結果

問題 No.1644 Eight Digits
コンテスト
ユーザー watarimaycry2
提出日時 2021-08-13 22:19:56
言語 Java
(openjdk 23)
結果
AC  
実行時間 256 ms / 1,000 ms
コード長 5,095 bytes
コンパイル時間 2,749 ms
コンパイル使用メモリ 83,816 KB
実行使用メモリ 60,740 KB
最終ジャッジ日時 2024-10-03 19:48:30
合計ジャッジ時間 10,474 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 25
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 # 

import java.util.*; import java.io.*; import java.math.*;
public class Main{
	//見なくていいよ　ここから------------------------------------------
	static class InputIterator{
		ArrayList<String> inputLine = new ArrayList<>(1024);
		int index = 0; int max; String read;
		InputIterator(){
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			try{
				while((read = br.readLine()) != null){
					inputLine.addAll(Arrays.asList(read.split(" ")));
				}
			}catch(IOException e){}
			max = inputLine.size();
		}
		boolean hasNext(){return (index < max);}
		String next(){
			if(hasNext()){
				return inputLine.get(index++);
			}else{
				throw new IndexOutOfBoundsException("There is no more input");
			}
		}
	}
	static HashMap<Integer, String> CONVSTR = new HashMap<>();
	static InputIterator ii = new InputIterator();//This class cannot be used in reactive problem.
	static PrintWriter out = new PrintWriter(System.out);
	static void flush(){out.flush();}
	static void myout(Object t){out.println(t);}
	static void myerr(Object t){System.err.print("debug:");System.err.println(t);}
	static String next(){return ii.next();}
	static boolean hasNext(){return ii.hasNext();}
	static int nextInt(){return Integer.parseInt(next());}
	static long nextLong(){return Long.parseLong(next());}
	static double nextDouble(){return Double.parseDouble(next());}
	static ArrayList<String> nextCharArray(){return myconv(next(), 0);}
	static ArrayList<String> nextStrArray(int size){
		ArrayList<String> ret = new ArrayList<>(size);
		for(int i = 0; i < size; i++){
			ret.add(next());
		}
		return ret;
	}
	static ArrayList<Integer> nextIntArray(int size){
		ArrayList<Integer> ret = new ArrayList<>(size);
		for(int i = 0; i < size; i++){
			ret.add(Integer.parseInt(next()));
		}
		return ret;
	}
	static ArrayList<Long> nextLongArray(int size){
		ArrayList<Long> ret = new ArrayList<>(size);
		for(int i = 0; i < size; i++){
			ret.add(Long.parseLong(next()));
		}
		return ret;
	}
	@SuppressWarnings("unchecked")
	static String myconv(Object list, int no){//only join
		StringBuilder sb = new StringBuilder("");
		String joinString = CONVSTR.get(no);
		if(list instanceof String[]){
			return String.join(joinString, (String[])list);
		}else if(list instanceof long[]){
			long[] tmp = (long[])list;
			if(tmp.length == 0){
				return "";
			}
			sb.append(String.valueOf(tmp[0]));
			for(int i = 1; i < tmp.length; i++){
				sb.append(joinString).append(String.valueOf(tmp[i]));
			}
			return sb.toString();
		}else if(list instanceof int[]){
			int[] tmp = (int[])list;
			if(tmp.length == 0){
				return "";
			}
			sb.append(String.valueOf(tmp[0]));
			for(int i = 1; i < tmp.length; i++){
				sb.append(joinString).append(String.valueOf(tmp[i]));
			}
			return sb.toString();
		}else if(list instanceof ArrayList){
			ArrayList tmp = (ArrayList)list;
			if(tmp.size() == 0){
				return "";
			}
			sb.append(tmp.get(0));
			for(int i = 1; i < tmp.size(); i++){
				sb.append(joinString).append(tmp.get(i));
			}
			return sb.toString();
		}else{
			throw new ClassCastException("Don't join");
		}
	}
	static ArrayList<String> myconv(String str, int no){//only split
		String splitString = CONVSTR.get(no);
		return new ArrayList<String>(Arrays.asList(str.split(splitString)));
	}
	static ArrayList<String> myconv(String str, String no){
		return new ArrayList<String>(Arrays.asList(str.split(no)));
	}
	public static void main(String[] args){
		CONVSTR.put(8, " "); CONVSTR.put(9, "\n"); CONVSTR.put(0, "");
		solve();flush();
	}
	//見なくていいよ　ここまで------------------------------------------
	//このコードをコンパイルするときは、「-encoding UTF-8」を指定すること
	static void solve(){//ここがメイン関数
		int K = nextInt();
		String s = "12345678";
		int output = 0;
		while(true){
			int v = Integer.parseInt(s);
			if(v % K == 0){
				output++;
			}
			s = nextPermutation(s);
			if(s.equals("Final")){
				break;
			}
		}
		myout(output);
	}
	//メソッド追加エリア　ここから

static String nextPermutation(String s){
    ArrayList<Character> list = new ArrayList<>();
    for (int i = 0; i < s.length(); i++) list.add(s.charAt(i));
    int pivotPos = -1;
    char pivot = 0;
    for (int i = list.size() - 2; i >= 0; i--) {
        if (list.get(i) < list.get(i + 1)) {
            pivotPos = i;
            pivot = list.get(i);
            break;
        }
    }
    //s is order by asc
    if (pivotPos == -1 && pivot == 0) return "Final";
    int L = pivotPos + 1;
    int R = list.size() - 1;
    int minPos = -1;
    char min = Character.MAX_VALUE;
    for (int i = R; i >= L; i--) {
        if (pivot < list.get(i) && list.get(i) < min) {
            min = list.get(i);
            minPos = i;
        }
    }
    Collections.swap(list, pivotPos, minPos);
    Collections.sort(list.subList(L, R+1));
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < list.size(); i++) sb.append(list.get(i));
    return sb.toString();
}

	//メソッド追加エリア　ここまで
}
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