oj.uz

Submission #521780

# Submission time Handle Problem Language Result Execution time Memory
521780 2022-02-03T06:09:14 Z qwerasdfzxcl Park (JOI17_park) C++14
10 / 100
 249 ms 532 KB 
#include "park.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

static int Place[1400];
int a[2020];

int ask(int x, int y){return Ask(min(x, y), max(x, y), Place);}
void answer(int x, int y){Answer(min(x, y), max(x, y));}

void _sort(int n){
    vector<int> ans = {0};

    for (int i=1;i<n;i++){
        fill(Place, Place+1400, 1);

        int l = 1, r = (int)ans.size()-1, idx = 0;
        while(l<=r){
            int m = (l+r)>>1;
            for (int j=m;j<(int)ans.size();j++) Place[ans[j]] = 0;

            if (ask(0, i)) r = m-1;
            else l = m+1, idx = m;

            for (int j=m;j<(int)ans.size();j++) Place[ans[j]] = 1;
        }
        ans.insert(ans.begin()+idx+1, i);
    }
    for (int i=0;i<n;i++) a[i] = ans[i];
}

vector<pair<int, int>> D;
int cnt = 1;

void Find(int x){
    fill(Place, Place+1400, 1);

    int l = 1, r = cnt-1, idx = 0;
    while(l<=r){
        int m = (l+r)>>1;
        for (int i=m;i<cnt;i++) Place[D[i].first] = 0;
        if (!ask(0, x)) idx = m, l = m+1;
        else r = m-1;
    }
    answer(D[idx].first, x);

    int pt = 0;
    for (;pt<cnt;pt++) if (D[pt].second > D[idx].second+1) break;
    D.insert(D.begin()+pt, make_pair(x, D[idx].second+1));
    cnt++;
}

void Detect(int T, int N) {
    for (int i=1;i<N;i++) a[i] = i;
    _sort(N);

    //printf("A = ");
    //for (int i=0;i<N;i++) printf("%d ", a[i]);
    //printf("\n");

    D.emplace_back(0, 0);
    for (int i=1;i<N;i++){
        Find(a[i]);
    }
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Wrong Answer[2]
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 249 ms 480 KB Output is correct
2 Correct 104 ms 456 KB Output is correct
3 Correct 108 ms 444 KB Output is correct
4 Correct 238 ms 460 KB Output is correct
5 Correct 238 ms 432 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 140 ms 400 KB Wrong Answer[2]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 67 ms 332 KB Wrong Answer[2]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 174 ms 532 KB Wrong Answer[2]
2 Halted 0 ms 0 KB -