結果

問題 No.167 N^M mod 10
ユーザー uwiuwi
提出日時 2015-03-19 23:25:30
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,056 bytes
コンパイル時間 3,296 ms
コンパイル使用メモリ 84,960 KB
実行使用メモリ 50,500 KB
最終ジャッジ日時 2024-06-28 23:16:46
合計ジャッジ時間 5,673 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 WA -
testcase_01 WA -
testcase_02 AC 56 ms
37,164 KB
testcase_03 AC 56 ms
36,824 KB
testcase_04 WA -
testcase_05 AC 48 ms
37,028 KB
testcase_06 WA -
testcase_07 AC 47 ms
36,788 KB
testcase_08 AC 48 ms
36,676 KB
testcase_09 AC 48 ms
36,844 KB
testcase_10 WA -
testcase_11 AC 48 ms
36,804 KB
testcase_12 AC 47 ms
36,700 KB
testcase_13 WA -
testcase_14 AC 46 ms
36,888 KB
testcase_15 AC 46 ms
36,920 KB
testcase_16 AC 47 ms
36,788 KB
testcase_17 AC 48 ms
36,920 KB
testcase_18 AC 48 ms
37,048 KB
testcase_19 AC 48 ms
36,700 KB
testcase_20 AC 48 ms
36,620 KB
testcase_21 AC 46 ms
36,732 KB
testcase_22 AC 53 ms
37,264 KB
testcase_23 AC 57 ms
36,952 KB
testcase_24 AC 57 ms
37,192 KB
testcase_25 AC 57 ms
37,172 KB
testcase_26 AC 51 ms
37,096 KB
testcase_27 WA -
testcase_28 WA -
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ソースコード

diff # 

package q3xx;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class Q373 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		char[] n = ns().toCharArray();
		char[] m = ns().toCharArray();
		int L = n[n.length-1]-'0';
		int mm = (m[m.length-1]-'0') + (m.length-2 >= 0 ? (m[m.length-2]-'0')*10 : 0);
		mm %= 4;
		long ret = 1;
		for(int i = 0;i < mm;i++){
			ret = ret * L % 10;
		}
		out.println(ret);
	}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
	}
	
	public static void main(String[] args) throws Exception { new Q373().run(); }
	
	private byte[] inbuf = new byte[1024];
	private int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private char[][] nm(int n, int m)
	{
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private int ni()
	{
		int num = 0, b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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