Submission #4651816
Source Code Expand
#include <bits/stdc++.h> using namespace std; int main (){ int N,M,ans=1; cin >> N >> M; vector<vector<bool>> v(N,vector<bool>(N,false));//知り合いかどうか for(int i=0;i<M;i++){ int x,y; cin >> x >> y; v.at(x-1).at(y-1) = true; }//知り合い関係を入力(こっちだけで十分、参照しないので) for(int j=0;j<pow(2,N);j++){//下からi桁目が1だったら議員iは派閥に入る(bit探索) int y=j; vector<int> u(0);//誰が派閥か int x=1; bool OK = true;//ここらへんは各場合ごとに初期化しておくもの while(y>=1){ if(y%2 == 1){ u.push_back(x); } y /= 2; x++; }//uに入っている整数は派閥に入っている議員 if(u.size()==0){ans = max(ans,0);continue;}//誰も入れないのは考えない if(u.size()==1){ans = max(1,ans);continue;}//一人だったらそのまま一人 for(int i=0;i<u.size();i++){ for(int j=i+1;j<u.size();j++){ if(v.at(u.at(i)-1).at(u.at(j)-1) == false){//if知り合いでないOUT OK = false; break; } } if(OK == false){break;} }//派閥のそれぞれの議員に対して知り合いか調べる、 if(OK == false){continue;} else{ int z; z=u.size(); ans = max(ans,z); } } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - 派閥 |
User | Hyado |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1675 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 256 KB |
Judge Result
Set Name | all | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
all | 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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
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 | 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 | 2 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 | 1 ms | 256 KB |
test_18.txt | AC | 2 ms | 256 KB |
test_19.txt | AC | 2 ms | 256 KB |
test_20.txt | AC | 2 ms | 256 KB |
test_21.txt | AC | 1 ms | 256 KB |
test_22.txt | AC | 2 ms | 256 KB |
test_23.txt | AC | 2 ms | 256 KB |
test_24.txt | AC | 3 ms | 256 KB |
test_25.txt | AC | 1 ms | 256 KB |
test_26.txt | AC | 2 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 | 2 ms | 256 KB |
test_32.txt | AC | 2 ms | 256 KB |
test_33.txt | AC | 2 ms | 256 KB |
test_34.txt | AC | 1 ms | 256 KB |
test_35.txt | AC | 2 ms | 256 KB |
test_36.txt | AC | 2 ms | 256 KB |
test_37.txt | AC | 2 ms | 256 KB |
test_38.txt | AC | 2 ms | 256 KB |
test_39.txt | AC | 2 ms | 256 KB |
test_40.txt | AC | 2 ms | 256 KB |
test_41.txt | AC | 2 ms | 256 KB |
test_42.txt | AC | 3 ms | 256 KB |
test_43.txt | AC | 2 ms | 256 KB |
test_44.txt | AC | 2 ms | 256 KB |
test_45.txt | AC | 2 ms | 256 KB |
test_46.txt | AC | 2 ms | 256 KB |
test_47.txt | AC | 2 ms | 256 KB |
test_48.txt | AC | 2 ms | 256 KB |
test_49.txt | AC | 2 ms | 256 KB |
test_50.txt | AC | 2 ms | 256 KB |
test_51.txt | AC | 2 ms | 256 KB |
test_52.txt | AC | 2 ms | 256 KB |
test_53.txt | AC | 2 ms | 256 KB |
test_54.txt | AC | 2 ms | 256 KB |
test_55.txt | AC | 2 ms | 256 KB |
test_56.txt | AC | 2 ms | 256 KB |
test_57.txt | AC | 2 ms | 256 KB |
test_58.txt | AC | 2 ms | 256 KB |
test_59.txt | AC | 2 ms | 256 KB |
test_60.txt | AC | 2 ms | 256 KB |
test_61.txt | AC | 2 ms | 256 KB |
test_62.txt | AC | 1 ms | 256 KB |
test_63.txt | AC | 2 ms | 256 KB |
test_64.txt | AC | 2 ms | 256 KB |
test_65.txt | AC | 2 ms | 256 KB |
test_66.txt | AC | 2 ms | 256 KB |
test_67.txt | AC | 2 ms | 256 KB |
test_68.txt | AC | 2 ms | 256 KB |
test_69.txt | AC | 2 ms | 256 KB |
test_70.txt | AC | 2 ms | 256 KB |