AtCoder Beginner Contest 002

Submission #4654353

Source codeソースコード

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

Task問題 D - 派閥
User nameユーザ名 tonko2
Created time投稿日時
Language言語 Java8 (OpenJDK 1.8.0)
Status状態 AC
Score得点 100
Source lengthソースコード長 1489 Byte
File nameファイル名
Exec time実行時間 151 ms
Memory usageメモリ使用量 25172 KB

Test case

Set

Set name Score得点 / Max score 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_sample_01.txt AC 94 ms 19540 KB
00_sample_02.txt AC 96 ms 20564 KB
00_sample_03.txt AC 98 ms 21716 KB
00_sample_04.txt AC 142 ms 20732 KB
test_01.txt AC 94 ms 23252 KB
test_02.txt AC 95 ms 20564 KB
test_03.txt AC 94 ms 21076 KB
test_04.txt AC 97 ms 19668 KB
test_05.txt AC 95 ms 25172 KB
test_06.txt AC 96 ms 20692 KB
test_07.txt AC 99 ms 19024 KB
test_08.txt AC 104 ms 20560 KB
test_09.txt AC 106 ms 23892 KB
test_10.txt AC 115 ms 21200 KB
test_11.txt AC 121 ms 21460 KB
test_12.txt AC 150 ms 23040 KB
test_13.txt AC 93 ms 19796 KB
test_14.txt AC 95 ms 21716 KB
test_15.txt AC 101 ms 20688 KB
test_16.txt AC 106 ms 18640 KB
test_17.txt AC 129 ms 21972 KB
test_18.txt AC 131 ms 21716 KB
test_19.txt AC 146 ms 19888 KB
test_20.txt AC 148 ms 24764 KB
test_21.txt AC 105 ms 18772 KB
test_22.txt AC 134 ms 19540 KB
test_23.txt AC 136 ms 22352 KB
test_24.txt AC 145 ms 22836 KB
test_25.txt AC 94 ms 21204 KB
test_26.txt AC 143 ms 22840 KB
test_27.txt AC 124 ms 19412 KB
test_28.txt AC 95 ms 21844 KB
test_29.txt AC 104 ms 21204 KB
test_30.txt AC 127 ms 19028 KB
test_31.txt AC 139 ms 20024 KB
test_32.txt AC 136 ms 19668 KB
test_33.txt AC 147 ms 21436 KB
test_34.txt AC 127 ms 21844 KB
test_35.txt AC 149 ms 22268 KB
test_36.txt AC 140 ms 20432 KB
test_37.txt AC 147 ms 23488 KB
test_38.txt AC 150 ms 23708 KB
test_39.txt AC 146 ms 22328 KB
test_40.txt AC 143 ms 18944 KB
test_41.txt AC 151 ms 23096 KB
test_42.txt AC 147 ms 22712 KB
test_43.txt AC 136 ms 20308 KB
test_44.txt AC 151 ms 24704 KB
test_45.txt AC 147 ms 24764 KB
test_46.txt AC 148 ms 22976 KB
test_47.txt AC 147 ms 23228 KB
test_48.txt AC 149 ms 23360 KB
test_49.txt AC 145 ms 22712 KB
test_50.txt AC 147 ms 20508 KB
test_51.txt AC 146 ms 24456 KB
test_52.txt AC 149 ms 20412 KB
test_53.txt AC 146 ms 22336 KB
test_54.txt AC 145 ms 20768 KB
test_55.txt AC 146 ms 23936 KB
test_56.txt AC 147 ms 22572 KB
test_57.txt AC 144 ms 21436 KB
test_58.txt AC 145 ms 24764 KB
test_59.txt AC 146 ms 20660 KB
test_60.txt AC 147 ms 21948 KB
test_61.txt AC 147 ms 21968 KB
test_62.txt AC 91 ms 19796 KB
test_63.txt AC 150 ms 19776 KB
test_64.txt AC 145 ms 22844 KB
test_65.txt AC 144 ms 23228 KB
test_66.txt AC 146 ms 20804 KB
test_67.txt AC 146 ms 24768 KB
test_68.txt AC 147 ms 21660 KB
test_69.txt AC 145 ms 24900 KB
test_70.txt AC 142 ms 23484 KB