Submission #1302512

#	Time	Username	Problem	Language	Result	Execution time	Memory
1302512		nathlol2	Library (JOI18_library)	C++20	0 / 100	95 ms	416 KiB

library

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

void Solve(int N){
	vector<int> ask(N);
    vector<vector<int>> g(N);
    for(int i = 0;i<N;i++){
        for(int j = i + 1;j<N;j++){
            ask[i] = ask[j] = 1;
            int c = Query(ask);
            if(c == 1){
                g[i].push_back(j);
                g[j].push_back(i);
            }
            ask[i] = ask[j] = 0;
        }
    }
    vector<int> ans;
    for(int i = 0;i<N;i++){
        if(g[i].size() == 1){
            ans.push_back(i + 1);
            int pv = i, c = g[i][0], cc = 1;
            while(cc != N){
                ans.push_back(c + 1);
                ++cc;
                for(auto x : g[c]){
                    if(x != pv){
                        pv = c;
                        c = x;
                        break;
                    }
                }
            }
            Answer(ans);
            return;
        }
    }
}

• Subtask 1: 0 / 19
• Subtask 2: 0 / 81