Submission #915630

#	Time	Username	Problem	Language	Result	Execution time	Memory
915630		guagua0407	Meetings (JOI19_meetings)	C++17	0 / 100	1669 ms	712 KiB

meetings

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

void Solve(int n) {
    set<int> S[n];
    for(int i=1;i<n;i++){
        for(int j=i+1;j<n;j++){
            int x=Query(0,i,j);
            S[i].insert(x);
        }
    }
    queue<int> q;
    q.push(0);
    vector<bool> used(n);
    used[0]=true;
    while(!q.empty()){
        int x=q.front();
        q.pop();
        for(int i=0;i<n;i++){
            if(used[i]) continue;
            if(S[i].find(x)!=S[i].end()){
                S[i].erase(x);
            }
            if(S[i].empty() or ((int)S[i].size()==1 and *S[i].begin()==i)){
                used[i]=true;
                q.push(i);
                Bridge(min(x,i),max(x,i));
            }
        }
    }
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 71