Submission #139845

#	Time	Username	Problem	Language	Result	Execution time	Memory
139845		zoooma13	Library (JOI18_library)	C++14	100 / 100	570 ms	408 KiB

library

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

void Solve(int N)
{
    if(N == 1){
        Answer({1});
        return;
    }

    vector <int> still(N);
    iota(still.begin() ,still.end() ,0);

    int chnd;
    for(int i=0; i<N; i++){
        vector <int> M(N ,1);
        M[i] = 0;
        if(Query(M) == 1)
            chnd = i;
    }
    still.erase(find(still.begin() ,still.end() ,chnd));

    vector <int> res{chnd+1};
    for(int i=1; i<N; i++){
        int st = 0 ,en = still.size()-1 ,mid;
        while(st <= en){
            mid = (st+en)>>1;
            vector <int> M(N ,0);
            for(int i=0; i<=mid; i++)
                M[still[i]] = 1;
            int c = Query(M);
            M[chnd] = 1;
            if(c == Query(M))
                en = mid-1;
            else
                st = mid+1;
        }
        chnd = still[st];
        res.push_back(chnd+1);
        still.erase(still.begin()+st);
    }

	Answer(res);
}

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