AtCoder Beginner Contest 002

Submission #3730166

Source codeソースコード

#include "bits/stdc++.h"
using namespace std;
//#include <stdio.h>
//#include <assert.h>

#define MIN(x, y) ((x) < (y) ? (x) : (y))
#define MAX(x, y) ((x) > (y) ? (x) : (y))

#define DIVUP(x, y) (((x) + ((y) - 1)) / (y))
#define DIVOFF(x, y) (((x) + ((y) / 2)) / (y))
#define REMAINDER(x, y) ((x) % (y))

#define N_MAX 12
#define M_MAX (N_MAX*(N_MAX-1)/2)


int main() {
  int N, M, x, y;
  map<int, set<int>> xy;
  scanf("%d%d", &N, &M);
  for (int i{0}; i < M; ++i) {
    scanf("%d%d", &x, &y);
    xy[x].insert({x, y});
    xy[y].insert({x, y});
  }

  int max_num{1};
  for (int i{0}; i < (1 << N); ++i) {
    set<int> party;
    for (int j{1}; j <= N; ++j) {
      if (i & (1 << (j - 1))) {
        party.insert(j);
      }
    }
    for (int x : party) {
      for (int y : party) {
        if (xy[x].find(y) == xy[x].end()) {
          goto CONTINUE;
        }
      }
    }
    {
      int num = party.size();
      if (max_num < num) max_num = num;
    }
    CONTINUE:
    ;
  }

  printf("%d\n", max_num);
  return 0;
}

Submission

Task問題 D - 派閥
User nameユーザ名 tatsu
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 1082 Byte
File nameファイル名
Exec time実行時間 8 ms
Memory usageメモリ使用量 256 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &N, &M);
^
./Main.cpp:22:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &x, &y);
^

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 1 ms 256 KB
00_sample_02.txt AC 1 ms 256 KB
00_sample_03.txt AC 1 ms 256 KB
00_sample_04.txt AC 3 ms 256 KB
test_01.txt AC 1 ms 256 KB
test_02.txt AC 1 ms 256 KB
test_03.txt AC 1 ms 256 KB
test_04.txt AC 1 ms 256 KB
test_05.txt AC 1 ms 256 KB
test_06.txt AC 1 ms 256 KB
test_07.txt AC 1 ms 256 KB
test_08.txt AC 1 ms 256 KB
test_09.txt AC 2 ms 256 KB
test_10.txt AC 2 ms 256 KB
test_11.txt AC 2 ms 256 KB
test_12.txt AC 4 ms 256 KB
test_13.txt AC 1 ms 256 KB
test_14.txt AC 1 ms 256 KB
test_15.txt AC 1 ms 256 KB
test_16.txt AC 2 ms 256 KB
test_17.txt AC 3 ms 256 KB
test_18.txt AC 2 ms 256 KB
test_19.txt AC 4 ms 256 KB
test_20.txt AC 7 ms 256 KB
test_21.txt AC 2 ms 256 KB
test_22.txt AC 4 ms 256 KB
test_23.txt AC 4 ms 256 KB
test_24.txt AC 8 ms 256 KB
test_25.txt AC 1 ms 256 KB
test_26.txt AC 3 ms 256 KB
test_27.txt AC 2 ms 256 KB
test_28.txt AC 1 ms 256 KB
test_29.txt AC 1 ms 256 KB
test_30.txt AC 2 ms 256 KB
test_31.txt AC 4 ms 256 KB
test_32.txt AC 2 ms 256 KB
test_33.txt AC 5 ms 256 KB
test_34.txt AC 2 ms 256 KB
test_35.txt AC 6 ms 256 KB
test_36.txt AC 8 ms 256 KB
test_37.txt AC 3 ms 256 KB
test_38.txt AC 7 ms 256 KB
test_39.txt AC 4 ms 256 KB
test_40.txt AC 3 ms 256 KB
test_41.txt AC 6 ms 256 KB
test_42.txt AC 8 ms 256 KB
test_43.txt AC 3 ms 256 KB
test_44.txt AC 4 ms 256 KB
test_45.txt AC 4 ms 256 KB
test_46.txt AC 5 ms 256 KB
test_47.txt AC 5 ms 256 KB
test_48.txt AC 8 ms 256 KB
test_49.txt AC 3 ms 256 KB
test_50.txt AC 3 ms 256 KB
test_51.txt AC 3 ms 256 KB
test_52.txt AC 3 ms 256 KB
test_53.txt AC 3 ms 256 KB
test_54.txt AC 3 ms 256 KB
test_55.txt AC 4 ms 256 KB
test_56.txt AC 3 ms 256 KB
test_57.txt AC 4 ms 256 KB
test_58.txt AC 5 ms 256 KB
test_59.txt AC 6 ms 256 KB
test_60.txt AC 8 ms 256 KB
test_61.txt AC 8 ms 256 KB
test_62.txt AC 1 ms 256 KB
test_63.txt AC 3 ms 256 KB
test_64.txt AC 3 ms 256 KB
test_65.txt AC 3 ms 256 KB
test_66.txt AC 3 ms 256 KB
test_67.txt AC 3 ms 256 KB
test_68.txt AC 3 ms 256 KB
test_69.txt AC 3 ms 256 KB
test_70.txt AC 3 ms 256 KB