oj.uz

Submission #667952

# Submission time Handle Problem Language Result Execution time Memory
667952 2022-12-02T12:10:23 Z bashkort Amusement Park (JOI17_amusement_park) C++17
96 / 100
 29 ms 5728 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(228 % N);

    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(228 % N);
    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 0 ms 520 KB Output is correct
2 Correct 2 ms 520 KB Output is correct
3 Correct 2 ms 772 KB Output is correct
4 Correct 0 ms 520 KB Output is correct
5 Correct 1 ms 520 KB Output is correct
6 Correct 0 ms 768 KB Output is correct
7 Correct 1 ms 772 KB Output is correct
8 Correct 1 ms 772 KB Output is correct
9 Correct 1 ms 772 KB Output is correct
10 Correct 0 ms 640 KB Output is correct
11 Correct 3 ms 944 KB Output is correct
12 Correct 2 ms 520 KB Output is correct
13 Correct 2 ms 772 KB Output is correct
14 Correct 2 ms 772 KB Output is correct
15 Correct 2 ms 772 KB Output is correct
16 Correct 2 ms 772 KB Output is correct
17 Correct 1 ms 768 KB Output is correct
18 Correct 2 ms 784 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 4316 KB Output is correct
2 Correct 20 ms 4324 KB Output is correct
3 Correct 25 ms 4248 KB Output is correct
4 Correct 15 ms 3752 KB Output is correct
5 Correct 16 ms 5364 KB Output is correct
6 Correct 15 ms 4168 KB Output is correct
7 Correct 17 ms 4196 KB Output is correct
8 Correct 15 ms 4288 KB Output is correct
9 Correct 17 ms 4176 KB Output is correct
10 Correct 17 ms 3544 KB Output is correct
11 Correct 13 ms 3520 KB Output is correct
12 Correct 15 ms 3264 KB Output is correct
13 Correct 14 ms 3268 KB Output is correct
14 Correct 13 ms 3412 KB Output is correct
15 Correct 15 ms 3756 KB Output is correct
16 Correct 15 ms 3800 KB Output is correct
17 Correct 15 ms 3664 KB Output is correct
18 Correct 15 ms 3664 KB Output is correct
19 Correct 16 ms 3652 KB Output is correct
20 Correct 13 ms 4572 KB Output is correct
21 Correct 13 ms 4428 KB Output is correct
22 Correct 18 ms 4420 KB Output is correct
23 Correct 18 ms 4192 KB Output is correct
24 Correct 14 ms 4056 KB Output is correct
25 Correct 14 ms 4284 KB Output is correct
26 Correct 17 ms 4124 KB Output is correct
27 Correct 17 ms 4492 KB Output is correct
28 Correct 16 ms 4332 KB Output is correct
29 Correct 14 ms 3780 KB Output is correct
30 Correct 15 ms 3868 KB Output is correct
31 Correct 1 ms 520 KB Output is correct
32 Correct 1 ms 768 KB Output is correct
33 Correct 2 ms 772 KB Output is correct
34 Correct 0 ms 512 KB Output is correct
35 Correct 1 ms 512 KB Output is correct
36 Correct 0 ms 648 KB Output is correct
37 Correct 1 ms 512 KB Output is correct
38 Correct 1 ms 516 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 0 ms 516 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 1 ms 508 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 1 ms 520 KB Output is correct
3 Correct 0 ms 640 KB Output is correct
4 Correct 4 ms 1316 KB Output is correct
5 Correct 3 ms 1316 KB Output is correct
6 Correct 3 ms 1316 KB Output is correct
7 Correct 4 ms 1316 KB Output is correct
8 Correct 3 ms 1312 KB Output is correct
9 Correct 14 ms 5720 KB Output is correct
10 Correct 14 ms 5728 KB Output is correct
11 Correct 16 ms 5724 KB Output is correct
12 Correct 0 ms 512 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 1 ms 520 KB Output is correct
15 Correct 0 ms 520 KB Output is correct

Subtask #4
51.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 4196 KB Output is correct
2 Partially correct 25 ms 4332 KB Partially correct
3 Correct 24 ms 4280 KB Output is correct
4 Correct 15 ms 3668 KB Output is correct
5 Correct 16 ms 4700 KB Output is correct
6 Correct 15 ms 4304 KB Output is correct
7 Correct 15 ms 4468 KB Output is correct
8 Correct 15 ms 4036 KB Output is correct
9 Correct 16 ms 4320 KB Output is correct
10 Correct 14 ms 3548 KB Output is correct
11 Correct 14 ms 3524 KB Output is correct
12 Correct 13 ms 3280 KB Output is correct
13 Correct 13 ms 3276 KB Output is correct
14 Correct 16 ms 3436 KB Output is correct
15 Correct 15 ms 3804 KB Output is correct
16 Correct 15 ms 3800 KB Output is correct
17 Correct 15 ms 3640 KB Output is correct
18 Correct 14 ms 3692 KB Output is correct
19 Correct 17 ms 3644 KB Output is correct
20 Correct 17 ms 4444 KB Output is correct
21 Correct 14 ms 4436 KB Output is correct
22 Correct 14 ms 4132 KB Output is correct
23 Correct 15 ms 4180 KB Output is correct
24 Correct 16 ms 4312 KB Output is correct
25 Correct 15 ms 4192 KB Output is correct
26 Correct 15 ms 4052 KB Output is correct
27 Correct 14 ms 4312 KB Output is correct
28 Correct 15 ms 4104 KB Output is correct
29 Correct 14 ms 3904 KB Output is correct
30 Correct 14 ms 4048 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 4320 KB Output is correct
2 Correct 23 ms 4184 KB Output is correct
3 Correct 23 ms 4292 KB Output is correct
4 Correct 15 ms 3664 KB Output is correct
5 Correct 17 ms 5152 KB Output is correct
6 Correct 16 ms 4440 KB Output is correct
7 Correct 20 ms 4340 KB Output is correct
8 Correct 15 ms 4160 KB Output is correct
9 Correct 15 ms 4060 KB Output is correct
10 Correct 14 ms 3548 KB Output is correct
11 Correct 15 ms 3536 KB Output is correct
12 Correct 18 ms 3272 KB Output is correct
13 Correct 13 ms 3280 KB Output is correct
14 Correct 14 ms 3412 KB Output is correct
15 Correct 18 ms 3792 KB Output is correct
16 Correct 15 ms 3780 KB Output is correct
17 Correct 15 ms 3656 KB Output is correct
18 Correct 14 ms 3668 KB Output is correct
19 Correct 14 ms 3596 KB Output is correct
20 Correct 12 ms 4436 KB Output is correct
21 Correct 12 ms 4456 KB Output is correct
22 Correct 20 ms 4152 KB Output is correct
23 Correct 16 ms 4444 KB Output is correct
24 Correct 15 ms 4180 KB Output is correct
25 Correct 15 ms 4444 KB Output is correct
26 Correct 15 ms 4284 KB Output is correct
27 Correct 14 ms 4352 KB Output is correct
28 Correct 15 ms 4180 KB Output is correct
29 Correct 13 ms 4172 KB Output is correct
30 Correct 14 ms 3968 KB Output is correct
31 Correct 2 ms 512 KB Output is correct
32 Correct 0 ms 640 KB Output is correct
33 Correct 1 ms 780 KB Output is correct
34 Correct 1 ms 640 KB Output is correct
35 Correct 0 ms 520 KB Output is correct
36 Correct 1 ms 648 KB Output is correct
37 Correct 1 ms 520 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 520 KB Output is correct
41 Correct 1 ms 768 KB Output is correct
42 Correct 0 ms 524 KB Output is correct