結果

問題 No.1463 Hungry Kanten
ユーザー watarimaycry2watarimaycry2
提出日時 2023-06-24 08:53:20
言語 Java21
(openjdk 21)
結果
TLE  
実行時間 -
コード長 4,902 bytes
コンパイル時間 2,589 ms
コンパイル使用メモリ 81,556 KB
実行使用メモリ 132,780 KB
最終ジャッジ日時 2024-07-01 12:09:20
合計ジャッジ時間 8,822 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
このコードへのチャレンジ
(要ログイン)

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 AC 56 ms
50,344 KB
testcase_01 AC 55 ms
50,608 KB
testcase_02 AC 276 ms
56,384 KB
testcase_03 AC 1,754 ms
84,332 KB
testcase_04 AC 61 ms
50,596 KB
testcase_05 TLE -
testcase_06 AC 56 ms
50,600 KB
testcase_07 AC 56 ms
50,376 KB
testcase_08 AC 60 ms
50,336 KB
testcase_09 AC 57 ms
50,696 KB
testcase_10 AC 84 ms
51,092 KB
testcase_11 AC 95 ms
51,656 KB
testcase_12 AC 111 ms
52,240 KB
testcase_13 AC 101 ms
51,300 KB
testcase_14 AC 189 ms
56,288 KB
testcase_15 AC 123 ms
54,404 KB
testcase_16 AC 267 ms
59,484 KB
testcase_17 AC 466 ms
69,436 KB
testcase_18 AC 293 ms
63,216 KB
testcase_19 AC 1,526 ms
103,188 KB
testcase_20 AC 1,507 ms
91,208 KB
testcase_21 AC 105 ms
51,484 KB
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(){
			try{
				BufferedReader br = new BufferedReader(new InputStreamReader(System.in, "UTF-8"));
				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(Arrays.deepToString(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 N = nextInt();
        int K = nextInt();
        ArrayList<BigInteger> list = new ArrayList<>();
        for(int i = 0; i < N; i++){
            list.add(new BigInteger(next()));
        }
        HashSet<String> used = new HashSet<>();
        for(int i = 1; i < (1 << N); i++){
            ArrayList<BigInteger> select = new ArrayList<>();
            for(int j = 0; j < N; j++){
                if((i & (1 << j)) != 0){
                    select.add(list.get(j));
                }
            }
            if(select.size() >= K){
                BigInteger plus = new BigInteger("0");
                BigInteger multi = new BigInteger("1");
                for(int j = 0; j < select.size(); j++){
                    plus = plus.add(select.get(j));
                    multi = multi.multiply(select.get(j));
                }
                used.add(plus.toString());
                used.add(multi.toString());
            }
        }
        myout(used.size());
	}
	//メソッド追加エリア ここから



	//メソッド追加エリア ここまで
}
0