Submission #3808134

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Source Code Expand

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Task solver = new Task();
        solver.solve(in, out);
        out.close();
    }

    static class Task {
        void solve(InputReader in, PrintWriter out) {
            // write your code here
            int N = in.nextInt();
            int ans = N;

            for (int i = 0; i <= N; i++) {
                int min = 0;
                int payBy6 = i;
                while (payBy6 > 0) {
                    min += payBy6 % 6;
                    payBy6 /= 6;
                }
                int payBy9 = N - i;
                while (payBy9 > 0) {
                    min += payBy9 % 9;
                    payBy9 /= 9;
                }
                ans = Math.min(ans, min);
            }

            out.println(ans);
        }
    }

    static class InputReader {
        BufferedReader reader;
        StringTokenizer tokenizer;

        InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream));
            tokenizer = null;
        }

        String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }
    }
}

Submission Info

Judge Result