oj.uz

Submission #747836

# Submission time Handle Problem Language Result Execution time Memory
747836 2023-05-24T21:17:50 Z piOOE Stray Cat (JOI20_stray) C++17
20 / 100
 49 ms 16436 KB 
#include "Anthony.h"
#include <bits/stdc++.h>

using namespace std;

std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
    std::vector<int> X(M, -1);
    vector<vector<pair<int, int>>> adj(N);

    for (int i = 0; i < M; ++i) {
        adj[U[i]].push_back({V[i], i});
        adj[V[i]].push_back({U[i], i});
    }

    vector<int> dist(N, -1), par(N), e(N, -1), ord;
    dist[0] = 0;
    queue<int> q;
    q.push(0);

    while (!q.empty()) {
        int v = q.front();
        q.pop();
        ord.push_back(v);

        for (auto [to, i] : adj[v]) {
            if (dist[to] == -1) {
                dist[to] = dist[v] + 1;
                par[to] = v;
                e[to] = i;
                q.push(to);
            }
        }
    }

    if (B == 0) {
        for (int i = 0; i < M; ++i) {
            if (dist[U[i]] > dist[V[i]]) {
                swap(U[i], V[i]);
            }
            X[i] = dist[U[i]] % 3;
        }
    } else {
        for (int i = 1; i < N; ++i) {
            if (adj[i].size() > 2) {
                for (auto [to, j] : adj[i]) {
                    X[j] = (dist[i] % 2) ^ (e[i] != j);
                }
            }
        }

        vector<int> code{0, 1, 0, 0, 1, 1};
        vector<int> dp(N, -1);

        reverse(ord.begin(), ord.end());

        for (int x : ord) {
            if (e[x] == -1 || X[e[x]] != -1) {
                continue;
            }
            dp[x] = (dp[x] + 1) % size(code);
            X[e[x]] = code[dp[x]];
            dp[par[x]] = dp[x];
        }
    }

    assert(find(X.begin(), X.end(), -1) == X.end());

    return X;
}

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

using namespace std;

namespace {
    int A, B, e = -1;
    bool ok = false;

    vector<int> adj;
    vector<int> code{0, 1, 0, 0, 1, 1};

    bool extendable(vector<int> a) {
        for (int i = 0; i < size(code); ++i) {
            bool yay = true;

            for (int k = 0; k < size(a); ++k) {
                if (a[k] != code[(i + k) % size(code)]) {
                    yay = false;
                    break;
                }
            }

            if (yay) {
                return true;
            }
        }

        return false;
    }
}

void Init(int A, int B) {
    ::A = A;
    ::B = B;
}

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

int Move(std::vector<int> y) {
    if (e != -1) {
        y[e] += 1;
    }

    int deg = accumulate(y.begin(), y.end(), 0);

    if (B == 0) {
        int fi = -1, se = -1, cnt = 0;

        for (int i = 0; i < A; ++i) {
            if (y[i]) {
                fi = fi == -1 ? i : fi;
                se = i;
                cnt += 1;
            }
        }

        if (fi != 0 || se != 2) {
            return e = fi;
        } else {
            return e = se;
        }
    } else {
        if (size(adj) >= size(code)) {
            ok = true;
        }
        if (deg > 2) {
            ok = true;
            for (int i = 0; i < A; ++i) {
                if (y[i] == 1) {
                    if (i == e) {
                        return -1;
                    } else {
                        return e = i;
                    }
                }
            }
        } else if (deg == 1) {
            ok = true;
            for (int i = 0; i < A; ++i) {
                if (y[i]) {
                    if (i == e) {
                        return -1;
                    } else {
                        return e = i;
                    }
                }
            }
        } else if (ok) {
            --y[e];
            for (int i = 0; i < A; ++i) {
                if (y[i]) {
                    return e = i;
                }
            }
        }  else {
            int a = -1, b = -1;

            for (int i = 0; i < A; ++i) {
                if (y[i]) {
                    a = a == -1 ? i : a;
                    b = i;
                }
            }

            if (e == -1) {
                if (rnd() & 1) {
                    swap(a, b);
                }
                adj.push_back(a);
                adj.push_back(b);
                return e = b;
            }

            int c = a ^ b ^ e;
            adj.push_back(c);

            if (extendable(adj)) {
                return e = c;
            } else {
                ok = true;
                return -1;
            }
        }

        assert(false);
    }
}

Compilation message

Catherine.cpp: In function 'bool {anonymous}::extendable(std::vector<int>)':
Catherine.cpp:14:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |         for (int i = 0; i < size(code); ++i) {
      |                         ~~^~~~~~~~~~~~
Catherine.cpp:17:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |             for (int k = 0; k < size(a); ++k) {
      |                             ~~^~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 15364 KB Output is correct
2 Correct 1 ms 508 KB Output is correct
3 Correct 28 ms 14804 KB Output is correct
4 Correct 47 ms 16404 KB Output is correct
5 Correct 46 ms 16436 KB Output is correct
6 Correct 40 ms 15164 KB Output is correct
7 Correct 41 ms 15168 KB Output is correct
8 Correct 40 ms 15828 KB Output is correct
9 Correct 43 ms 15984 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 15364 KB Output is correct
2 Correct 1 ms 508 KB Output is correct
3 Correct 28 ms 14804 KB Output is correct
4 Correct 47 ms 16404 KB Output is correct
5 Correct 46 ms 16436 KB Output is correct
6 Correct 40 ms 15164 KB Output is correct
7 Correct 41 ms 15168 KB Output is correct
8 Correct 40 ms 15828 KB Output is correct
9 Correct 43 ms 15984 KB Output is correct
10 Correct 33 ms 13208 KB Output is correct
11 Correct 31 ms 13232 KB Output is correct
12 Correct 31 ms 13280 KB Output is correct
13 Correct 33 ms 13208 KB Output is correct
14 Correct 33 ms 13464 KB Output is correct
15 Correct 36 ms 13936 KB Output is correct
16 Correct 41 ms 15952 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 13080 KB Output is correct
2 Correct 1 ms 508 KB Output is correct
3 Correct 27 ms 12648 KB Output is correct
4 Correct 43 ms 14336 KB Output is correct
5 Correct 40 ms 14256 KB Output is correct
6 Correct 34 ms 13052 KB Output is correct
7 Correct 33 ms 12972 KB Output is correct
8 Correct 39 ms 13696 KB Output is correct
9 Correct 40 ms 13604 KB Output is correct
10 Correct 40 ms 13348 KB Output is correct
11 Correct 38 ms 13416 KB Output is correct
12 Correct 39 ms 13340 KB Output is correct
13 Correct 37 ms 13496 KB Output is correct
14 Correct 43 ms 13704 KB Output is correct
15 Correct 48 ms 13708 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 13080 KB Output is correct
2 Correct 1 ms 508 KB Output is correct
3 Correct 27 ms 12648 KB Output is correct
4 Correct 43 ms 14336 KB Output is correct
5 Correct 40 ms 14256 KB Output is correct
6 Correct 34 ms 13052 KB Output is correct
7 Correct 33 ms 12972 KB Output is correct
8 Correct 39 ms 13696 KB Output is correct
9 Correct 40 ms 13604 KB Output is correct
10 Correct 40 ms 13348 KB Output is correct
11 Correct 38 ms 13416 KB Output is correct
12 Correct 39 ms 13340 KB Output is correct
13 Correct 37 ms 13496 KB Output is correct
14 Correct 43 ms 13704 KB Output is correct
15 Correct 48 ms 13708 KB Output is correct
16 Correct 31 ms 11452 KB Output is correct
17 Correct 28 ms 11360 KB Output is correct
18 Correct 31 ms 11368 KB Output is correct
19 Correct 36 ms 11284 KB Output is correct
20 Correct 39 ms 12028 KB Output is correct
21 Correct 37 ms 11736 KB Output is correct
22 Correct 41 ms 13724 KB Output is correct
23 Correct 34 ms 11404 KB Output is correct
24 Correct 34 ms 11404 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 896 KB Output is correct
2 Correct 0 ms 512 KB Output is correct
3 Correct 2 ms 904 KB Output is correct
4 Correct 2 ms 904 KB Output is correct
5 Correct 2 ms 904 KB Output is correct
6 Correct 2 ms 904 KB Output is correct
7 Correct 2 ms 896 KB Output is correct
8 Correct 2 ms 904 KB Output is correct
9 Correct 2 ms 896 KB Output is correct
10 Correct 2 ms 904 KB Output is correct
11 Correct 2 ms 896 KB Output is correct
12 Correct 2 ms 896 KB Output is correct
13 Correct 2 ms 904 KB Output is correct
14 Correct 2 ms 896 KB Output is correct
15 Correct 2 ms 904 KB Output is correct
16 Correct 2 ms 896 KB Output is correct
17 Correct 2 ms 896 KB Output is correct
18 Correct 2 ms 896 KB Output is correct
19 Correct 2 ms 896 KB Output is correct
20 Correct 2 ms 892 KB Output is correct
21 Correct 2 ms 896 KB Output is correct
22 Correct 2 ms 904 KB Output is correct
23 Correct 2 ms 896 KB Output is correct
24 Correct 2 ms 904 KB Output is correct
25 Correct 2 ms 900 KB Output is correct
26 Correct 2 ms 896 KB Output is correct
27 Correct 2 ms 896 KB Output is correct
28 Correct 2 ms 904 KB Output is correct

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 11164 KB Output is correct
2 Correct 37 ms 11500 KB Output is correct
3 Correct 1 ms 516 KB Output is correct
4 Correct 28 ms 11024 KB Output is correct
5 Correct 40 ms 12344 KB Output is correct
6 Correct 49 ms 12180 KB Output is correct
7 Correct 36 ms 11392 KB Output is correct
8 Correct 37 ms 11456 KB Output is correct
9 Correct 46 ms 12276 KB Output is correct
10 Correct 44 ms 12184 KB Output is correct
11 Correct 39 ms 12308 KB Output is correct
12 Correct 44 ms 12152 KB Output is correct
13 Correct 39 ms 12196 KB Output is correct
14 Correct 39 ms 12264 KB Output is correct
15 Correct 38 ms 12188 KB Output is correct
16 Correct 41 ms 12332 KB Output is correct
17 Correct 37 ms 11996 KB Output is correct
18 Correct 36 ms 11908 KB Output is correct
19 Correct 38 ms 11872 KB Output is correct
20 Correct 40 ms 11988 KB Output is correct
21 Correct 35 ms 12052 KB Output is correct
22 Correct 36 ms 12016 KB Output is correct
23 Incorrect 28 ms 11228 KB Wrong Answer [6]
24 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 11112 KB Output is correct
2 Correct 38 ms 11412 KB Output is correct
3 Correct 0 ms 508 KB Output is correct
4 Correct 30 ms 11092 KB Output is correct
5 Correct 43 ms 12236 KB Output is correct
6 Correct 42 ms 12208 KB Output is correct
7 Correct 32 ms 11324 KB Output is correct
8 Correct 35 ms 11420 KB Output is correct
9 Correct 39 ms 12352 KB Output is correct
10 Correct 40 ms 12296 KB Output is correct
11 Correct 39 ms 12372 KB Output is correct
12 Correct 41 ms 12184 KB Output is correct
13 Correct 38 ms 12304 KB Output is correct
14 Correct 38 ms 12272 KB Output is correct
15 Correct 37 ms 12276 KB Output is correct
16 Correct 39 ms 12252 KB Output is correct
17 Correct 37 ms 11928 KB Output is correct
18 Correct 36 ms 11988 KB Output is correct
19 Correct 38 ms 12012 KB Output is correct
20 Correct 39 ms 11964 KB Output is correct
21 Correct 39 ms 11984 KB Output is correct
22 Correct 36 ms 11988 KB Output is correct
23 Correct 34 ms 11344 KB Output is correct
24 Correct 28 ms 11096 KB Output is correct
25 Correct 34 ms 11220 KB Output is correct
26 Correct 32 ms 11328 KB Output is correct
27 Correct 36 ms 11740 KB Output is correct
28 Correct 36 ms 11744 KB Output is correct
29 Correct 36 ms 11716 KB Output is correct
30 Correct 36 ms 11760 KB Output is correct
31 Correct 30 ms 11260 KB Output is correct
32 Correct 30 ms 11208 KB Output is correct
33 Correct 31 ms 11380 KB Output is correct
34 Correct 33 ms 11324 KB Output is correct
35 Correct 37 ms 11568 KB Output is correct
36 Correct 37 ms 11608 KB Output is correct
37 Incorrect 41 ms 11568 KB Wrong Answer [6]
38 Halted 0 ms 0 KB -