AtCoder Beginner Contest 002

Submission #7141465

Source codeソースコード

#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int(i)=0;i<(n);i++)
int a=0, n, m, x[66], y[66], t[13];

void dfs(int i, int g){
  t[i]=g;
  //cout << "i:" << i << " g:" << g << " t:";
  //REP(l,13) cout << t[l] << " ";
  //cout << endl;
  bool chk=1; //一人の場合は必ず成功させる必要あり
  for(int j=1;j<=i-1;j++){
    for(int k=j+1;k<=i;k++){
      chk=0;
      int ming=min(t[j],t[k]), maxg=max(t[j],t[k]);
      REP(l,m) if(x[l]==ming && y[l]==maxg) chk=1;
      if(!chk) break;
    }
    if(!chk) break;
  }
  if(chk){ //成功パターン。gをtに入れることができた。追加は自分以降の番号のみ調べればよし
    //cout << "OK" << endl;
    a=max(a,i);
    REP(l,m) if(x[l]==g){
      //cout << "glx[l]y[l]: " << g << " " << l << " " << x[l] << " " <<y[l] << endl;
      dfs(i+1,y[l]);
      t[i+1]=0;
    }
    //cout << "here";
    return;
  }else{ //失敗パターン。gはtに入れられない。
    //cout << "omg" << endl;
    t[i]=0;
    return;
  }
}


int main(){
  cin >> n >> m;
  REP(i,m) cin >> x[i] >> y[i];
  REP(i,n){
    REP(j,13) t[j]=0;
    dfs(1,i+1);
  }
  cout << a << endl;  
}

Submission

Task問題 D - 派閥
User nameユーザ名 takesuke
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 1217 Byte
File nameファイル名
Exec time実行時間 5 ms
Memory usageメモリ使用量 256 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 1 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 1 ms 256 KB
test_10.txt AC 1 ms 256 KB
test_11.txt AC 1 ms 256 KB
test_12.txt AC 2 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 1 ms 256 KB
test_17.txt AC 2 ms 256 KB
test_18.txt AC 1 ms 256 KB
test_19.txt AC 2 ms 256 KB
test_20.txt AC 4 ms 256 KB
test_21.txt AC 1 ms 256 KB
test_22.txt AC 3 ms 256 KB
test_23.txt AC 2 ms 256 KB
test_24.txt AC 5 ms 256 KB
test_25.txt AC 1 ms 256 KB
test_26.txt AC 1 ms 256 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 1 ms 256 KB
test_32.txt AC 1 ms 256 KB
test_33.txt AC 2 ms 256 KB
test_34.txt AC 2 ms 256 KB
test_35.txt AC 3 ms 256 KB
test_36.txt AC 5 ms 256 KB
test_37.txt AC 1 ms 256 KB
test_38.txt AC 4 ms 256 KB
test_39.txt AC 2 ms 256 KB
test_40.txt AC 1 ms 256 KB
test_41.txt AC 4 ms 256 KB
test_42.txt AC 5 ms 256 KB
test_43.txt AC 1 ms 256 KB
test_44.txt AC 1 ms 256 KB
test_45.txt AC 2 ms 256 KB
test_46.txt AC 2 ms 256 KB
test_47.txt AC 3 ms 256 KB
test_48.txt AC 5 ms 256 KB
test_49.txt AC 1 ms 256 KB
test_50.txt AC 1 ms 256 KB
test_51.txt AC 1 ms 256 KB
test_52.txt AC 1 ms 256 KB
test_53.txt AC 1 ms 256 KB
test_54.txt AC 1 ms 256 KB
test_55.txt AC 1 ms 256 KB
test_56.txt AC 1 ms 256 KB
test_57.txt AC 2 ms 256 KB
test_58.txt AC 2 ms 256 KB
test_59.txt AC 3 ms 256 KB
test_60.txt AC 5 ms 256 KB
test_61.txt AC 5 ms 256 KB
test_62.txt AC 1 ms 256 KB
test_63.txt AC 1 ms 256 KB
test_64.txt AC 1 ms 256 KB
test_65.txt AC 1 ms 256 KB
test_66.txt AC 1 ms 256 KB
test_67.txt AC 1 ms 256 KB
test_68.txt AC 1 ms 256 KB
test_69.txt AC 1 ms 256 KB
test_70.txt AC 1 ms 256 KB