Submission #7052045


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

			boolean flag = true;
			for(x = 0; x <= N - 2; x++){
				for(y = x + 1; y <= N - 1; y++){
					if(((bitNumber >> x) & (bitNumber >> y) & 1) == 1){
						if(!isFriend[(2*N-x-3)*x/2 + y-1]){
							flag = false; continue A;
						}
					}
				}
			}
			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 100
Code Size 1050 Byte
Status AC
Exec Time 114 ms
Memory 25172 KB

Judge Result

Set Name all
Score / Max Score 100 / 100
Status
AC × 74
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 93 ms 21844 KB
00_sample_02.txt AC 94 ms 21716 KB
00_sample_03.txt AC 94 ms 19796 KB
00_sample_04.txt AC 96 ms 19028 KB
test_01.txt AC 94 ms 19156 KB
test_02.txt AC 93 ms 19924 KB
test_03.txt AC 94 ms 18772 KB
test_04.txt AC 96 ms 20820 KB
test_05.txt AC 94 ms 19796 KB
test_06.txt AC 96 ms 21588 KB
test_07.txt AC 97 ms 21588 KB
test_08.txt AC 97 ms 20052 KB
test_09.txt AC 98 ms 18644 KB
test_10.txt AC 98 ms 19412 KB
test_11.txt AC 96 ms 19924 KB
test_12.txt AC 101 ms 20564 KB
test_13.txt AC 94 ms 18900 KB
test_14.txt AC 94 ms 18644 KB
test_15.txt AC 96 ms 21460 KB
test_16.txt AC 97 ms 18644 KB
test_17.txt AC 99 ms 18644 KB
test_18.txt AC 98 ms 25172 KB
test_19.txt AC 101 ms 20564 KB
test_20.txt AC 104 ms 23764 KB
test_21.txt AC 98 ms 21716 KB
test_22.txt AC 99 ms 23892 KB
test_23.txt AC 112 ms 19796 KB
test_24.txt AC 100 ms 19284 KB
test_25.txt AC 95 ms 19412 KB
test_26.txt AC 99 ms 18644 KB
test_27.txt AC 97 ms 19028 KB
test_28.txt AC 94 ms 21844 KB
test_29.txt AC 98 ms 18900 KB
test_30.txt AC 98 ms 19284 KB
test_31.txt AC 101 ms 19284 KB
test_32.txt AC 98 ms 21844 KB
test_33.txt AC 100 ms 21204 KB
test_34.txt AC 99 ms 21204 KB
test_35.txt AC 101 ms 18640 KB
test_36.txt AC 102 ms 18900 KB
test_37.txt AC 98 ms 19412 KB
test_38.txt AC 112 ms 19412 KB
test_39.txt AC 102 ms 20820 KB
test_40.txt AC 98 ms 21844 KB
test_41.txt AC 114 ms 20948 KB
test_42.txt AC 102 ms 19924 KB
test_43.txt AC 97 ms 21076 KB
test_44.txt AC 100 ms 18900 KB
test_45.txt AC 114 ms 21716 KB
test_46.txt AC 101 ms 23764 KB
test_47.txt AC 100 ms 18644 KB
test_48.txt AC 102 ms 21588 KB
test_49.txt AC 100 ms 21716 KB
test_50.txt AC 98 ms 21204 KB
test_51.txt AC 100 ms 18644 KB
test_52.txt AC 100 ms 21204 KB
test_53.txt AC 100 ms 19924 KB
test_54.txt AC 100 ms 21076 KB
test_55.txt AC 99 ms 18644 KB
test_56.txt AC 102 ms 18900 KB
test_57.txt AC 101 ms 21588 KB
test_58.txt AC 100 ms 21076 KB
test_59.txt AC 102 ms 20688 KB
test_60.txt AC 102 ms 21332 KB
test_61.txt AC 102 ms 18636 KB
test_62.txt AC 95 ms 20948 KB
test_63.txt AC 100 ms 20692 KB
test_64.txt AC 98 ms 21844 KB
test_65.txt AC 100 ms 18508 KB
test_66.txt AC 101 ms 21076 KB
test_67.txt AC 98 ms 20692 KB
test_68.txt AC 100 ms 21844 KB
test_69.txt AC 99 ms 19284 KB
test_70.txt AC 101 ms 17748 KB