oj.uz

Submission #747832

# Submission time Handle Problem Language Result Execution time Memory
747832 2023-05-24T21:14:12 Z piOOE Stray Cat (JOI20_stray) C++17
20 / 100
 46 ms 16456 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};
        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};

    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;
}

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) {
                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 37 ms 15440 KB Output is correct
2 Correct 1 ms 516 KB Output is correct
3 Correct 28 ms 14692 KB Output is correct
4 Correct 46 ms 16456 KB Output is correct
5 Correct 46 ms 16456 KB Output is correct
6 Correct 37 ms 15304 KB Output is correct
7 Correct 34 ms 15200 KB Output is correct
8 Correct 41 ms 15920 KB Output is correct
9 Correct 43 ms 15920 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 15440 KB Output is correct
2 Correct 1 ms 516 KB Output is correct
3 Correct 28 ms 14692 KB Output is correct
4 Correct 46 ms 16456 KB Output is correct
5 Correct 46 ms 16456 KB Output is correct
6 Correct 37 ms 15304 KB Output is correct
7 Correct 34 ms 15200 KB Output is correct
8 Correct 41 ms 15920 KB Output is correct
9 Correct 43 ms 15920 KB Output is correct
10 Correct 32 ms 13276 KB Output is correct
11 Correct 31 ms 13268 KB Output is correct
12 Correct 32 ms 13192 KB Output is correct
13 Correct 31 ms 13272 KB Output is correct
14 Correct 35 ms 13456 KB Output is correct
15 Correct 40 ms 13824 KB Output is correct
16 Correct 41 ms 16084 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 13056 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 28 ms 12596 KB Output is correct
4 Correct 41 ms 14260 KB Output is correct
5 Correct 45 ms 14304 KB Output is correct
6 Correct 33 ms 13044 KB Output is correct
7 Correct 33 ms 13032 KB Output is correct
8 Correct 39 ms 13680 KB Output is correct
9 Correct 40 ms 13724 KB Output is correct
10 Correct 36 ms 13416 KB Output is correct
11 Correct 35 ms 13428 KB Output is correct
12 Correct 38 ms 13528 KB Output is correct
13 Correct 37 ms 13416 KB Output is correct
14 Correct 39 ms 13800 KB Output is correct
15 Correct 40 ms 13816 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 13056 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 28 ms 12596 KB Output is correct
4 Correct 41 ms 14260 KB Output is correct
5 Correct 45 ms 14304 KB Output is correct
6 Correct 33 ms 13044 KB Output is correct
7 Correct 33 ms 13032 KB Output is correct
8 Correct 39 ms 13680 KB Output is correct
9 Correct 40 ms 13724 KB Output is correct
10 Correct 36 ms 13416 KB Output is correct
11 Correct 35 ms 13428 KB Output is correct
12 Correct 38 ms 13528 KB Output is correct
13 Correct 37 ms 13416 KB Output is correct
14 Correct 39 ms 13800 KB Output is correct
15 Correct 40 ms 13816 KB Output is correct
16 Correct 30 ms 11472 KB Output is correct
17 Correct 30 ms 11384 KB Output is correct
18 Correct 30 ms 11312 KB Output is correct
19 Correct 32 ms 11372 KB Output is correct
20 Correct 35 ms 12056 KB Output is correct
21 Correct 36 ms 11732 KB Output is correct
22 Correct 40 ms 13816 KB Output is correct
23 Correct 33 ms 11544 KB Output is correct
24 Correct 31 ms 11500 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 508 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 908 KB Output is correct
6 Correct 2 ms 896 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 896 KB Output is correct
11 Correct 2 ms 904 KB Output is correct
12 Correct 2 ms 908 KB Output is correct
13 Correct 2 ms 904 KB Output is correct
14 Correct 2 ms 904 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 820 KB Output is correct
19 Correct 2 ms 896 KB Output is correct
20 Correct 2 ms 896 KB Output is correct
21 Correct 2 ms 904 KB Output is correct
22 Correct 2 ms 900 KB Output is correct
23 Correct 2 ms 900 KB Output is correct
24 Correct 2 ms 896 KB Output is correct
25 Correct 2 ms 896 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 896 KB Output is correct

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 11208 KB Output is correct
2 Correct 36 ms 11604 KB Output is correct
3 Correct 0 ms 508 KB Output is correct
4 Correct 26 ms 11128 KB Output is correct
5 Correct 41 ms 12452 KB Output is correct
6 Correct 40 ms 12496 KB Output is correct
7 Incorrect 30 ms 11620 KB Wrong Answer [6]
8 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 11112 KB Output is correct
2 Correct 37 ms 11432 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 26 ms 11024 KB Output is correct
5 Correct 41 ms 12408 KB Output is correct
6 Correct 39 ms 12444 KB Output is correct
7 Incorrect 30 ms 11552 KB Wrong Answer [6]
8 Halted 0 ms 0 KB -