Submission #4654353


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import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

import static java.lang.Math.max;

public class Main {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt(), m = sc.nextInt();
        boolean[][] relation = new boolean[n][n];

        for (int i = 0; i < m; i++) {
            int x = sc.nextInt();
            int y = sc.nextInt();
            x--;
            y--;
            relation[x][y] = relation[y][x] = true;
        }

        int ans = 0;

        for (int i = 0; i < (2 << n); i++) {
            List<Integer> list = new ArrayList<>();
            for (int j = 0; j < n; j++) {
                if (((i >> j) & 1) == 1) {
                    list.add(j);
                }
            }

            boolean flag = true;
            for (int j = 0; j < list.size(); j++) {
                for (int k = 0; k < list.size(); k++) {
                    int x = list.get(j);
                    int y = list.get(k);
                    if (x == y) {
                        continue;
                    }
                    if ((((i >> x) & 1) == 1) && (((i >> y) & 1) == 1) && !relation[x][y]) {
                        flag = false;
                    }
                }
            }

            if (flag) {
                ans = max(ans, list.size());
            }
        }

        System.out.println(ans);
    }
}

Submission Info

Submission Time
Task D - 派閥
User tonko2
Language Java8 (OpenJDK 1.8.0)
Score 100
Code Size 1489 Byte
Status
Exec Time 151 ms
Memory 25172 KB

Judge Result

Set Name Score / Max Score Test Cases
all 100 / 100 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 94 ms 19540 KB
00_sample_02.txt 96 ms 20564 KB
00_sample_03.txt 98 ms 21716 KB
00_sample_04.txt 142 ms 20732 KB
test_01.txt 94 ms 23252 KB
test_02.txt 95 ms 20564 KB
test_03.txt 94 ms 21076 KB
test_04.txt 97 ms 19668 KB
test_05.txt 95 ms 25172 KB
test_06.txt 96 ms 20692 KB
test_07.txt 99 ms 19024 KB
test_08.txt 104 ms 20560 KB
test_09.txt 106 ms 23892 KB
test_10.txt 115 ms 21200 KB
test_11.txt 121 ms 21460 KB
test_12.txt 150 ms 23040 KB
test_13.txt 93 ms 19796 KB
test_14.txt 95 ms 21716 KB
test_15.txt 101 ms 20688 KB
test_16.txt 106 ms 18640 KB
test_17.txt 129 ms 21972 KB
test_18.txt 131 ms 21716 KB
test_19.txt 146 ms 19888 KB
test_20.txt 148 ms 24764 KB
test_21.txt 105 ms 18772 KB
test_22.txt 134 ms 19540 KB
test_23.txt 136 ms 22352 KB
test_24.txt 145 ms 22836 KB
test_25.txt 94 ms 21204 KB
test_26.txt 143 ms 22840 KB
test_27.txt 124 ms 19412 KB
test_28.txt 95 ms 21844 KB
test_29.txt 104 ms 21204 KB
test_30.txt 127 ms 19028 KB
test_31.txt 139 ms 20024 KB
test_32.txt 136 ms 19668 KB
test_33.txt 147 ms 21436 KB
test_34.txt 127 ms 21844 KB
test_35.txt 149 ms 22268 KB
test_36.txt 140 ms 20432 KB
test_37.txt 147 ms 23488 KB
test_38.txt 150 ms 23708 KB
test_39.txt 146 ms 22328 KB
test_40.txt 143 ms 18944 KB
test_41.txt 151 ms 23096 KB
test_42.txt 147 ms 22712 KB
test_43.txt 136 ms 20308 KB
test_44.txt 151 ms 24704 KB
test_45.txt 147 ms 24764 KB
test_46.txt 148 ms 22976 KB
test_47.txt 147 ms 23228 KB
test_48.txt 149 ms 23360 KB
test_49.txt 145 ms 22712 KB
test_50.txt 147 ms 20508 KB
test_51.txt 146 ms 24456 KB
test_52.txt 149 ms 20412 KB
test_53.txt 146 ms 22336 KB
test_54.txt 145 ms 20768 KB
test_55.txt 146 ms 23936 KB
test_56.txt 147 ms 22572 KB
test_57.txt 144 ms 21436 KB
test_58.txt 145 ms 24764 KB
test_59.txt 146 ms 20660 KB
test_60.txt 147 ms 21948 KB
test_61.txt 147 ms 21968 KB
test_62.txt 91 ms 19796 KB
test_63.txt 150 ms 19776 KB
test_64.txt 145 ms 22844 KB
test_65.txt 144 ms 23228 KB
test_66.txt 146 ms 20804 KB
test_67.txt 146 ms 24768 KB
test_68.txt 147 ms 21660 KB
test_69.txt 145 ms 24900 KB
test_70.txt 142 ms 23484 KB