oj.uz

Submission #960926

# Submission time Handle Problem Language Result Execution time Memory
960926 2024-04-11T08:51:11 Z alextodoran Stray Cat (JOI20_stray) C++17
91 / 100
 40 ms 16932 KB 
#include <bits/stdc++.h>
#include "Anthony.h"

using namespace std;

namespace {

const int N_MAX = 20000;
const int pattern[] = {0, 1, 0, 0, 1, 1};

int N, M, A, B;
int edge_u[N_MAX], edge_v[N_MAX];
vector <int> adj[N_MAX];
int other (int i, int u) {
    return (u != edge_v[i] ? edge_v[i] : edge_u[i]);
}

int up_edge[N_MAX];
int color[N_MAX + 1];

void dfs (int u, int chain = -1) {
    if ((int) adj[u].size() == 2 && u != 0) {
        if (chain == -1) {
            chain = 1 - color[up_edge[u]];
        } else {
            chain++;
        }
    } else {
        chain = -1;
    }
    for (int i : adj[u]) {
        if (i != up_edge[u]) {
            int v = other(i, u);
            up_edge[v] = i;
            color[i] = (chain == -1 ? 1 - color[up_edge[u]] : pattern[chain % 6]);
            dfs(v, chain);
        }
    }
}
void dfs () {
    up_edge[0] = N; color[0] = 0;
    dfs(0);
}

int dist[N_MAX];
void bfs () {
    fill(dist, dist + N, -1);
    up_edge[0] = N; color[0] = 0;
    dist[0] = 0;
    queue <int> q;
    q.push(0);
    while (q.empty() == false) {
        int u = q.front();
        q.pop();
        for (int i : adj[u]) {
            int v = other(i, u);
            if (dist[v] == -1) {
                up_edge[v] = i;
                dist[v] = dist[u] + 1;
                color[i] = (color[up_edge[u]] + 1) % 3;
                q.push(v);
            } else if (dist[u] <= dist[v]){
                color[i] = (color[up_edge[u]] + 1) % 3;
            }
        }
    }
}

}

vector <int> Mark (int _N, int _M, int _A, int _B, vector <int> _U, vector <int> _V) {
    N = _N; M = _M; A = _A; B = _B;
    for (int i = 0; i < M; i++) {
        edge_u[i] = _U[i]; edge_v[i] = _V[i];
        adj[edge_u[i]].push_back(i);
        adj[edge_v[i]].push_back(i);
    }
    if (B > 0) {
        dfs();
    } else {
        bfs();
    }
    vector <int> X(M);
    copy(color, color + M, X.begin());
    return X;
}

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

using namespace std;

namespace {
    int A, B;
    vector <int> cols;
    bool passed_test;
}


void Init (int _A, int _B) {
    A = _A; B = _B;
    cols.clear();
    passed_test = false;
}

int Move (vector <int> cnt_col) {
    if (B > 0) {
        int now = (cols.empty() == false ? 1 - cols.back() : 0);
        if (cnt_col[now] > 0) {
            cols.push_back(now);
        } else if (cnt_col[1 - now] > 0) {
            cols.push_back(1 - now);
        } else {
            passed_test = true;
            cols = {cols.back()};
            return -1;
        }
        int deg = cnt_col[0] + cnt_col[1] + ((int) cols.size() != 1);
        if (cnt_col[cols.back()] > 1 && deg > 2) {
            if ((int) cols.size() == 1) {
                cols.back() = 1 - cols.back();
            } else {
                passed_test = true;
                cols = {cols.back()};
                return -1;
            }
        }
        if (passed_test == false && (int) cols.size() == 6) {
            passed_test = true;
            bool ok = true;
            for (int i = 0; i < (int) cols.size(); i++) {
                if (cols[i] == 0 && cols[(i + 1) % 6] == 0) {
                    ok = (cols[(i + 2) % 6] != cols[(i + 3) % 6]);
                }
            }
            if (ok == false) {
                cols.pop_back();
                cols = {cols.back()};
                return -1;
            }
        }
        return cols.back();
    } else {
        if ((cnt_col[0] > 0) + (cnt_col[1] > 0) + (cnt_col[2] > 0) == 1) {
            return (cnt_col[0] > 0 ? 0 : (cnt_col[1] > 0 ? 1 : 2));
        } else {
            return (cnt_col[0] == 0 ? 1 : (cnt_col[1] == 0 ? 2 : 0));
        }
    }
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 15996 KB Output is correct
2 Correct 1 ms 1308 KB Output is correct
3 Correct 25 ms 15224 KB Output is correct
4 Correct 37 ms 16932 KB Output is correct
5 Correct 40 ms 16900 KB Output is correct
6 Correct 28 ms 16036 KB Output is correct
7 Correct 30 ms 16168 KB Output is correct
8 Correct 37 ms 16676 KB Output is correct
9 Correct 33 ms 16564 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 15996 KB Output is correct
2 Correct 1 ms 1308 KB Output is correct
3 Correct 25 ms 15224 KB Output is correct
4 Correct 37 ms 16932 KB Output is correct
5 Correct 40 ms 16900 KB Output is correct
6 Correct 28 ms 16036 KB Output is correct
7 Correct 30 ms 16168 KB Output is correct
8 Correct 37 ms 16676 KB Output is correct
9 Correct 33 ms 16564 KB Output is correct
10 Correct 25 ms 14036 KB Output is correct
11 Correct 27 ms 14028 KB Output is correct
12 Correct 26 ms 14244 KB Output is correct
13 Correct 25 ms 14132 KB Output is correct
14 Correct 26 ms 14412 KB Output is correct
15 Correct 28 ms 14616 KB Output is correct
16 Correct 31 ms 16708 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 13468 KB Output is correct
2 Correct 1 ms 1296 KB Output is correct
3 Correct 25 ms 12952 KB Output is correct
4 Correct 33 ms 14976 KB Output is correct
5 Correct 33 ms 14976 KB Output is correct
6 Correct 29 ms 13868 KB Output is correct
7 Correct 26 ms 13884 KB Output is correct
8 Correct 32 ms 14416 KB Output is correct
9 Correct 31 ms 14408 KB Output is correct
10 Correct 28 ms 14344 KB Output is correct
11 Correct 28 ms 14400 KB Output is correct
12 Correct 37 ms 14076 KB Output is correct
13 Correct 36 ms 14464 KB Output is correct
14 Correct 28 ms 14396 KB Output is correct
15 Correct 31 ms 14576 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 13468 KB Output is correct
2 Correct 1 ms 1296 KB Output is correct
3 Correct 25 ms 12952 KB Output is correct
4 Correct 33 ms 14976 KB Output is correct
5 Correct 33 ms 14976 KB Output is correct
6 Correct 29 ms 13868 KB Output is correct
7 Correct 26 ms 13884 KB Output is correct
8 Correct 32 ms 14416 KB Output is correct
9 Correct 31 ms 14408 KB Output is correct
10 Correct 28 ms 14344 KB Output is correct
11 Correct 28 ms 14400 KB Output is correct
12 Correct 37 ms 14076 KB Output is correct
13 Correct 36 ms 14464 KB Output is correct
14 Correct 28 ms 14396 KB Output is correct
15 Correct 31 ms 14576 KB Output is correct
16 Correct 24 ms 12112 KB Output is correct
17 Correct 23 ms 12092 KB Output is correct
18 Correct 24 ms 12188 KB Output is correct
19 Correct 27 ms 12092 KB Output is correct
20 Correct 26 ms 12876 KB Output is correct
21 Correct 29 ms 12804 KB Output is correct
22 Correct 37 ms 14620 KB Output is correct
23 Correct 25 ms 12368 KB Output is correct
24 Correct 25 ms 12352 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1560 KB Output is correct
2 Correct 1 ms 1304 KB Output is correct
3 Correct 1 ms 1560 KB Output is correct
4 Correct 2 ms 1568 KB Output is correct
5 Correct 2 ms 1568 KB Output is correct
6 Correct 2 ms 1564 KB Output is correct
7 Correct 1 ms 1552 KB Output is correct
8 Correct 1 ms 1552 KB Output is correct
9 Correct 2 ms 1560 KB Output is correct
10 Correct 2 ms 1624 KB Output is correct
11 Correct 1 ms 1564 KB Output is correct
12 Correct 1 ms 1560 KB Output is correct
13 Correct 1 ms 1568 KB Output is correct
14 Correct 2 ms 1564 KB Output is correct
15 Correct 2 ms 1572 KB Output is correct
16 Correct 1 ms 1568 KB Output is correct
17 Correct 2 ms 1564 KB Output is correct
18 Correct 2 ms 1568 KB Output is correct
19 Correct 1 ms 1568 KB Output is correct
20 Correct 2 ms 1568 KB Output is correct
21 Correct 2 ms 1568 KB Output is correct
22 Correct 2 ms 1568 KB Output is correct
23 Correct 2 ms 1560 KB Output is correct
24 Correct 2 ms 1572 KB Output is correct
25 Correct 1 ms 1560 KB Output is correct
26 Correct 2 ms 1568 KB Output is correct
27 Correct 1 ms 1560 KB Output is correct
28 Correct 2 ms 1568 KB Output is correct

Subtask #6
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 11688 KB Output is correct
2 Correct 27 ms 12668 KB Output is correct
3 Correct 1 ms 1304 KB Output is correct
4 Correct 24 ms 11376 KB Output is correct
5 Correct 34 ms 14200 KB Output is correct
6 Correct 35 ms 14244 KB Output is correct
7 Correct 26 ms 13368 KB Output is correct
8 Correct 26 ms 13176 KB Output is correct
9 Correct 31 ms 14204 KB Output is correct
10 Correct 31 ms 14348 KB Output is correct
11 Correct 30 ms 14200 KB Output is correct
12 Correct 31 ms 14204 KB Output is correct
13 Correct 31 ms 14204 KB Output is correct
14 Correct 36 ms 14320 KB Output is correct
15 Correct 31 ms 14404 KB Output is correct
16 Correct 30 ms 14384 KB Output is correct
17 Correct 30 ms 13836 KB Output is correct
18 Correct 30 ms 13944 KB Output is correct
19 Correct 35 ms 14184 KB Output is correct
20 Correct 31 ms 13724 KB Output is correct
21 Correct 28 ms 13904 KB Output is correct
22 Correct 27 ms 13940 KB Output is correct
23 Correct 27 ms 11488 KB Output is correct
24 Correct 25 ms 11344 KB Output is correct
25 Correct 24 ms 12164 KB Output is correct
26 Correct 25 ms 12144 KB Output is correct
27 Correct 30 ms 12916 KB Output is correct
28 Correct 28 ms 12704 KB Output is correct
29 Correct 27 ms 12848 KB Output is correct
30 Correct 28 ms 12920 KB Output is correct
31 Correct 27 ms 11640 KB Output is correct
32 Correct 28 ms 11404 KB Output is correct
33 Correct 25 ms 11968 KB Output is correct
34 Correct 27 ms 12128 KB Output is correct
35 Correct 27 ms 12812 KB Output is correct
36 Correct 27 ms 12756 KB Output is correct
37 Correct 27 ms 13016 KB Output is correct
38 Correct 27 ms 12764 KB Output is correct
39 Correct 27 ms 12912 KB Output is correct
40 Correct 27 ms 12732 KB Output is correct
41 Correct 28 ms 13692 KB Output is correct
42 Correct 28 ms 13692 KB Output is correct
43 Correct 32 ms 13380 KB Output is correct
44 Correct 30 ms 13692 KB Output is correct
45 Correct 36 ms 13672 KB Output is correct
46 Correct 28 ms 13700 KB Output is correct
47 Correct 27 ms 12736 KB Output is correct
48 Correct 26 ms 12516 KB Output is correct
49 Correct 26 ms 12396 KB Output is correct
50 Correct 35 ms 12664 KB Output is correct
51 Correct 26 ms 11896 KB Output is correct
52 Correct 24 ms 11600 KB Output is correct
53 Correct 25 ms 11872 KB Output is correct
54 Correct 25 ms 11864 KB Output is correct
55 Correct 24 ms 12152 KB Output is correct
56 Correct 25 ms 11696 KB Output is correct
57 Correct 25 ms 11828 KB Output is correct
58 Correct 26 ms 11892 KB Output is correct
59 Correct 25 ms 11716 KB Output is correct
60 Correct 24 ms 11640 KB Output is correct

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 11384 KB Output is correct
2 Correct 27 ms 12624 KB Output is correct
3 Correct 1 ms 1296 KB Output is correct
4 Correct 24 ms 11164 KB Output is correct
5 Correct 30 ms 14200 KB Output is correct
6 Correct 38 ms 14160 KB Output is correct
7 Correct 26 ms 13184 KB Output is correct
8 Correct 26 ms 13232 KB Output is correct
9 Correct 31 ms 14208 KB Output is correct
10 Correct 36 ms 14408 KB Output is correct
11 Correct 31 ms 14204 KB Output is correct
12 Correct 31 ms 14124 KB Output is correct
13 Correct 31 ms 14188 KB Output is correct
14 Correct 33 ms 14600 KB Output is correct
15 Incorrect 28 ms 14256 KB Wrong Answer [6]
16 Halted 0 ms 0 KB -