oj.uz

Submission #492524

# Submission time Handle Problem Language Result Execution time Memory
492524 2021-12-07T17:12:28 Z Jarif_Rahman Monster Game (JOI21_monster) C++17
76 / 100
 147 ms 4504 KB 
#include "monster.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

#ifdef LOCAL
#define debug(v) for(auto x: v) cerr << x << " "; cerr << #v << "\n";
#endif

vector<vector<int>> QQ;
bool query(int a, int b){
    if(a > b){
        if(QQ[b][a] == -1) QQ[b][a] = Query(b, a);
        return !QQ[b][a];
    }
    else{
        if(QQ[a][b] == -1) QQ[a][b] = Query(a, b);
        return QQ[a][b];
    }
}

template<typename it>
void merge_sort(it a, it b){
    int n = b-a;
    if(n == 1) return;
    merge_sort(a, a+n/2);
    merge_sort(a+n/2, b);
    int* ab = new int[n];
    merge(a, a+n/2, a+n/2, b, ab, [](int x, int y){
        return query(y, x);
    });
    for(int i = 0; i < n; i++) *(a+i) = *(ab+i);
}

vector<int> Solve(int n){
    QQ = vector<vector<int>>(n, vector<int>(n, -1));

    vector<int> sth(n);
    for(int i = 0; i < n; i++) sth[i] = i;
    merge_sort(sth.begin(), sth.end());

    auto win = [=](int x){
        vector<int> rt;
        for(int i = 0; i < n; i++) if(i != x && query(x, i)) rt.pb(i);
        return rt;
    };

    int n0 = n;
    
    for(int i = 0; i < n0-1; i++){
        if(i == 0){
            auto s0 = win(sth[0]);
            if(s0.size() == 1){
                auto s1 = win(s0[0]);
                if(s1.size() == 1){
                    continue;
                }
            }
        }
        if(i != 0 && query(sth[i-1], sth[i])) continue;
        int a = i+2, b = n0-1;
        while(a < b){
            int md = (a+b)/2;
            if(query(sth[md], sth[i])) b = md;
            else{
                if(md == a) a = md+1;
                else{
                    if(query(sth[md-1], sth[i])) b = md-1;
                    else a = md+1;
                }
            }
        }
        if(i+2 >= n0 || query(sth[i], sth[a])){
            if((i == 0 && win(sth[n0-1]).size() != 1) ||
                (i != 0 && !query(sth[i-1], sth[n0-1])))
                reverse(sth.begin()+i, sth.begin()+n0-1);
            else reverse(sth.begin()+i, sth.begin()+n0);
            i = n0;
        }
        else{
            if((i == 0 && win(sth[a-1]).size() != 1) ||
                (i != 0 && !query(sth[i-1], sth[a-1]))) 
                reverse(sth.begin()+i, sth.begin()+a-1);
            else reverse(sth.begin()+i, sth.begin()+a);
            i = a-1;
        }
    }

    vector<int> ans(n);
    for(int i = 0; i < n; i++) ans[sth[i]] = i;
    return ans;

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 2 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 21 ms 436 KB Output is correct
17 Correct 19 ms 460 KB Output is correct
18 Correct 19 ms 464 KB Output is correct
19 Correct 25 ms 456 KB Output is correct
20 Correct 8 ms 456 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 1 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 18 ms 456 KB Output is correct
27 Correct 1 ms 200 KB Output is correct
28 Correct 0 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 19 ms 468 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 2 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 21 ms 436 KB Output is correct
17 Correct 19 ms 460 KB Output is correct
18 Correct 19 ms 464 KB Output is correct
19 Correct 25 ms 456 KB Output is correct
20 Correct 8 ms 456 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 1 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 18 ms 456 KB Output is correct
27 Correct 1 ms 200 KB Output is correct
28 Correct 0 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 19 ms 468 KB Output is correct
33 Correct 147 ms 4216 KB Output is correct
34 Correct 81 ms 4416 KB Output is correct
35 Correct 111 ms 4228 KB Output is correct
36 Correct 124 ms 4264 KB Output is correct
37 Correct 143 ms 4488 KB Output is correct
38 Correct 114 ms 4284 KB Output is correct
39 Correct 98 ms 4168 KB Output is correct
40 Correct 106 ms 4416 KB Output is correct
41 Correct 107 ms 4256 KB Output is correct
42 Correct 134 ms 4252 KB Output is correct
43 Correct 95 ms 4392 KB Output is correct
44 Correct 105 ms 4288 KB Output is correct

Subtask #3
51.0 / 75.0

# Verdict Execution time Memory Grader output
1 Partially correct 141 ms 4228 KB Partially correct
2 Partially correct 119 ms 4448 KB Partially correct
3 Partially correct 122 ms 4252 KB Partially correct
4 Partially correct 132 ms 4504 KB Partially correct
5 Partially correct 147 ms 4284 KB Partially correct
6 Partially correct 135 ms 4256 KB Partially correct
7 Partially correct 105 ms 4288 KB Partially correct
8 Partially correct 145 ms 4296 KB Partially correct
9 Partially correct 53 ms 4264 KB Partially correct
10 Partially correct 115 ms 4500 KB Partially correct
11 Partially correct 108 ms 4284 KB Partially correct
12 Partially correct 137 ms 4244 KB Partially correct
13 Partially correct 100 ms 4260 KB Partially correct
14 Partially correct 98 ms 4292 KB Partially correct
15 Partially correct 110 ms 4368 KB Partially correct
16 Partially correct 102 ms 4288 KB Partially correct
17 Partially correct 114 ms 4252 KB Partially correct
18 Partially correct 111 ms 4288 KB Partially correct