AtCoder Beginner Contest 002

Submission #111870

Source codeソースコード

#include <iostream>
#include <vector>
#include <algorithm>
#include <bitset>

bool can(const std::vector<std::vector<bool> > &R, int N, int pattern)
{
	for (int i = 0; i < N; ++i) if (pattern & (1 << i))  {
		for (int j = i + 1; j < N; ++j) if (pattern & (1 << j)) {
			if (!R[i][j]) {
				return false;
			}
		}
	}
	return true;
}

int main()
{
	int N, M;
	std::cin >> N >> M;

	std::vector<std::vector<bool> > R(N, std::vector<bool>(N, false));

	for (int i = 0; i < M; ++i) {
		int x, y;
		std::cin >> x >> y;
		R[x - 1][y - 1] = true;
		R[y - 1][x - 1] = true;
	}
	size_t result = 0;
	for (int i = 0; i < (1 << N); ++i) {
		if (can(R, N, i)) {
			result = std::max(result, std::bitset<32>(i).count());
		}
	}
	std::cout << result << std::endl;
}

Submission

Task問題 D - 派閥
User nameユーザ名 a5ua
Created time投稿日時
Language言語 C++ (G++ 4.6.4)
Status状態 AC
Score得点 100
Source lengthソースコード長 788 Byte
File nameファイル名
Exec time実行時間 25 ms
Memory usageメモリ使用量 924 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 22 ms 800 KB
00_sample_02.txt AC 23 ms 792 KB
00_sample_03.txt AC 19 ms 792 KB
00_sample_04.txt AC 22 ms 796 KB
test_01.txt AC 22 ms 800 KB
test_02.txt AC 22 ms 924 KB
test_03.txt AC 22 ms 800 KB
test_04.txt AC 21 ms 720 KB
test_05.txt AC 19 ms 920 KB
test_06.txt AC 19 ms 796 KB
test_07.txt AC 21 ms 900 KB
test_08.txt AC 20 ms 808 KB
test_09.txt AC 21 ms 920 KB
test_10.txt AC 21 ms 796 KB
test_11.txt AC 22 ms 796 KB
test_12.txt AC 22 ms 800 KB
test_13.txt AC 21 ms 800 KB
test_14.txt AC 21 ms 796 KB
test_15.txt AC 22 ms 796 KB
test_16.txt AC 22 ms 800 KB
test_17.txt AC 23 ms 792 KB
test_18.txt AC 21 ms 796 KB
test_19.txt AC 21 ms 796 KB
test_20.txt AC 22 ms 912 KB
test_21.txt AC 22 ms 800 KB
test_22.txt AC 21 ms 800 KB
test_23.txt AC 25 ms 800 KB
test_24.txt AC 22 ms 800 KB
test_25.txt AC 21 ms 796 KB
test_26.txt AC 21 ms 796 KB
test_27.txt AC 21 ms 800 KB
test_28.txt AC 22 ms 800 KB
test_29.txt AC 22 ms 796 KB
test_30.txt AC 23 ms 796 KB
test_31.txt AC 21 ms 812 KB
test_32.txt AC 22 ms 796 KB
test_33.txt AC 22 ms 800 KB
test_34.txt AC 21 ms 796 KB
test_35.txt AC 23 ms 848 KB
test_36.txt AC 22 ms 800 KB
test_37.txt AC 22 ms 796 KB
test_38.txt AC 22 ms 920 KB
test_39.txt AC 22 ms 800 KB
test_40.txt AC 21 ms 800 KB
test_41.txt AC 22 ms 800 KB
test_42.txt AC 22 ms 812 KB
test_43.txt AC 19 ms 920 KB
test_44.txt AC 21 ms 796 KB
test_45.txt AC 21 ms 796 KB
test_46.txt AC 21 ms 792 KB
test_47.txt AC 22 ms 796 KB
test_48.txt AC 22 ms 792 KB
test_49.txt AC 22 ms 800 KB
test_50.txt AC 23 ms 800 KB
test_51.txt AC 21 ms 920 KB
test_52.txt AC 22 ms 720 KB
test_53.txt AC 21 ms 800 KB
test_54.txt AC 23 ms 796 KB
test_55.txt AC 21 ms 800 KB
test_56.txt AC 23 ms 796 KB
test_57.txt AC 23 ms 796 KB
test_58.txt AC 21 ms 800 KB
test_59.txt AC 21 ms 812 KB
test_60.txt AC 23 ms 788 KB
test_61.txt AC 21 ms 800 KB
test_62.txt AC 21 ms 796 KB
test_63.txt AC 21 ms 796 KB
test_64.txt AC 21 ms 796 KB
test_65.txt AC 22 ms 800 KB
test_66.txt AC 21 ms 916 KB
test_67.txt AC 20 ms 916 KB
test_68.txt AC 20 ms 792 KB
test_69.txt AC 21 ms 800 KB
test_70.txt AC 21 ms 796 KB