백준 HashHacking

<끄적이면서 문제 이해해봄>

import java.util.Scanner;

public class 해시해킹26008 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int M = sc.nextInt();
        int A = sc.nextInt();
        int h = sc.nextInt();
        long answer = 1;

        for (int i = 0; i < N - 1; i++) {
            answer = (answer * M) % 1000000007;
        }
        System.out.println(answer);
    }
}

import java.io.*;
import java.util.StringTokenizer;

public class 해시해킹_1 {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer stkr = new StringTokenizer(br.readLine());

        long n = Integer.parseInt(stkr.nextToken());
        long a = Integer.parseInt(stkr.nextToken());
        long m = Integer.parseInt(stkr.nextToken());
        long h = Integer.parseInt(br.readLine());

        long answer = 1;

        for (int i = 0; i < n - 1; i++) {
            answer = (answer * m)  % 1000000007;
        }
        bw.write(String.valueOf(answer));
        bw.close();
        bw.flush();
    }
}