Submission #829348

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
829348	2023-08-18 09:41:28	Darren0724	Political Development (BOI17_politicaldevelopment)	C++17	100 / 100	1018 ms	28924 KiB

politicaldevelopment

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#include<bits/stdc++.h>
using namespace std;
const int N=50005;
vector<int> adj[N],adj1[N];
vector<int> deg(N);
set<pair<int,int>> s;
vector<int> active(N,1);
int calc(int p){
    int sz=adj[p].size();
    //cout<<sz<<endl;
    int g[sz]{};
    for(int i=0;i<sz;i++){
        for(int j=0;j<sz;j++){
            if(i==j||s.find({adj[p][i],adj[p][j]})!=s.end()){
                g[i]|=1<<j;
            }
        }
    }
    int ans=0;
    for(int i=1;i<1<<sz;i++){
        int p=i;
        int cnt=0;
        for(int j=0;j<sz;j++){
            if(i&(1<<j)){
                p&=g[j];
                cnt++;
            }
        }
        if(p==i){
            ans=max(ans,cnt);
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 12 / 12
• Subtask 3: 23 / 23
• Subtask 4: 38 / 38
• Subtask 5: 23 / 23