結果

問題 No.1280 Beyond C
ユーザー watarimaycry2watarimaycry2
提出日時 2020-11-06 21:48:47
言語 Java21
(openjdk 21)
結果
AC  
実行時間 505 ms / 2,000 ms
コード長 3,551 bytes
コンパイル時間 2,378 ms
コンパイル使用メモリ 81,940 KB
実行使用メモリ 66,680 KB
最終ジャッジ日時 2024-07-22 12:39:29
合計ジャッジ時間 7,387 ms
ジャッジサーバーID
（参考情報） 		judge3 / 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 AC 46 ms
37,040 KB
testcase_01 AC 46 ms
37,076 KB
testcase_02 AC 46 ms
37,024 KB
testcase_03 AC 44 ms
37,132 KB
testcase_04 AC 45 ms
36,928 KB
testcase_05 AC 46 ms
37,260 KB
testcase_06 AC 49 ms
36,780 KB
testcase_07 AC 46 ms
37,248 KB
testcase_08 AC 46 ms
36,624 KB
testcase_09 AC 45 ms
36,944 KB
testcase_10 AC 47 ms
37,240 KB
testcase_11 AC 58 ms
37,376 KB
testcase_12 AC 48 ms
37,044 KB
testcase_13 AC 59 ms
37,304 KB
testcase_14 AC 54 ms
37,464 KB
testcase_15 AC 351 ms
55,956 KB
testcase_16 AC 313 ms
51,436 KB
testcase_17 AC 344 ms
55,224 KB
testcase_18 AC 418 ms
66,008 KB
testcase_19 AC 411 ms
66,680 KB
testcase_20 AC 501 ms
61,116 KB
testcase_21 AC 491 ms
61,220 KB
testcase_22 AC 505 ms
61,128 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{
	static void solve(){//Here is the main function
		ArrayList<Long> one = nextLongArray();
		int N = one.get(0).intValue();
		int M = one.get(1).intValue();
		long C = one.get(2);
		ArrayList<Long> alist = nextLongArray();
		ArrayList<Long> blist = nextLongArray();
		Collections.sort(blist);
		long max = (long)N * M;
		long over = 0;
		for(int i = 0; i < N; i++){
			over += binarySearch(blist, alist.get(i), C);
		}
		myout((double) over / max);
	}
	//Method addition frame start

static int binarySearch(ArrayList<Long> list,long search, long C){
  int ng = -1;
  int ok = list.size();
  while(Math.abs(ok - ng) > 1){
    int center = (ok + ng) / 2;
    if(list.get(center) * search > C){
      ok = center;
    }else{
      ng = center;
    }
  }
  return list.size() - ok;
  //return list.get(ng);
}

	//Method addition frame end

	//Don't have to see. start------------------------------------------
	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.add(read);
				}
			}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> nextStrArray(){return myconv(next(), 8);}
	static ArrayList<String> nextCharArray(){return myconv(next(), 0);}
	static ArrayList<Integer> nextIntArray(){
		ArrayList<String> input = nextStrArray(); ArrayList<Integer> ret = new ArrayList<>(input.size());
		for(int i = 0; i < input.size(); i++){
			ret.add(Integer.parseInt(input.get(i)));
		}
		return ret;
	}
	static ArrayList<Long> nextLongArray(){
		ArrayList<String> input = nextStrArray(); ArrayList<Long> ret = new ArrayList<>(input.size());
		for(int i = 0; i < input.size(); i++){
			ret.add(Long.parseLong(input.get(i)));
		}
		return ret;
	}
	@SuppressWarnings("unchecked")
	static String myconv(Object list, int no){//only join
		String joinString = CONVSTR.get(no);
		if(list instanceof String[]){
			return String.join(joinString, (String[])list);
		}else if(list instanceof ArrayList){
			return String.join(joinString, (ArrayList)list);
		}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)));
	}
	public static void main(String[] args){
		CONVSTR.put(8, " "); CONVSTR.put(9, "\n"); CONVSTR.put(0, "");
		solve();flush();
	}
	//Don't have to see. end------------------------------------------
}
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