oj.uz

Submission #521619

# Submission time Handle Problem Language Result Execution time Memory
521619 2022-02-02T14:59:33 Z qwerasdfzxcl Park (JOI17_park) C++14
67 / 100
 424 ms 668 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<int> D[2020];
int mxdep = 0;

int getdep(int x){
    fill(Place, Place+1400, 0);
    Place[x] = 1;

    int l = 0, r = mxdep, ret = mxdep;
    while(l<=r){
        int m = (l+r)>>1;
        for (int i=0;i<=m;i++) {
            for (auto &x:D[i]) Place[x] = 1;
        }

        if (ask(0, x)) ret = m, r = m-1;
        else l = m+1;

        for (int i=0;i<=m;i++) {
            for (auto &x:D[i]) Place[x] = 0;
        }
    }
    if (ret==mxdep) mxdep++;
    D[ret+1].push_back(x);
    return ret+1;
}

void Find(int x, int dep){
    fill(Place, Place+1400, 0);
    Place[x] = 1;
    --dep;

    for (int i=0;i<=dep-1;i++){
        for (auto &x:D[i]) Place[x] = 1;
    }

    int pos = 0;
    for (int z=1;z<(int)D[dep].size();z<<=1){
        for (int i=0;i<(int)D[dep].size();i++) if (i&z) Place[D[dep][i]] = 1;

        if (ask(0, x)) pos |= z;

        for (int i=0;i<(int)D[dep].size();i++) if (i&z) Place[D[dep][i]] = 0;
    }
    answer(D[dep][pos], x);
}

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[0].push_back(0);
    for (int i=1;i<N;i++){
        int dep = getdep(a[i]);
        //printf("dep = %d, mxdep = %d\n", dep, mxdep);
        Find(a[i], dep);
    }
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Wrong Answer[6]
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 423 ms 584 KB Output is correct
2 Correct 221 ms 492 KB Output is correct
3 Correct 235 ms 476 KB Output is correct
4 Correct 424 ms 492 KB Output is correct
5 Correct 404 ms 492 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 216 ms 548 KB Output is correct
2 Correct 222 ms 452 KB Output is correct
3 Correct 240 ms 352 KB Output is correct
4 Correct 212 ms 568 KB Output is correct
5 Correct 247 ms 448 KB Output is correct
6 Correct 221 ms 444 KB Output is correct
7 Correct 225 ms 452 KB Output is correct
8 Correct 230 ms 456 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 105 ms 424 KB Output is correct
2 Correct 254 ms 452 KB Output is correct
3 Correct 246 ms 472 KB Output is correct
4 Correct 269 ms 580 KB Output is correct
5 Correct 287 ms 468 KB Output is correct
6 Correct 338 ms 500 KB Output is correct
7 Correct 296 ms 464 KB Output is correct
8 Correct 263 ms 460 KB Output is correct
9 Correct 262 ms 452 KB Output is correct
10 Correct 303 ms 588 KB Output is correct
11 Correct 338 ms 484 KB Output is correct
12 Correct 281 ms 460 KB Output is correct
13 Correct 316 ms 460 KB Output is correct
14 Correct 344 ms 476 KB Output is correct
15 Correct 306 ms 576 KB Output is correct
16 Correct 221 ms 452 KB Output is correct
17 Correct 411 ms 668 KB Output is correct
18 Correct 345 ms 460 KB Output is correct
19 Correct 347 ms 484 KB Output is correct
20 Correct 269 ms 460 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 182 ms 448 KB Wrong Answer[2]
2 Halted 0 ms 0 KB -