#333865 (Java21) No.3045 怪文書

• 問題: No.3045 怪文書
• ユーザー: Oland
• 提出日時: 2019-04-01 23:17:06
• 言語: Java21 (openjdk 21)
• 結果: AC
• 実行時間: 56 ms / 2,000 ms
• コード長: 3,193 bytes
• コンパイル時間: 2,878 ms
• コンパイル使用メモリ: 77,472 KB
• 実行使用メモリ: 50,268 KB
• 最終ジャッジ日時: 2024-11-27 04:20:50
• 合計ジャッジ時間: 5,002 ms
• ジャッジサーバーID （参考情報）: judge3 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	55 ms; 50,004 KB
testcase_01	AC	54 ms; 50,196 KB
testcase_02	AC	53 ms; 50,268 KB
testcase_03	AC	55 ms; 50,140 KB
testcase_04	AC	54 ms; 50,036 KB
testcase_05	AC	54 ms; 49,664 KB
testcase_06	AC	54 ms; 49,768 KB
testcase_07	AC	56 ms; 50,108 KB
testcase_08	AC	55 ms; 49,656 KB
testcase_09	AC	54 ms; 50,088 KB
testcase_10	AC	54 ms; 50,172 KB
testcase_11	AC	55 ms; 49,884 KB
testcase_12	AC	54 ms; 49,996 KB
testcase_13	AC	54 ms; 50,124 KB
testcase_14	AC	53 ms; 49,812 KB
testcase_15	AC	54 ms; 49,792 KB
testcase_16	AC	54 ms; 49,808 KB
testcase_17	AC	54 ms; 49,772 KB
testcase_18	AC	54 ms; 49,856 KB
testcase_19	AC	54 ms; 50,100 KB
testcase_20	AC	55 ms; 50,200 KB

ソースコード

import java.io.*;
import java.util.*;
import java.util.Map.Entry;

public class Main {
	
	final boolean isDebug = false;
	String fileName = "input.txt";
	FastScanner sc;
	PrintWriter out;
	final int MOD = (int)1e9+7;
	final int INF = Integer.MAX_VALUE / 2;
	
	void solve() throws Exception{
		int N = sc.nextInt();
		int M = sc.nextInt();
		if(N >= M) System.out.println(0);
		else{
			long ans = 1;
			for(int i = N; i >= 1; i--){
				ans *= i;
				ans %= M;
			}
			System.out.println(ans);
		}
	}
	
	
	/* end solve */
	
	/* main */
	public static void main(String[] args) throws Exception {
		new Main().m();
	}
	
	void m() throws Exception {
		long S = System.currentTimeMillis();
		sc = (isDebug) ? new FastScanner(new FileInputStream(fileName)) : new FastScanner(System.in);
		out = new PrintWriter(System.out);
		solve();
		out.flush();
		long G = System.currentTimeMillis();
		if(isDebug){
			System.out.println("---Debug---");
			System.out.printf("%8d ms", (G-S));
		}
	}
	/* end main */
}
/* end Main */

class FastScanner {
    private InputStream in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    public FastScanner(InputStream in) {
		this.in = in;
	}
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() {
    	if (hasNextByte()) return buffer[ptr++];
    	else return -1;
    }
    private static boolean isPrintableChar(int c){
    	return 33 <= c && c <= 126;
    }
    public boolean hasNext() {
    	while(hasNextByte() && !isPrintableChar(buffer[ptr]))
    		ptr++; return hasNextByte();
    }
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() {
    	return Double.parseDouble(next());
    }
}