Submission #267045

#	Time	Username	Problem	Language	Result	Execution time	Memory
267045		Toirov_Sadi	Library (JOI18_library)	C++17	100 / 100	389 ms	504 KiB

library

#include<bits/stdc++.h>
#include "library.h"

using namespace std;

void Solve(int n){
    if(n == 1){
        Answer(vector<int> (1, 1));
        return;
    }
    vector<int> res;
    vector<int> q(n, 1);
    vector<int> t(n);
    iota(t.begin(), t.end(), 1);
    for(int i = 1; i <= n; i ++){
        q[i - 1] = 0;
        if(Query(q) == 1){
            res.push_back(i);
            t.erase(t.begin() + i - 1);
            q[i - 1] = 1;
            break;
        }
        q[i - 1] = 1;
    }

    q = vector<int>(n, 0);
    while((int)res.size() < n){
        int l = 0, r = (int)t.size() - 1;
        while(l < r){
            int m = (l + r) / 2;
            for(int i = l; i <= m; i ++) q[t[i] - 1] = 1;
            int res1 = Query(q);
            q[res.back() - 1] = 1;
            int res2 = Query(q);
            q[res.back() - 1] = 0;
            for(int i = l; i <= m; i ++) q[t[i] - 1] = 0;
            if(res1 == res2) r = m;
            else l = m + 1;
        }
        res.push_back(t[l]);
        t.erase(t.begin() + l);
    }
    Answer(res);
}

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