AtCoder Beginner Contest 002

Submission #7559529

Source codeソースコード

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


string to_binary(unsigned v, int max = 12) {
  string s;
  for (int i = 0; i < max; i++) {
    if (v & (1 << i)) {
      s += '1';
      v -= 1 << i;
    } else {
      s += '0';
    }
  }
  reverse(s.begin(), s.end());
  return s;
}


int main() {
  int N, M;
  cin >> N >> M;
  vector<unsigned> rs(N);

  for (int i = 0; i < M; i++) {
    int v1, v2;
    cin >> v1 >> v2;
    rs.at(v1 - 1) |= 1 << v2 - 1;
    rs.at(v2 - 1) |= 1 << v1 - 1;
  }

  for (int i = 0; i < rs.size(); i++) {
    rs.at(i) |= 1 << i;
    //cout << to_binary(rs.at(i)) << endl;
  }
  
  unordered_map<int, int> counter;
  for (int i = 1; i < (1 << N); i++) {
    int c = 0;
    for (int k = 0; k < N; k++) {
      if (i & (1 << k)) {
        c++;
        if (!((i & rs.at(k)) == i)) break;
      }
    }
    counter[i] = c;
  }
  
  int max = 0;
  for (auto it = counter.begin(); it != counter.end(); it++) {
    //cout << to_binary(it->first) << ":" << it->second << endl;
    if (it->second > max) max = it->second;
  }

  cout << max << endl;
}

Submission

Task問題 D - 派閥
User nameユーザ名 slmn
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 1130 Byte
File nameファイル名
Exec time実行時間 2 ms
Memory usageメモリ使用量 512 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 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 2 ms 512 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 1 ms 256 KB
test_10.txt AC 1 ms 256 KB
test_11.txt AC 1 ms 384 KB
test_12.txt AC 2 ms 512 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 1 ms 256 KB
test_17.txt AC 1 ms 256 KB
test_18.txt AC 1 ms 384 KB
test_19.txt AC 2 ms 384 KB
test_20.txt AC 2 ms 512 KB
test_21.txt AC 1 ms 256 KB
test_22.txt AC 2 ms 384 KB
test_23.txt AC 2 ms 384 KB
test_24.txt AC 2 ms 512 KB
test_25.txt AC 1 ms 256 KB
test_26.txt AC 2 ms 512 KB
test_27.txt AC 1 ms 256 KB
test_28.txt AC 1 ms 256 KB
test_29.txt AC 1 ms 256 KB
test_30.txt AC 1 ms 256 KB
test_31.txt AC 2 ms 512 KB
test_32.txt AC 1 ms 384 KB
test_33.txt AC 2 ms 512 KB
test_34.txt AC 1 ms 256 KB
test_35.txt AC 2 ms 512 KB
test_36.txt AC 2 ms 512 KB
test_37.txt AC 2 ms 384 KB
test_38.txt AC 2 ms 512 KB
test_39.txt AC 2 ms 512 KB
test_40.txt AC 2 ms 512 KB
test_41.txt AC 2 ms 512 KB
test_42.txt AC 2 ms 512 KB
test_43.txt AC 2 ms 384 KB
test_44.txt AC 2 ms 384 KB
test_45.txt AC 2 ms 512 KB
test_46.txt AC 2 ms 512 KB
test_47.txt AC 2 ms 384 KB
test_48.txt AC 2 ms 512 KB
test_49.txt AC 2 ms 384 KB
test_50.txt AC 2 ms 512 KB
test_51.txt AC 2 ms 384 KB
test_52.txt AC 2 ms 384 KB
test_53.txt AC 2 ms 384 KB
test_54.txt AC 2 ms 512 KB
test_55.txt AC 2 ms 384 KB
test_56.txt AC 2 ms 512 KB
test_57.txt AC 2 ms 384 KB
test_58.txt AC 2 ms 384 KB
test_59.txt AC 2 ms 384 KB
test_60.txt AC 2 ms 512 KB
test_61.txt AC 2 ms 384 KB
test_62.txt AC 1 ms 256 KB
test_63.txt AC 2 ms 384 KB
test_64.txt AC 2 ms 384 KB
test_65.txt AC 2 ms 384 KB
test_66.txt AC 2 ms 384 KB
test_67.txt AC 2 ms 384 KB
test_68.txt AC 2 ms 512 KB
test_69.txt AC 2 ms 512 KB
test_70.txt AC 2 ms 512 KB