Submission #939673

#	Time	Username	Problem	Language	Result	Execution time	Memory
939673		Andrey	Library (JOI18_library)	C++14	100 / 100	295 ms	700 KiB

library

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

void Solve(int n) {
    if(n == 1) {
        Answer({1});
        return;
    }
    else if(n == 2) {
        Answer({1,2});
        return;
    }
    vector<int> bruh(n,1);
    vector<int> ans(n);
    vector<int> yeah(n+1,1);
    int p = -1;
    for(int i = 0; i < n; i++) {
        bruh[i] = 0;
        if(Query(bruh) == 1) {
            ans[0] = i+1;
            p = i+1;
            yeah[i+1] = 0;
            break;
        }
        bruh[i] = 1;
    }
    for(int i = 1; i < n; i++) {
        vector<int> wut(0);
        for(int j = 1; j <= n; j++) {
            if(yeah[j]) {
                wut.push_back(j);
            }
        }
        int l = 0,r = wut.size()-1;
        while(l < r) {
            for(int j = 0; j < n; j++) {
                bruh[j] = 0;
            }
            int mid = (l+r)/2;
            for(int j = 0; j <= mid; j++) {
                bruh[wut[j]-1] = 1;
            }
            int c = Query(bruh);
            bruh[p-1] = 1;
            if(Query(bruh) == c) {
                r = mid;
            }
            else {
                l = mid+1;
            }
        }
        p = wut[l];
        yeah[p] = 0;
        ans[i] = p;
    }
    Answer(ans);
}

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