oj.uz

답안 #520818

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
520818 2022-01-31T05:12:58 Z tengiz05 Amusement Park (JOI17_amusement_park) C++17
100 / 100
 38 ms 6892 KB 
#include "Joi.h"
#include <bits/stdc++.h>

using i64 = long long;
using namespace std;

namespace joi {
    const int MAX_BIT = 60;
    int n;
    vector<vector<int>> e, adj;
    vector<bool> vis;
    void dfs(int u) {
        vis[u] = true;
        for (int v : adj[u]) {
            if (!vis[v]) {
                e[u].push_back(v);
                e[v].push_back(u);
                dfs(v);
            }
        }
    }
    int cnt = 0;
    set<int> s;
    vector<set<int>> f;
    vector<int> val(n);
    void find(int u, int p) {
        val[u] = cnt++;
        if (cnt == MAX_BIT) {
            return;
        }
        for (int v : e[u]) {
            if (v != p) {
                f[u].insert(v);
                f[v].insert(u);
                find(v, u);
                if (cnt == MAX_BIT)
                    return;
            }
        }
    }
    void mark(int u, int p) {
        bool in = false, op1 = false, op2 = false;
        int x = -1, to = -1;
        if (val[u] == -1) {
            in = true;
            auto t = s.begin();
            if (*t == p) t++;
            x = *t;
            to = *f[x].begin();
            s.erase(x);
            f[x].erase(to);
            f[to].erase(x);
            if (f[to].size() == 1) {
                op1 = true;
                s.insert(to);
            }
            if (f[p].size() == 1) {
                op2 = true;
                s.erase(p);
            }
            f[p].insert(u);
            f[u].insert(p);
            s.insert(u);
            val[u] = val[x];
        }
        for (int v : e[u]) {
            if (v != p) {
                mark(v, u);
            }
        }
        if (in) {
            s.erase(u);
            f[p].erase(u);
            f[u].erase(p);
            if (op2) {
                s.insert(p);
            }
            if (op1) {
                s.erase(to);
            }
            f[x].insert(to);
            f[to].insert(x);
            s.insert(x);
        }
    }
};
using namespace joi;

void Joi(int N, int M, int A[], int B[], long long X, int T) {
    n = N;
    adj.resize(n);
    e.resize(n);
    for (int i = 0; i < M; i++) {
        adj[A[i]].push_back(B[i]);
        adj[B[i]].push_back(A[i]);
    }
    vis.assign(n, 0);
    dfs(0);
    
    f.resize(n);
    val.resize(n, -1);
    find(0, -1);
    
    for (int i = 0; i < n; i++) {
        if (f[i].size() == 1) {
            s.insert(i);
        }
    }
    
    mark(0, -1);
    
    for (int i = 0; i < n; i++) {
        assert(val[i] != -1);
        MessageBoard(i, X >> val[i] & 1);
    }
}

#include "Ioi.h"
#include <bits/stdc++.h>

using i64 = long long;
using namespace std;

namespace ioi {
    const int MAX_BIT = 60;
    int n;
    vector<vector<int>> e, adj;
    vector<bool> vis;
    void dfs(int u) {
        vis[u] = true;
        for (int v : adj[u]) {
            if (!vis[v]) {
                e[u].push_back(v);
                e[v].push_back(u);
                dfs(v);
            }
        }
    }
    int cnt = 0;
    set<int> s;
    vector<set<int>> f;
    vector<int> val(n);
    void find(int u, int p) {
        val[u] = cnt++;
        if (cnt == MAX_BIT) {
            return;
        }
        for (int v : e[u]) {
            if (v != p) {
                f[u].insert(v);
                f[v].insert(u);
                find(v, u);
                if (cnt == MAX_BIT)
                    return;
            }
        }
    }
    void mark(int u, int p) {
        bool in = false, op1 = false, op2 = false;
        int x = -1, to = -1;
        if (val[u] == -1) {
            in = true;
            auto t = s.begin();
            if (*t == p) t++;
            x = *t;
            to = *f[x].begin();
            s.erase(x);
            f[x].erase(to);
            f[to].erase(x);
            if (f[to].size() == 1) {
                op1 = true;
                s.insert(to);
            }
            if (f[p].size() == 1) {
                op2 = true;
                s.erase(p);
            }
            f[p].insert(u);
            f[u].insert(p);
            s.insert(u);
            val[u] = val[x];
        }
        for (int v : e[u]) {
            if (v != p) {
                mark(v, u);
            }
        }
        if (in) {
            s.erase(u);
            f[p].erase(u);
            f[u].erase(p);
            if (op2) {
                s.insert(p);
            }
            if (op1) {
                s.erase(to);
            }
            f[x].insert(to);
            f[to].insert(x);
            s.insert(x);
        }
    }
    vector<bool> h(MAX_BIT);
    i64 ans = 0;
    void get(int u) {
        for (int v : e[u]) {
            if (!h[val[v]]) {
                int x = Move(v);
                ans |= (1LL * x) << val[v];
                h[val[v]] = true;
                get(v);
                Move(u);
            }
        }
    }
};
using namespace ioi;
long long Ioi(int N, int M, int A[], int B[], int u, int V, int T) {
    n = N;
    adj.resize(n);
    e.resize(n);
    for (int i = 0; i < M; i++) {
        adj[A[i]].push_back(B[i]);
        adj[B[i]].push_back(A[i]);
    }
    vis.assign(n, 0);
    dfs(0);
    
    f.resize(n);
    val.resize(n, -1);
    find(0, -1);
    
    for (int i = 0; i < n; i++) {
        if (f[i].size() == 1) {
            s.insert(i);
        }
    }
    
    mark(0, -1);
    
    h[val[u]] = 0;
    ans = (1LL * V) << val[u];
    get(u);
    
    return ans;
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 556 KB Output is correct
2 Correct 2 ms 752 KB Output is correct
3 Correct 2 ms 756 KB Output is correct
4 Correct 1 ms 764 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 764 KB Output is correct
7 Correct 2 ms 768 KB Output is correct
8 Correct 2 ms 696 KB Output is correct
9 Correct 2 ms 764 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 4 ms 968 KB Output is correct
12 Correct 1 ms 752 KB Output is correct
13 Correct 2 ms 768 KB Output is correct
14 Correct 2 ms 768 KB Output is correct
15 Correct 2 ms 768 KB Output is correct
16 Correct 2 ms 768 KB Output is correct
17 Correct 2 ms 728 KB Output is correct
18 Correct 2 ms 768 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 6716 KB Output is correct
2 Correct 38 ms 6788 KB Output is correct
3 Correct 32 ms 6812 KB Output is correct
4 Correct 26 ms 4940 KB Output is correct
5 Correct 28 ms 5632 KB Output is correct
6 Correct 24 ms 5448 KB Output is correct
7 Correct 29 ms 5296 KB Output is correct
8 Correct 23 ms 5604 KB Output is correct
9 Correct 20 ms 5628 KB Output is correct
10 Correct 20 ms 4904 KB Output is correct
11 Correct 20 ms 4976 KB Output is correct
12 Correct 23 ms 4360 KB Output is correct
13 Correct 24 ms 4432 KB Output is correct
14 Correct 29 ms 4588 KB Output is correct
15 Correct 26 ms 4880 KB Output is correct
16 Correct 24 ms 4904 KB Output is correct
17 Correct 24 ms 4876 KB Output is correct
18 Correct 26 ms 4876 KB Output is correct
19 Correct 27 ms 4848 KB Output is correct
20 Correct 26 ms 5780 KB Output is correct
21 Correct 22 ms 5640 KB Output is correct
22 Correct 22 ms 5276 KB Output is correct
23 Correct 23 ms 5524 KB Output is correct
24 Correct 23 ms 5460 KB Output is correct
25 Correct 26 ms 5428 KB Output is correct
26 Correct 24 ms 5492 KB Output is correct
27 Correct 25 ms 5472 KB Output is correct
28 Correct 22 ms 5672 KB Output is correct
29 Correct 19 ms 5048 KB Output is correct
30 Correct 20 ms 5140 KB Output is correct
31 Correct 2 ms 756 KB Output is correct
32 Correct 2 ms 752 KB Output is correct
33 Correct 2 ms 760 KB Output is correct
34 Correct 2 ms 764 KB Output is correct
35 Correct 2 ms 636 KB Output is correct
36 Correct 2 ms 752 KB Output is correct
37 Correct 1 ms 496 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 2 ms 624 KB Output is correct
40 Correct 1 ms 764 KB Output is correct
41 Correct 1 ms 716 KB Output is correct
42 Correct 2 ms 636 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 752 KB Output is correct
2 Correct 2 ms 704 KB Output is correct
3 Correct 2 ms 768 KB Output is correct
4 Correct 4 ms 1548 KB Output is correct
5 Correct 5 ms 1552 KB Output is correct
6 Correct 4 ms 1700 KB Output is correct
7 Correct 4 ms 1512 KB Output is correct
8 Correct 4 ms 1572 KB Output is correct
9 Correct 18 ms 6668 KB Output is correct
10 Correct 19 ms 6696 KB Output is correct
11 Correct 19 ms 6692 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 2 ms 760 KB Output is correct
14 Correct 1 ms 708 KB Output is correct
15 Correct 1 ms 624 KB Output is correct

Subtask #4
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 6764 KB Output is correct
2 Correct 30 ms 6892 KB Output is correct
3 Correct 31 ms 6792 KB Output is correct
4 Correct 30 ms 4896 KB Output is correct
5 Correct 24 ms 6160 KB Output is correct
6 Correct 23 ms 5600 KB Output is correct
7 Correct 23 ms 5532 KB Output is correct
8 Correct 23 ms 5168 KB Output is correct
9 Correct 27 ms 5308 KB Output is correct
10 Correct 25 ms 4888 KB Output is correct
11 Correct 20 ms 4944 KB Output is correct
12 Correct 25 ms 4392 KB Output is correct
13 Correct 25 ms 4424 KB Output is correct
14 Correct 25 ms 4632 KB Output is correct
15 Correct 24 ms 4864 KB Output is correct
16 Correct 28 ms 4844 KB Output is correct
17 Correct 26 ms 4936 KB Output is correct
18 Correct 25 ms 4896 KB Output is correct
19 Correct 24 ms 4888 KB Output is correct
20 Correct 19 ms 5756 KB Output is correct
21 Correct 19 ms 5760 KB Output is correct
22 Correct 26 ms 5448 KB Output is correct
23 Correct 24 ms 5408 KB Output is correct
24 Correct 23 ms 5380 KB Output is correct
25 Correct 31 ms 5496 KB Output is correct
26 Correct 26 ms 5436 KB Output is correct
27 Correct 23 ms 5664 KB Output is correct
28 Correct 23 ms 5420 KB Output is correct
29 Correct 22 ms 5104 KB Output is correct
30 Correct 33 ms 5376 KB Output is correct

Subtask #5
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 6788 KB Output is correct
2 Correct 38 ms 6848 KB Output is correct
3 Correct 30 ms 6728 KB Output is correct
4 Correct 23 ms 4880 KB Output is correct
5 Correct 28 ms 6404 KB Output is correct
6 Correct 23 ms 5384 KB Output is correct
7 Correct 23 ms 5272 KB Output is correct
8 Correct 24 ms 5572 KB Output is correct
9 Correct 24 ms 5372 KB Output is correct
10 Correct 23 ms 4928 KB Output is correct
11 Correct 22 ms 4972 KB Output is correct
12 Correct 23 ms 4324 KB Output is correct
13 Correct 25 ms 4368 KB Output is correct
14 Correct 31 ms 4592 KB Output is correct
15 Correct 25 ms 4904 KB Output is correct
16 Correct 26 ms 4856 KB Output is correct
17 Correct 34 ms 4844 KB Output is correct
18 Correct 24 ms 4876 KB Output is correct
19 Correct 24 ms 4872 KB Output is correct
20 Correct 23 ms 5712 KB Output is correct
21 Correct 19 ms 5676 KB Output is correct
22 Correct 22 ms 5520 KB Output is correct
23 Correct 23 ms 5336 KB Output is correct
24 Correct 22 ms 5408 KB Output is correct
25 Correct 25 ms 5408 KB Output is correct
26 Correct 22 ms 5260 KB Output is correct
27 Correct 20 ms 5548 KB Output is correct
28 Correct 25 ms 5660 KB Output is correct
29 Correct 20 ms 5236 KB Output is correct
30 Correct 27 ms 5372 KB Output is correct
31 Correct 1 ms 760 KB Output is correct
32 Correct 2 ms 764 KB Output is correct
33 Correct 2 ms 768 KB Output is correct
34 Correct 2 ms 752 KB Output is correct
35 Correct 1 ms 752 KB Output is correct
36 Correct 1 ms 624 KB Output is correct
37 Correct 1 ms 720 KB Output is correct
38 Correct 2 ms 732 KB Output is correct
39 Correct 1 ms 628 KB Output is correct
40 Correct 2 ms 696 KB Output is correct
41 Correct 2 ms 764 KB Output is correct
42 Correct 1 ms 756 KB Output is correct