sc = new FastScanner(System.in);
        PrintWriter pw = new PrintWriter(System.out);
        long a = sc.nextLong();
        long imax = a;
        long min = Long.MAX_VALUE;
        for(long i = 2; i <= imax; i++){
            long tmp = 0;
            long now = a-1;
            while(now > 0){
                tmp += i;
                now /= i;
            }
            min = Math.min(min,tmp);
            imax = Math.min(imax,tmp);
        }
        pw.println(min);
        pw.flush();
    }
    static class GeekInteger {
        public static void save_sort(int[] array) {
            shuffle(array);
            Arrays.sort(array);
        }
 
        public static int[] shuffle(int[] array) {
            int n = array.length;
            Random random = new Random();
            for (int i = 0, j; i < n; i++) {
                j = i + random.nextInt(n - i);
                int randomElement = array[j];
                array[j] = array[i];
                array[i] = randomElement;
            }
            return array;
        }
 
    }
}
class FastScanner {
    private BufferedReader reader = null;
    private StringTokenizer tokenizer = null;
    public FastScanner(InputStream in) {
        reader = new BufferedReader(new InputStreamReader(in));
        tokenizer = null;
    }
    public String next() {
        if (tokenizer == null || !tokenizer.hasMoreTokens()) {
            try {
                tokenizer = new StringTokenizer(reader.readLine());
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return tokenizer.nextToken();
    }
    public String nextLine() {
        if (tokenizer == null || !tokenizer.hasMoreTokens()) {
            try {
                return reader.readLine();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return tokenizer.nextToken("\n");
    }
    public long nextLong() {
        return Long.parseLong(next());
    }
    public int nextInt() {
        return Integer.parseInt(next());
    }
    public double nextDouble() {
         return Double.parseDouble(next());
    }
    
    public String[] nextArray(int n) {
        String[] a = new String[n];
        for (int i = 0; i < n; i++)
            a[i] = next();
        return a;
    }
    public int[] nextIntArray(int n) {
        int[] a = new int[n];
        for (int i = 0; i < n; i++)
            a[i] = nextInt();
        return a;
    }
    public long[] nextLongArray(int n) {
        long[] a = new long[n];
        for (int i = 0; i < n; i++)
            a[i] = nextLong();
        return a;
    } 
}
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