oj.uz

답안 #967853

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
967853 2024-04-23T02:42:10 Z steveonalex Meetings (JOI19_meetings) C++17
29 / 100
 1678 ms 15764 KB 
#include <bits/stdc++.h>
#include "meetings.h"
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define ALL(v) (v).begin(), (v).end()
#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
 
// mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng(1);
ll rngesus(ll l, ll r){return ((ull) rng()) % (r - l + 1) + l;}
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
 
ll LASTBIT(ll mask){return mask & (-mask);}
ll pop_cnt(ll mask){return __builtin_popcountll(mask);}
ll ctz(ll mask){return __builtin_ctzll(mask);}
ll clz(ll mask){return __builtin_clzll(mask);}
ll logOf(ll mask){return 63 - clz(mask);}
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b){a = b; return true;}
        return false;
    }
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b){a = b; return true;}
        return false;
    }
template <class T>
    void printArr(T& a, string separator = " ", string finish = "\n", ostream& out = cout){
        for(auto i: a) out << i << separator;
        out << finish;
    }
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

const int N = 2007;
int n;
int lca[N][N];
int parent[N];
int h[N];

// int Query(int u, int v, int w){
//     cout << "? " << u << " " << v << " " << w << endl;
//     int verdict; cin >> verdict;
//     return verdict;
// }

// void Bridge(int u, int v){
//     cout << u << " " << v << "\n";
// }

void Solve(int _n){
    n = _n;
    memset(parent, -1, sizeof parent);

    for(int i = 1; i<n; ++i) for(int j = i+1; j<n; ++j){
        lca[i][j] = lca[j][i] = Query(0, i, j);
    }

    for(int i = 1; i<n; ++i){
        h[i]++;
        for(int j = 1; j < n; ++j) if (i != j){
            h[i] += (lca[i][j] == j);
        }
    }

    for(int i = 1; i<n; ++i){
        pair<int, int> ma = {0, 0};
        for(int j = 1; j < n; ++j) if (i != j){
            if (h[j] < h[i] && lca[i][j] == j) maximize(ma, make_pair(h[j], j));
        }
        parent[i] = ma.second;
    }

    for(int i = 1; i<n; ++i) if (parent[i] != -1) {
        int u = parent[i], v = i;
        if (u > v) swap(u, v);
        Bridge(u, v);
    }
}

// int main(void){
//     ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

//     Solve(6);

//     return 0;
// }

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2648 KB Output is correct
18 Correct 1 ms 2648 KB Output is correct
19 Correct 1 ms 2648 KB Output is correct
20 Correct 1 ms 2648 KB Output is correct
21 Correct 2 ms 2648 KB Output is correct
22 Correct 2 ms 2648 KB Output is correct
23 Correct 2 ms 2648 KB Output is correct
24 Correct 1 ms 2648 KB Output is correct
25 Correct 1 ms 2648 KB Output is correct
26 Correct 1 ms 2648 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2648 KB Output is correct
18 Correct 1 ms 2648 KB Output is correct
19 Correct 1 ms 2648 KB Output is correct
20 Correct 1 ms 2648 KB Output is correct
21 Correct 2 ms 2648 KB Output is correct
22 Correct 2 ms 2648 KB Output is correct
23 Correct 2 ms 2648 KB Output is correct
24 Correct 1 ms 2648 KB Output is correct
25 Correct 1 ms 2648 KB Output is correct
26 Correct 1 ms 2648 KB Output is correct
27 Correct 93 ms 4736 KB Output is correct
28 Correct 92 ms 4720 KB Output is correct
29 Correct 88 ms 4712 KB Output is correct
30 Correct 93 ms 4716 KB Output is correct
31 Correct 90 ms 4720 KB Output is correct
32 Correct 77 ms 4696 KB Output is correct
33 Correct 78 ms 4696 KB Output is correct
34 Correct 78 ms 4732 KB Output is correct
35 Correct 77 ms 4736 KB Output is correct
36 Correct 95 ms 4712 KB Output is correct
37 Correct 141 ms 4728 KB Output is correct
38 Correct 149 ms 4744 KB Output is correct
39 Correct 139 ms 4732 KB Output is correct

Subtask #4
0 / 71.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1678 ms 15764 KB Wrong Answer [2]
2 Halted 0 ms 0 KB -