oj.uz

Submission #95339

# Submission time Handle Problem Language Result Execution time Memory
95339 2019-01-30T10:42:54 Z dalgerok Library (JOI18_library) C++14
100 / 100
 436 ms 412 KB 
#include "library.h"
#include<bits/stdc++.h>
using namespace std;



int ask(vector < int > &V){
    return Query(V);
}

int n;

int Find(int n){
    if(n == 1){
        return 0;
    }
    vector < int > a(n);
    for(int i = 0; i < n; i++){
        a[i] = 1;
    }
    for(int i = 0; i < n; i++){
        a[i] = 0;
        if(ask(a) == 1){
            return i;
        }
        a[i] = 1;
    }
    return 0;
}

vector < int > a, b;
vector < bool > used;

int Find_next(int l, int r, vector < int > &vec){
    if(l == r){
        return vec[l];
    }
    int mid = (r + l) >> 1;
    for(int i = l; i <= mid; i++){
        a[vec[i]] = b[vec[i]] = true;
    }
    int x = ask(a), y = ask(b);
    for(int i = l; i <= mid; i++){
        a[vec[i]] = b[vec[i]] = false;
    }
    if(x == y){
        return Find_next(l, mid, vec);
    }
    else{
        return Find_next(mid + 1, r, vec);
    }
}
void Solve(int N){
    n = N;
    a.resize(n, 0);
    b.resize(n, 0);
    used.resize(n, false);
    vector < int > ans(n);
    int pos = Find(n);
    a[pos] = 1;
    ans[0] = pos + 1;
    used[pos] = true;
    for(int i = 1; i < n; i++){
        vector < int > vec;
        for(int j = 0; j < n; j++){
            if(!used[j]){
                vec.push_back(j);
            }
        }
        int nxt = Find_next(0, (int)vec.size() - 1, vec);
        ans[i] = nxt + 1;
        used[nxt] = true;
        a[nxt] = 1;
    }
    Answer(ans);
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 248 KB # of queries: 2387
2 Correct 35 ms 376 KB # of queries: 2433
3 Correct 34 ms 376 KB # of queries: 2638
4 Correct 35 ms 248 KB # of queries: 2593
5 Correct 28 ms 376 KB # of queries: 2504
6 Correct 37 ms 248 KB # of queries: 2553
7 Correct 42 ms 292 KB # of queries: 2568
8 Correct 40 ms 376 KB # of queries: 2402
9 Correct 37 ms 248 KB # of queries: 2512
10 Correct 20 ms 376 KB # of queries: 1478
11 Correct 2 ms 248 KB # of queries: 0
12 Correct 2 ms 248 KB # of queries: 1
13 Correct 2 ms 248 KB # of queries: 4
14 Correct 2 ms 376 KB # of queries: 7
15 Correct 2 ms 248 KB # of queries: 73
16 Correct 4 ms 248 KB # of queries: 187

Subtask #2
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 248 KB # of queries: 2387
2 Correct 35 ms 376 KB # of queries: 2433
3 Correct 34 ms 376 KB # of queries: 2638
4 Correct 35 ms 248 KB # of queries: 2593
5 Correct 28 ms 376 KB # of queries: 2504
6 Correct 37 ms 248 KB # of queries: 2553
7 Correct 42 ms 292 KB # of queries: 2568
8 Correct 40 ms 376 KB # of queries: 2402
9 Correct 37 ms 248 KB # of queries: 2512
10 Correct 20 ms 376 KB # of queries: 1478
11 Correct 2 ms 248 KB # of queries: 0
12 Correct 2 ms 248 KB # of queries: 1
13 Correct 2 ms 248 KB # of queries: 4
14 Correct 2 ms 376 KB # of queries: 7
15 Correct 2 ms 248 KB # of queries: 73
16 Correct 4 ms 248 KB # of queries: 187
17 Correct 410 ms 248 KB # of queries: 18008
18 Correct 376 ms 276 KB # of queries: 17231
19 Correct 436 ms 332 KB # of queries: 17451
20 Correct 369 ms 376 KB # of queries: 16277
21 Correct 314 ms 248 KB # of queries: 15362
22 Correct 420 ms 376 KB # of queries: 17617
23 Correct 368 ms 328 KB # of queries: 17170
24 Correct 144 ms 376 KB # of queries: 7885
25 Correct 397 ms 376 KB # of queries: 17118
26 Correct 356 ms 412 KB # of queries: 15989
27 Correct 126 ms 376 KB # of queries: 7994
28 Correct 432 ms 376 KB # of queries: 17935
29 Correct 429 ms 332 KB # of queries: 17915
30 Correct 431 ms 248 KB # of queries: 17935