제출 #924545

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
924545		Sir_Ahmed_Imran	Political Development (BOI17_politicaldevelopment)	C++17	0 / 100	1516 ms	524288 KiB

politicaldevelopment

                              ///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define append push_back
#define add insert
#define nl "\n"
#define ff first
#define ss second
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define L0TA ios_base::sync_with_stdio(false);cin.tie(NULL)
#define N 50000
vector<int> a[N];
map<int,int> x[N];
void solve(){
    int n,m,o,p,q;
    cin>>n>>m;
    for(int i=o=0;i<n;i++){
        cin>>p;
        if(p>0) o=1;
        while(p--){
            cin>>q;
            x[i][q]=1;
            a[i].append(q);
        }
    }
    for(int i=0;i<n;i++){
        for(auto& j:a[i]){
            for(auto& k:a[j]){
                if(x[i][k]){
                    cout<<3;
                    return;
                }
            }
        }
    }
    if(o) cout<<2;
    else cout<<1;
}
int main(){
    L0TA;
    solve();
    return 0;
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 12
• Subtask 3: 0 / 23
• Subtask 4: 0 / 38
• Subtask 5: 0 / 23