oj.uz

Submission #667954

# Submission time Handle Problem Language Result Execution time Memory
667954 2022-12-02T12:11:45 Z bashkort Amusement Park (JOI17_amusement_park) C++17
100 / 100
 26 ms 5724 KB 
#include "Joi.h"
#include <bits/stdc++.h>

using namespace std;

void Joi(int N, int M, int A[], int B[], long long X, int T) {
    struct DSU {
        vector<int> p;
        DSU() = default;
        DSU(int n) : p(n) {
            iota(p.begin(), p.end(), 0);
        }

        int leader(int x) {
            while (x != p[x]) x = p[x] = p[p[x]];
            return x;
        }

        bool unite(int x, int y) {
            x = leader(x), y = leader(y);
            if (p[y] == x) {
                return false;
            } else {
                return p[y] = x, true;
            }
        }
    };

    mt19937 rnd(228);
    vector<pair<int, int>> edges(M);
    for (int i = 0; i < M; ++i) {
        edges[i] = {A[i], B[i]};
    }
//    shuffle(edges.begin(), edges.end(), rnd);
    vector<int> tin(N), par(N, -1);
    vector<vector<int>> g(N), adj(N);
    DSU d(N);
    for (int i = 0; i < M; ++i) {
        auto [a, b] = edges[i];
        if (d.unite(a, b)) {
            g[a].push_back(b);
            g[b].push_back(a);
        }
    }

    int timer = 0;
    function<void(int)> dfs = [&](int v) {
        tin[v] = timer++;
        sort(g[v].begin(), g[v].end());
        for (int to : g[v]) {
            if (to != par[v]) {
                par[to] = v;
                adj[v].push_back(to);
                dfs(to);
            }
        }
    };
    dfs(0);

    for (int i = 0; i < N; ++i) {
        MessageBoard(i, X >> (tin[i] % 60) & 1);
    }
}

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

using namespace std;
using ll = long long;


long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
    struct DSU {
        vector<int> p;

        DSU() = default;

        DSU(int n) : p(n) {
            iota(p.begin(), p.end(), 0);
        }

        int leader(int x) {
            while (x != p[x]) x = p[x] = p[p[x]];
            return x;
        }

        bool unite(int x, int y) {
            x = leader(x), y = leader(y);
            if (p[y] == x) {
                return false;
            } else {
                return p[y] = x, true;
            }
        }
    };

    mt19937 rnd(228);
    vector<pair<int, int>> edges(M);
    for (int i = 0; i < M; ++i) {
        edges[i] = {A[i], B[i]};
    }
//    shuffle(edges.begin(), edges.end(), rnd);
    vector<int> tin(N), par(N, -1), tout(N);
    vector<vector<int>> g(N), adj(N);
    DSU d(N);
    for (int i = 0; i < M; ++i) {
        auto [a, b] = edges[i];
        if (d.unite(a, b)) {
            g[a].push_back(b);
            g[b].push_back(a);
        }
    }

    int timer = 0;
    function<void(int)> dfs = [&](int v) {
        tin[v] = timer++;
        sort(g[v].begin(), g[v].end());
        for (int to: g[v]) {
            if (to != par[v]) {
                par[to] = v;
                adj[v].push_back(to);
                dfs(to);
            }
        }
        tout[v] = timer;
    };
    dfs(0);
    int LOG = 60;
    vector<bool> used(N);
    vector<int> ans(LOG, -1);
    ans[tin[P] % LOG] = V;
    vector<int> last(N, -1);
    int x = P;
    auto any = [&](int l, int r) {
        if (l >= r) {
            return (r && find(ans.begin(), ans.begin() + r, -1) != (ans.begin() + r))
                   || (find(ans.begin() + l, ans.end(), -1) != ans.end());
        }
        return find(ans.begin() + l, ans.begin() + r, -1) != (ans.begin() + r);
    };
    while (any(0, LOG)) {
        used[x] = true;
        auto it = upper_bound(adj[x].begin(), adj[x].end(), last[x]);
        if (it == adj[x].end()) {
            it = adj[x].begin();
        }
        if (adj[x].empty() || used[*it]) {
            last[par[x]] = x;
            x = par[x];
            assert(x != -1);
            ans[tin[x] % LOG] = Move(x);
        } else {
            last[x] = *it;
            int to = *it;
            used[to] = true;
            if (any(tin[to] % 60, tout[to] % 60)) {
                x = *it;
                ans[tin[x] % LOG] = Move(x);
            }
        }
    }

    ll X = 0;
    for (int i = 0; i < LOG; ++i) {
        assert(ans[i] != -1);
        X += ans[i] * (1LL << i);
    }

    return X;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 520 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 1 ms 772 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 0 ms 640 KB Output is correct
7 Correct 2 ms 772 KB Output is correct
8 Correct 1 ms 776 KB Output is correct
9 Correct 1 ms 784 KB Output is correct
10 Correct 0 ms 648 KB Output is correct
11 Correct 4 ms 944 KB Output is correct
12 Correct 0 ms 516 KB Output is correct
13 Correct 1 ms 780 KB Output is correct
14 Correct 1 ms 780 KB Output is correct
15 Correct 1 ms 772 KB Output is correct
16 Correct 1 ms 772 KB Output is correct
17 Correct 2 ms 772 KB Output is correct
18 Correct 2 ms 772 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 4340 KB Output is correct
2 Correct 23 ms 4200 KB Output is correct
3 Correct 22 ms 4184 KB Output is correct
4 Correct 15 ms 3668 KB Output is correct
5 Correct 15 ms 4696 KB Output is correct
6 Correct 15 ms 4184 KB Output is correct
7 Correct 16 ms 4180 KB Output is correct
8 Correct 16 ms 4432 KB Output is correct
9 Correct 16 ms 4436 KB Output is correct
10 Correct 14 ms 3548 KB Output is correct
11 Correct 17 ms 3532 KB Output is correct
12 Correct 14 ms 3252 KB Output is correct
13 Correct 13 ms 3276 KB Output is correct
14 Correct 15 ms 3356 KB Output is correct
15 Correct 15 ms 3800 KB Output is correct
16 Correct 16 ms 3700 KB Output is correct
17 Correct 14 ms 3664 KB Output is correct
18 Correct 17 ms 3628 KB Output is correct
19 Correct 16 ms 3636 KB Output is correct
20 Correct 15 ms 4500 KB Output is correct
21 Correct 11 ms 4392 KB Output is correct
22 Correct 13 ms 4044 KB Output is correct
23 Correct 16 ms 4316 KB Output is correct
24 Correct 18 ms 4004 KB Output is correct
25 Correct 18 ms 4156 KB Output is correct
26 Correct 17 ms 4216 KB Output is correct
27 Correct 15 ms 4284 KB Output is correct
28 Correct 15 ms 4356 KB Output is correct
29 Correct 14 ms 3904 KB Output is correct
30 Correct 13 ms 4048 KB Output is correct
31 Correct 0 ms 512 KB Output is correct
32 Correct 2 ms 524 KB Output is correct
33 Correct 2 ms 780 KB Output is correct
34 Correct 1 ms 520 KB Output is correct
35 Correct 0 ms 512 KB Output is correct
36 Correct 1 ms 516 KB Output is correct
37 Correct 0 ms 512 KB Output is correct
38 Correct 0 ms 520 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 0 ms 520 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 0 ms 512 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 520 KB Output is correct
2 Correct 0 ms 512 KB Output is correct
3 Correct 1 ms 692 KB Output is correct
4 Correct 2 ms 1448 KB Output is correct
5 Correct 2 ms 1616 KB Output is correct
6 Correct 3 ms 1444 KB Output is correct
7 Correct 3 ms 1432 KB Output is correct
8 Correct 3 ms 1436 KB Output is correct
9 Correct 13 ms 5700 KB Output is correct
10 Correct 12 ms 5724 KB Output is correct
11 Correct 13 ms 5712 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 516 KB Output is correct
14 Correct 1 ms 524 KB Output is correct
15 Correct 1 ms 512 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 4176 KB Output is correct
2 Correct 23 ms 4032 KB Output is correct
3 Correct 26 ms 4176 KB Output is correct
4 Correct 15 ms 3484 KB Output is correct
5 Correct 18 ms 5208 KB Output is correct
6 Correct 18 ms 4420 KB Output is correct
7 Correct 16 ms 4436 KB Output is correct
8 Correct 16 ms 4060 KB Output is correct
9 Correct 22 ms 4176 KB Output is correct
10 Correct 15 ms 3532 KB Output is correct
11 Correct 14 ms 3540 KB Output is correct
12 Correct 14 ms 3252 KB Output is correct
13 Correct 14 ms 3272 KB Output is correct
14 Correct 15 ms 3372 KB Output is correct
15 Correct 14 ms 3792 KB Output is correct
16 Correct 15 ms 3800 KB Output is correct
17 Correct 15 ms 3680 KB Output is correct
18 Correct 17 ms 3636 KB Output is correct
19 Correct 16 ms 3708 KB Output is correct
20 Correct 12 ms 4436 KB Output is correct
21 Correct 11 ms 4508 KB Output is correct
22 Correct 17 ms 4184 KB Output is correct
23 Correct 15 ms 4184 KB Output is correct
24 Correct 15 ms 4124 KB Output is correct
25 Correct 15 ms 4316 KB Output is correct
26 Correct 15 ms 4312 KB Output is correct
27 Correct 15 ms 4436 KB Output is correct
28 Correct 15 ms 4052 KB Output is correct
29 Correct 14 ms 3912 KB Output is correct
30 Correct 14 ms 4184 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 4296 KB Output is correct
2 Correct 26 ms 4132 KB Output is correct
3 Correct 23 ms 4132 KB Output is correct
4 Correct 15 ms 3616 KB Output is correct
5 Correct 15 ms 5464 KB Output is correct
6 Correct 15 ms 4176 KB Output is correct
7 Correct 20 ms 4152 KB Output is correct
8 Correct 15 ms 4444 KB Output is correct
9 Correct 17 ms 4312 KB Output is correct
10 Correct 13 ms 3476 KB Output is correct
11 Correct 13 ms 3660 KB Output is correct
12 Correct 13 ms 3260 KB Output is correct
13 Correct 13 ms 3308 KB Output is correct
14 Correct 15 ms 3400 KB Output is correct
15 Correct 17 ms 3748 KB Output is correct
16 Correct 15 ms 3796 KB Output is correct
17 Correct 17 ms 3612 KB Output is correct
18 Correct 14 ms 3664 KB Output is correct
19 Correct 15 ms 3684 KB Output is correct
20 Correct 15 ms 4404 KB Output is correct
21 Correct 11 ms 4404 KB Output is correct
22 Correct 16 ms 4276 KB Output is correct
23 Correct 16 ms 4196 KB Output is correct
24 Correct 15 ms 4180 KB Output is correct
25 Correct 19 ms 4168 KB Output is correct
26 Correct 15 ms 4060 KB Output is correct
27 Correct 15 ms 4440 KB Output is correct
28 Correct 15 ms 4432 KB Output is correct
29 Correct 14 ms 4164 KB Output is correct
30 Correct 13 ms 4180 KB Output is correct
31 Correct 0 ms 520 KB Output is correct
32 Correct 1 ms 528 KB Output is correct
33 Correct 0 ms 684 KB Output is correct
34 Correct 0 ms 520 KB Output is correct
35 Correct 0 ms 512 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 0 ms 520 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 0 ms 512 KB Output is correct
40 Correct 0 ms 508 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 0 ms 512 KB Output is correct