Submission #7051987


Source Code Expand

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		final int N = sc.nextInt();
		final int M = sc.nextInt();

		final int friendLength = N*(N-1)/2;
		final boolean[] isFriend = new boolean[friendLength];
		for (int i = 0; i < M; i++) {
			int xi = sc.nextInt();
			int yi = sc.nextInt();
			isFriend[(2*N-xi-2)*(xi-1)/2 + yi-2] = true;
		}
		sc.close();

		int intOut = 1;
		int x;
		int y;
		for(int bitNumber = 1; bitNumber <= (1 << N) - 1; bitNumber++){
			int groupL = Integer.bitCount(bitNumber);
			if(groupL <= intOut){
				continue;
			}

			boolean flag = true;
			for (int i = 0; i < isFriend.length; i++) {
				x = (int)(2*N+1-Math.sqrt((2*N-1)*(2*N-1)-8*i));
				y = i - x;
				if(((bitNumber >> x) & (bitNumber >> y) & 1) == 1){
					if(!isFriend[(2*N-x-3)*x/2 + y-1]){
						flag = false; break;
					}
				}
			}
			if(flag){
				intOut = groupL;
			}

		}

		String strOut = Integer.toString(intOut);
		System.out.println(strOut);
	}
}

Submission Info

Submission Time
Task D - 派閥
User ste234689ado
Language Java8 (OpenJDK 1.8.0)
Score 0
Code Size 1077 Byte
Status RE
Exec Time 109 ms
Memory 23508 KB

Judge Result

Set Name all
Score / Max Score 0 / 100
Status
AC × 17
WA × 14
RE × 43
Set Name Test Cases
all 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45.txt, test_46.txt, test_47.txt, test_48.txt, test_49.txt, test_50.txt, test_51.txt, test_52.txt, test_53.txt, test_54.txt, test_55.txt, test_56.txt, test_57.txt, test_58.txt, test_59.txt, test_60.txt, test_61.txt, test_62.txt, test_63.txt, test_64.txt, test_65.txt, test_66.txt, test_67.txt, test_68.txt, test_69.txt, test_70.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 92 ms 17108 KB
00_sample_02.txt WA 92 ms 21844 KB
00_sample_03.txt WA 92 ms 21844 KB
00_sample_04.txt RE 98 ms 23508 KB
test_01.txt AC 92 ms 21716 KB
test_02.txt AC 93 ms 17876 KB
test_03.txt WA 91 ms 21844 KB
test_04.txt WA 94 ms 19796 KB
test_05.txt WA 92 ms 21844 KB
test_06.txt WA 93 ms 18644 KB
test_07.txt WA 93 ms 21844 KB
test_08.txt AC 97 ms 20692 KB
test_09.txt AC 98 ms 19796 KB
test_10.txt WA 96 ms 20692 KB
test_11.txt WA 94 ms 18772 KB
test_12.txt RE 101 ms 18900 KB
test_13.txt AC 94 ms 19028 KB
test_14.txt AC 91 ms 18764 KB
test_15.txt WA 95 ms 21844 KB
test_16.txt AC 98 ms 21584 KB
test_17.txt AC 98 ms 21076 KB
test_18.txt WA 97 ms 20948 KB
test_19.txt RE 100 ms 21332 KB
test_20.txt RE 100 ms 21844 KB
test_21.txt AC 96 ms 18900 KB
test_22.txt AC 98 ms 19796 KB
test_23.txt AC 107 ms 21844 KB
test_24.txt RE 100 ms 21844 KB
test_25.txt AC 93 ms 19412 KB
test_26.txt RE 99 ms 20820 KB
test_27.txt WA 94 ms 18768 KB
test_28.txt AC 92 ms 18516 KB
test_29.txt AC 97 ms 17748 KB
test_30.txt AC 107 ms 19284 KB
test_31.txt RE 100 ms 18772 KB
test_32.txt WA 109 ms 19284 KB
test_33.txt RE 101 ms 19412 KB
test_34.txt AC 96 ms 18768 KB
test_35.txt RE 98 ms 21844 KB
test_36.txt RE 101 ms 21204 KB
test_37.txt RE 93 ms 18772 KB
test_38.txt RE 99 ms 21972 KB
test_39.txt RE 101 ms 23124 KB
test_40.txt RE 94 ms 18644 KB
test_41.txt RE 101 ms 19540 KB
test_42.txt RE 101 ms 21844 KB
test_43.txt RE 94 ms 18900 KB
test_44.txt RE 100 ms 20564 KB
test_45.txt RE 99 ms 19924 KB
test_46.txt RE 100 ms 19796 KB
test_47.txt RE 101 ms 22732 KB
test_48.txt RE 101 ms 20564 KB
test_49.txt RE 97 ms 18640 KB
test_50.txt RE 97 ms 19792 KB
test_51.txt RE 97 ms 20692 KB
test_52.txt RE 99 ms 21712 KB
test_53.txt RE 99 ms 18644 KB
test_54.txt RE 98 ms 19540 KB
test_55.txt RE 98 ms 18772 KB
test_56.txt RE 99 ms 20564 KB
test_57.txt RE 99 ms 18900 KB
test_58.txt RE 101 ms 17104 KB
test_59.txt RE 103 ms 19924 KB
test_60.txt RE 100 ms 19284 KB
test_61.txt RE 101 ms 19796 KB
test_62.txt WA 92 ms 20692 KB
test_63.txt RE 99 ms 18644 KB
test_64.txt RE 97 ms 18644 KB
test_65.txt RE 100 ms 21460 KB
test_66.txt RE 99 ms 20692 KB
test_67.txt RE 98 ms 20692 KB
test_68.txt RE 100 ms 18644 KB
test_69.txt RE 98 ms 21204 KB
test_70.txt RE 99 ms 20948 KB